Commit | Line | Data |
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3c731eba AS |
1 | /* |
2 | * Testsuite for eBPF verifier | |
3 | * | |
4 | * Copyright (c) 2014 PLUMgrid, http://plumgrid.com | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of version 2 of the GNU General Public | |
8 | * License as published by the Free Software Foundation. | |
9 | */ | |
5aa5bd14 | 10 | |
2c460621 | 11 | #include <endian.h> |
1da8ac7c AS |
12 | #include <asm/types.h> |
13 | #include <linux/types.h> | |
702498a1 | 14 | #include <stdint.h> |
3c731eba | 15 | #include <stdio.h> |
702498a1 | 16 | #include <stdlib.h> |
3c731eba | 17 | #include <unistd.h> |
3c731eba | 18 | #include <errno.h> |
3c731eba | 19 | #include <string.h> |
614cd3bd | 20 | #include <stddef.h> |
bf508877 | 21 | #include <stdbool.h> |
5aa5bd14 DB |
22 | #include <sched.h> |
23 | ||
d02d8986 | 24 | #include <sys/capability.h> |
bf508877 | 25 | #include <sys/resource.h> |
3c731eba | 26 | |
5aa5bd14 DB |
27 | #include <linux/unistd.h> |
28 | #include <linux/filter.h> | |
29 | #include <linux/bpf_perf_event.h> | |
30 | #include <linux/bpf.h> | |
31 | ||
2ee89fb9 MS |
32 | #include <bpf/bpf.h> |
33 | ||
02ea80b1 DB |
34 | #ifdef HAVE_GENHDR |
35 | # include "autoconf.h" | |
36 | #else | |
37 | # if defined(__i386) || defined(__x86_64) || defined(__s390x__) || defined(__aarch64__) | |
38 | # define CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 1 | |
39 | # endif | |
40 | #endif | |
41 | ||
5aa5bd14 DB |
42 | #include "../../../include/linux/filter.h" |
43 | ||
5aa5bd14 DB |
44 | #ifndef ARRAY_SIZE |
45 | # define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) | |
46 | #endif | |
3c731eba | 47 | |
5aa5bd14 DB |
48 | #define MAX_INSNS 512 |
49 | #define MAX_FIXUPS 8 | |
fb30d4b7 | 50 | #define MAX_NR_MAPS 4 |
bf508877 | 51 | |
02ea80b1 | 52 | #define F_NEEDS_EFFICIENT_UNALIGNED_ACCESS (1 << 0) |
614d0d77 | 53 | #define F_LOAD_WITH_STRICT_ALIGNMENT (1 << 1) |
02ea80b1 | 54 | |
3c731eba AS |
55 | struct bpf_test { |
56 | const char *descr; | |
57 | struct bpf_insn insns[MAX_INSNS]; | |
5aa5bd14 DB |
58 | int fixup_map1[MAX_FIXUPS]; |
59 | int fixup_map2[MAX_FIXUPS]; | |
60 | int fixup_prog[MAX_FIXUPS]; | |
fb30d4b7 | 61 | int fixup_map_in_map[MAX_FIXUPS]; |
3c731eba | 62 | const char *errstr; |
bf508877 | 63 | const char *errstr_unpriv; |
3c731eba | 64 | enum { |
bf508877 | 65 | UNDEF, |
3c731eba AS |
66 | ACCEPT, |
67 | REJECT | |
bf508877 | 68 | } result, result_unpriv; |
d691f9e8 | 69 | enum bpf_prog_type prog_type; |
02ea80b1 | 70 | uint8_t flags; |
3c731eba AS |
71 | }; |
72 | ||
48461135 JB |
73 | /* Note we want this to be 64 bit aligned so that the end of our array is |
74 | * actually the end of the structure. | |
75 | */ | |
76 | #define MAX_ENTRIES 11 | |
5aa5bd14 | 77 | |
48461135 | 78 | struct test_val { |
5aa5bd14 | 79 | unsigned int index; |
48461135 JB |
80 | int foo[MAX_ENTRIES]; |
81 | }; | |
82 | ||
3c731eba AS |
83 | static struct bpf_test tests[] = { |
84 | { | |
85 | "add+sub+mul", | |
86 | .insns = { | |
87 | BPF_MOV64_IMM(BPF_REG_1, 1), | |
88 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 2), | |
89 | BPF_MOV64_IMM(BPF_REG_2, 3), | |
90 | BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_2), | |
91 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -1), | |
92 | BPF_ALU64_IMM(BPF_MUL, BPF_REG_1, 3), | |
93 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), | |
94 | BPF_EXIT_INSN(), | |
95 | }, | |
96 | .result = ACCEPT, | |
97 | }, | |
98 | { | |
99 | "unreachable", | |
100 | .insns = { | |
101 | BPF_EXIT_INSN(), | |
102 | BPF_EXIT_INSN(), | |
103 | }, | |
104 | .errstr = "unreachable", | |
105 | .result = REJECT, | |
106 | }, | |
107 | { | |
108 | "unreachable2", | |
109 | .insns = { | |
110 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
111 | BPF_JMP_IMM(BPF_JA, 0, 0, 0), | |
112 | BPF_EXIT_INSN(), | |
113 | }, | |
114 | .errstr = "unreachable", | |
115 | .result = REJECT, | |
116 | }, | |
117 | { | |
118 | "out of range jump", | |
119 | .insns = { | |
120 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
121 | BPF_EXIT_INSN(), | |
122 | }, | |
123 | .errstr = "jump out of range", | |
124 | .result = REJECT, | |
125 | }, | |
126 | { | |
127 | "out of range jump2", | |
128 | .insns = { | |
129 | BPF_JMP_IMM(BPF_JA, 0, 0, -2), | |
130 | BPF_EXIT_INSN(), | |
131 | }, | |
132 | .errstr = "jump out of range", | |
133 | .result = REJECT, | |
134 | }, | |
135 | { | |
136 | "test1 ld_imm64", | |
137 | .insns = { | |
138 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1), | |
139 | BPF_LD_IMM64(BPF_REG_0, 0), | |
140 | BPF_LD_IMM64(BPF_REG_0, 0), | |
141 | BPF_LD_IMM64(BPF_REG_0, 1), | |
142 | BPF_LD_IMM64(BPF_REG_0, 1), | |
143 | BPF_MOV64_IMM(BPF_REG_0, 2), | |
144 | BPF_EXIT_INSN(), | |
145 | }, | |
146 | .errstr = "invalid BPF_LD_IMM insn", | |
bf508877 | 147 | .errstr_unpriv = "R1 pointer comparison", |
3c731eba AS |
148 | .result = REJECT, |
149 | }, | |
150 | { | |
151 | "test2 ld_imm64", | |
152 | .insns = { | |
153 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1), | |
154 | BPF_LD_IMM64(BPF_REG_0, 0), | |
155 | BPF_LD_IMM64(BPF_REG_0, 0), | |
156 | BPF_LD_IMM64(BPF_REG_0, 1), | |
157 | BPF_LD_IMM64(BPF_REG_0, 1), | |
158 | BPF_EXIT_INSN(), | |
159 | }, | |
160 | .errstr = "invalid BPF_LD_IMM insn", | |
bf508877 | 161 | .errstr_unpriv = "R1 pointer comparison", |
3c731eba AS |
162 | .result = REJECT, |
163 | }, | |
164 | { | |
165 | "test3 ld_imm64", | |
166 | .insns = { | |
167 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1), | |
168 | BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0), | |
169 | BPF_LD_IMM64(BPF_REG_0, 0), | |
170 | BPF_LD_IMM64(BPF_REG_0, 0), | |
171 | BPF_LD_IMM64(BPF_REG_0, 1), | |
172 | BPF_LD_IMM64(BPF_REG_0, 1), | |
173 | BPF_EXIT_INSN(), | |
174 | }, | |
175 | .errstr = "invalid bpf_ld_imm64 insn", | |
176 | .result = REJECT, | |
177 | }, | |
178 | { | |
179 | "test4 ld_imm64", | |
180 | .insns = { | |
181 | BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0), | |
182 | BPF_EXIT_INSN(), | |
183 | }, | |
184 | .errstr = "invalid bpf_ld_imm64 insn", | |
185 | .result = REJECT, | |
186 | }, | |
187 | { | |
188 | "test5 ld_imm64", | |
189 | .insns = { | |
190 | BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0), | |
191 | }, | |
192 | .errstr = "invalid bpf_ld_imm64 insn", | |
193 | .result = REJECT, | |
194 | }, | |
728a853a DB |
195 | { |
196 | "test6 ld_imm64", | |
197 | .insns = { | |
198 | BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0), | |
199 | BPF_RAW_INSN(0, 0, 0, 0, 0), | |
200 | BPF_EXIT_INSN(), | |
201 | }, | |
202 | .result = ACCEPT, | |
203 | }, | |
204 | { | |
205 | "test7 ld_imm64", | |
206 | .insns = { | |
207 | BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1), | |
208 | BPF_RAW_INSN(0, 0, 0, 0, 1), | |
209 | BPF_EXIT_INSN(), | |
210 | }, | |
211 | .result = ACCEPT, | |
212 | }, | |
213 | { | |
214 | "test8 ld_imm64", | |
215 | .insns = { | |
216 | BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 1, 1), | |
217 | BPF_RAW_INSN(0, 0, 0, 0, 1), | |
218 | BPF_EXIT_INSN(), | |
219 | }, | |
220 | .errstr = "uses reserved fields", | |
221 | .result = REJECT, | |
222 | }, | |
223 | { | |
224 | "test9 ld_imm64", | |
225 | .insns = { | |
226 | BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1), | |
227 | BPF_RAW_INSN(0, 0, 0, 1, 1), | |
228 | BPF_EXIT_INSN(), | |
229 | }, | |
230 | .errstr = "invalid bpf_ld_imm64 insn", | |
231 | .result = REJECT, | |
232 | }, | |
233 | { | |
234 | "test10 ld_imm64", | |
235 | .insns = { | |
236 | BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1), | |
237 | BPF_RAW_INSN(0, BPF_REG_1, 0, 0, 1), | |
238 | BPF_EXIT_INSN(), | |
239 | }, | |
240 | .errstr = "invalid bpf_ld_imm64 insn", | |
241 | .result = REJECT, | |
242 | }, | |
243 | { | |
244 | "test11 ld_imm64", | |
245 | .insns = { | |
246 | BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1), | |
247 | BPF_RAW_INSN(0, 0, BPF_REG_1, 0, 1), | |
248 | BPF_EXIT_INSN(), | |
249 | }, | |
250 | .errstr = "invalid bpf_ld_imm64 insn", | |
251 | .result = REJECT, | |
252 | }, | |
253 | { | |
254 | "test12 ld_imm64", | |
255 | .insns = { | |
256 | BPF_MOV64_IMM(BPF_REG_1, 0), | |
257 | BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, BPF_REG_1, 0, 1), | |
258 | BPF_RAW_INSN(0, 0, 0, 0, 1), | |
259 | BPF_EXIT_INSN(), | |
260 | }, | |
261 | .errstr = "not pointing to valid bpf_map", | |
262 | .result = REJECT, | |
263 | }, | |
264 | { | |
265 | "test13 ld_imm64", | |
266 | .insns = { | |
267 | BPF_MOV64_IMM(BPF_REG_1, 0), | |
268 | BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, BPF_REG_1, 0, 1), | |
269 | BPF_RAW_INSN(0, 0, BPF_REG_1, 0, 1), | |
270 | BPF_EXIT_INSN(), | |
271 | }, | |
272 | .errstr = "invalid bpf_ld_imm64 insn", | |
273 | .result = REJECT, | |
274 | }, | |
3c731eba AS |
275 | { |
276 | "no bpf_exit", | |
277 | .insns = { | |
278 | BPF_ALU64_REG(BPF_MOV, BPF_REG_0, BPF_REG_2), | |
279 | }, | |
280 | .errstr = "jump out of range", | |
281 | .result = REJECT, | |
282 | }, | |
283 | { | |
284 | "loop (back-edge)", | |
285 | .insns = { | |
286 | BPF_JMP_IMM(BPF_JA, 0, 0, -1), | |
287 | BPF_EXIT_INSN(), | |
288 | }, | |
289 | .errstr = "back-edge", | |
290 | .result = REJECT, | |
291 | }, | |
292 | { | |
293 | "loop2 (back-edge)", | |
294 | .insns = { | |
295 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
296 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_0), | |
297 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_0), | |
298 | BPF_JMP_IMM(BPF_JA, 0, 0, -4), | |
299 | BPF_EXIT_INSN(), | |
300 | }, | |
301 | .errstr = "back-edge", | |
302 | .result = REJECT, | |
303 | }, | |
304 | { | |
305 | "conditional loop", | |
306 | .insns = { | |
307 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
308 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_0), | |
309 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_0), | |
310 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, -3), | |
311 | BPF_EXIT_INSN(), | |
312 | }, | |
313 | .errstr = "back-edge", | |
314 | .result = REJECT, | |
315 | }, | |
316 | { | |
317 | "read uninitialized register", | |
318 | .insns = { | |
319 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
320 | BPF_EXIT_INSN(), | |
321 | }, | |
322 | .errstr = "R2 !read_ok", | |
323 | .result = REJECT, | |
324 | }, | |
325 | { | |
326 | "read invalid register", | |
327 | .insns = { | |
328 | BPF_MOV64_REG(BPF_REG_0, -1), | |
329 | BPF_EXIT_INSN(), | |
330 | }, | |
331 | .errstr = "R15 is invalid", | |
332 | .result = REJECT, | |
333 | }, | |
334 | { | |
335 | "program doesn't init R0 before exit", | |
336 | .insns = { | |
337 | BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_1), | |
338 | BPF_EXIT_INSN(), | |
339 | }, | |
340 | .errstr = "R0 !read_ok", | |
341 | .result = REJECT, | |
342 | }, | |
32bf08a6 AS |
343 | { |
344 | "program doesn't init R0 before exit in all branches", | |
345 | .insns = { | |
346 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2), | |
347 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
348 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 2), | |
349 | BPF_EXIT_INSN(), | |
350 | }, | |
351 | .errstr = "R0 !read_ok", | |
bf508877 | 352 | .errstr_unpriv = "R1 pointer comparison", |
32bf08a6 AS |
353 | .result = REJECT, |
354 | }, | |
3c731eba AS |
355 | { |
356 | "stack out of bounds", | |
357 | .insns = { | |
358 | BPF_ST_MEM(BPF_DW, BPF_REG_10, 8, 0), | |
359 | BPF_EXIT_INSN(), | |
360 | }, | |
361 | .errstr = "invalid stack", | |
362 | .result = REJECT, | |
363 | }, | |
364 | { | |
365 | "invalid call insn1", | |
366 | .insns = { | |
367 | BPF_RAW_INSN(BPF_JMP | BPF_CALL | BPF_X, 0, 0, 0, 0), | |
368 | BPF_EXIT_INSN(), | |
369 | }, | |
370 | .errstr = "BPF_CALL uses reserved", | |
371 | .result = REJECT, | |
372 | }, | |
373 | { | |
374 | "invalid call insn2", | |
375 | .insns = { | |
376 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 1, 0), | |
377 | BPF_EXIT_INSN(), | |
378 | }, | |
379 | .errstr = "BPF_CALL uses reserved", | |
380 | .result = REJECT, | |
381 | }, | |
382 | { | |
383 | "invalid function call", | |
384 | .insns = { | |
385 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, 1234567), | |
386 | BPF_EXIT_INSN(), | |
387 | }, | |
e00c7b21 | 388 | .errstr = "invalid func unknown#1234567", |
3c731eba AS |
389 | .result = REJECT, |
390 | }, | |
391 | { | |
392 | "uninitialized stack1", | |
393 | .insns = { | |
394 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
395 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
396 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
397 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
398 | BPF_FUNC_map_lookup_elem), | |
3c731eba AS |
399 | BPF_EXIT_INSN(), |
400 | }, | |
5aa5bd14 | 401 | .fixup_map1 = { 2 }, |
3c731eba AS |
402 | .errstr = "invalid indirect read from stack", |
403 | .result = REJECT, | |
404 | }, | |
405 | { | |
406 | "uninitialized stack2", | |
407 | .insns = { | |
408 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
409 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, -8), | |
410 | BPF_EXIT_INSN(), | |
411 | }, | |
412 | .errstr = "invalid read from stack", | |
413 | .result = REJECT, | |
414 | }, | |
728a853a DB |
415 | { |
416 | "invalid fp arithmetic", | |
417 | /* If this gets ever changed, make sure JITs can deal with it. */ | |
418 | .insns = { | |
419 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
420 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
421 | BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 8), | |
422 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0), | |
423 | BPF_EXIT_INSN(), | |
424 | }, | |
f65b1849 | 425 | .errstr_unpriv = "R1 subtraction from stack pointer", |
728a853a DB |
426 | .result_unpriv = REJECT, |
427 | .errstr = "R1 invalid mem access", | |
428 | .result = REJECT, | |
429 | }, | |
430 | { | |
431 | "non-invalid fp arithmetic", | |
432 | .insns = { | |
433 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
434 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8), | |
435 | BPF_EXIT_INSN(), | |
436 | }, | |
437 | .result = ACCEPT, | |
438 | }, | |
7d95b0ab DB |
439 | { |
440 | "invalid argument register", | |
441 | .insns = { | |
5aa5bd14 DB |
442 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
443 | BPF_FUNC_get_cgroup_classid), | |
444 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
445 | BPF_FUNC_get_cgroup_classid), | |
7d95b0ab DB |
446 | BPF_EXIT_INSN(), |
447 | }, | |
448 | .errstr = "R1 !read_ok", | |
449 | .result = REJECT, | |
450 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
451 | }, | |
452 | { | |
453 | "non-invalid argument register", | |
454 | .insns = { | |
455 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1), | |
5aa5bd14 DB |
456 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
457 | BPF_FUNC_get_cgroup_classid), | |
7d95b0ab | 458 | BPF_ALU64_REG(BPF_MOV, BPF_REG_1, BPF_REG_6), |
5aa5bd14 DB |
459 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
460 | BPF_FUNC_get_cgroup_classid), | |
7d95b0ab DB |
461 | BPF_EXIT_INSN(), |
462 | }, | |
463 | .result = ACCEPT, | |
464 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
465 | }, | |
3c731eba AS |
466 | { |
467 | "check valid spill/fill", | |
468 | .insns = { | |
469 | /* spill R1(ctx) into stack */ | |
470 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8), | |
3c731eba AS |
471 | /* fill it back into R2 */ |
472 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -8), | |
3c731eba | 473 | /* should be able to access R0 = *(R2 + 8) */ |
f91fe17e DB |
474 | /* BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, 8), */ |
475 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
3c731eba AS |
476 | BPF_EXIT_INSN(), |
477 | }, | |
bf508877 | 478 | .errstr_unpriv = "R0 leaks addr", |
3c731eba | 479 | .result = ACCEPT, |
bf508877 | 480 | .result_unpriv = REJECT, |
3c731eba | 481 | }, |
3f2050e2 DB |
482 | { |
483 | "check valid spill/fill, skb mark", | |
484 | .insns = { | |
485 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1), | |
486 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -8), | |
487 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8), | |
488 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, | |
489 | offsetof(struct __sk_buff, mark)), | |
490 | BPF_EXIT_INSN(), | |
491 | }, | |
492 | .result = ACCEPT, | |
493 | .result_unpriv = ACCEPT, | |
494 | }, | |
3c731eba AS |
495 | { |
496 | "check corrupted spill/fill", | |
497 | .insns = { | |
498 | /* spill R1(ctx) into stack */ | |
499 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8), | |
3c731eba AS |
500 | /* mess up with R1 pointer on stack */ |
501 | BPF_ST_MEM(BPF_B, BPF_REG_10, -7, 0x23), | |
3c731eba AS |
502 | /* fill back into R0 should fail */ |
503 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8), | |
3c731eba AS |
504 | BPF_EXIT_INSN(), |
505 | }, | |
bf508877 | 506 | .errstr_unpriv = "attempt to corrupt spilled", |
3c731eba AS |
507 | .errstr = "corrupted spill", |
508 | .result = REJECT, | |
509 | }, | |
510 | { | |
511 | "invalid src register in STX", | |
512 | .insns = { | |
513 | BPF_STX_MEM(BPF_B, BPF_REG_10, -1, -1), | |
514 | BPF_EXIT_INSN(), | |
515 | }, | |
516 | .errstr = "R15 is invalid", | |
517 | .result = REJECT, | |
518 | }, | |
519 | { | |
520 | "invalid dst register in STX", | |
521 | .insns = { | |
522 | BPF_STX_MEM(BPF_B, 14, BPF_REG_10, -1), | |
523 | BPF_EXIT_INSN(), | |
524 | }, | |
525 | .errstr = "R14 is invalid", | |
526 | .result = REJECT, | |
527 | }, | |
528 | { | |
529 | "invalid dst register in ST", | |
530 | .insns = { | |
531 | BPF_ST_MEM(BPF_B, 14, -1, -1), | |
532 | BPF_EXIT_INSN(), | |
533 | }, | |
534 | .errstr = "R14 is invalid", | |
535 | .result = REJECT, | |
536 | }, | |
537 | { | |
538 | "invalid src register in LDX", | |
539 | .insns = { | |
540 | BPF_LDX_MEM(BPF_B, BPF_REG_0, 12, 0), | |
541 | BPF_EXIT_INSN(), | |
542 | }, | |
543 | .errstr = "R12 is invalid", | |
544 | .result = REJECT, | |
545 | }, | |
546 | { | |
547 | "invalid dst register in LDX", | |
548 | .insns = { | |
549 | BPF_LDX_MEM(BPF_B, 11, BPF_REG_1, 0), | |
550 | BPF_EXIT_INSN(), | |
551 | }, | |
552 | .errstr = "R11 is invalid", | |
553 | .result = REJECT, | |
554 | }, | |
555 | { | |
556 | "junk insn", | |
557 | .insns = { | |
558 | BPF_RAW_INSN(0, 0, 0, 0, 0), | |
559 | BPF_EXIT_INSN(), | |
560 | }, | |
561 | .errstr = "invalid BPF_LD_IMM", | |
562 | .result = REJECT, | |
563 | }, | |
564 | { | |
565 | "junk insn2", | |
566 | .insns = { | |
567 | BPF_RAW_INSN(1, 0, 0, 0, 0), | |
568 | BPF_EXIT_INSN(), | |
569 | }, | |
570 | .errstr = "BPF_LDX uses reserved fields", | |
571 | .result = REJECT, | |
572 | }, | |
573 | { | |
574 | "junk insn3", | |
575 | .insns = { | |
576 | BPF_RAW_INSN(-1, 0, 0, 0, 0), | |
577 | BPF_EXIT_INSN(), | |
578 | }, | |
579 | .errstr = "invalid BPF_ALU opcode f0", | |
580 | .result = REJECT, | |
581 | }, | |
582 | { | |
583 | "junk insn4", | |
584 | .insns = { | |
585 | BPF_RAW_INSN(-1, -1, -1, -1, -1), | |
586 | BPF_EXIT_INSN(), | |
587 | }, | |
588 | .errstr = "invalid BPF_ALU opcode f0", | |
589 | .result = REJECT, | |
590 | }, | |
591 | { | |
592 | "junk insn5", | |
593 | .insns = { | |
594 | BPF_RAW_INSN(0x7f, -1, -1, -1, -1), | |
595 | BPF_EXIT_INSN(), | |
596 | }, | |
597 | .errstr = "BPF_ALU uses reserved fields", | |
598 | .result = REJECT, | |
599 | }, | |
600 | { | |
601 | "misaligned read from stack", | |
602 | .insns = { | |
603 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
604 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, -4), | |
605 | BPF_EXIT_INSN(), | |
606 | }, | |
f65b1849 | 607 | .errstr = "misaligned stack access", |
3c731eba | 608 | .result = REJECT, |
f65b1849 | 609 | .flags = F_LOAD_WITH_STRICT_ALIGNMENT, |
3c731eba AS |
610 | }, |
611 | { | |
612 | "invalid map_fd for function call", | |
613 | .insns = { | |
614 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
615 | BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_10), | |
616 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
617 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
618 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
619 | BPF_FUNC_map_delete_elem), | |
3c731eba AS |
620 | BPF_EXIT_INSN(), |
621 | }, | |
622 | .errstr = "fd 0 is not pointing to valid bpf_map", | |
623 | .result = REJECT, | |
624 | }, | |
625 | { | |
626 | "don't check return value before access", | |
627 | .insns = { | |
628 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
629 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
630 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
631 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
632 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
633 | BPF_FUNC_map_lookup_elem), | |
3c731eba AS |
634 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0), |
635 | BPF_EXIT_INSN(), | |
636 | }, | |
5aa5bd14 | 637 | .fixup_map1 = { 3 }, |
3c731eba AS |
638 | .errstr = "R0 invalid mem access 'map_value_or_null'", |
639 | .result = REJECT, | |
640 | }, | |
641 | { | |
642 | "access memory with incorrect alignment", | |
643 | .insns = { | |
644 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
645 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
646 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
647 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
648 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
649 | BPF_FUNC_map_lookup_elem), | |
3c731eba AS |
650 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1), |
651 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 4, 0), | |
652 | BPF_EXIT_INSN(), | |
653 | }, | |
5aa5bd14 | 654 | .fixup_map1 = { 3 }, |
f65b1849 | 655 | .errstr = "misaligned value access", |
3c731eba | 656 | .result = REJECT, |
f65b1849 | 657 | .flags = F_LOAD_WITH_STRICT_ALIGNMENT, |
3c731eba AS |
658 | }, |
659 | { | |
660 | "sometimes access memory with incorrect alignment", | |
661 | .insns = { | |
662 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
663 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
664 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
665 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
666 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
667 | BPF_FUNC_map_lookup_elem), | |
3c731eba AS |
668 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), |
669 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0), | |
670 | BPF_EXIT_INSN(), | |
671 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 1), | |
672 | BPF_EXIT_INSN(), | |
673 | }, | |
5aa5bd14 | 674 | .fixup_map1 = { 3 }, |
3c731eba | 675 | .errstr = "R0 invalid mem access", |
bf508877 | 676 | .errstr_unpriv = "R0 leaks addr", |
3c731eba | 677 | .result = REJECT, |
f65b1849 | 678 | .flags = F_LOAD_WITH_STRICT_ALIGNMENT, |
3c731eba | 679 | }, |
fd10c2ef AS |
680 | { |
681 | "jump test 1", | |
682 | .insns = { | |
683 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
684 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -8), | |
685 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1), | |
686 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 0), | |
687 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 1), | |
688 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 1), | |
689 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 2, 1), | |
690 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 2), | |
691 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 1), | |
692 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 3), | |
693 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 1), | |
694 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 4), | |
695 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 5, 1), | |
696 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -32, 5), | |
697 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
698 | BPF_EXIT_INSN(), | |
699 | }, | |
bf508877 AS |
700 | .errstr_unpriv = "R1 pointer comparison", |
701 | .result_unpriv = REJECT, | |
fd10c2ef AS |
702 | .result = ACCEPT, |
703 | }, | |
704 | { | |
705 | "jump test 2", | |
706 | .insns = { | |
707 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
708 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 2), | |
709 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 0), | |
710 | BPF_JMP_IMM(BPF_JA, 0, 0, 14), | |
711 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 2), | |
712 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 0), | |
713 | BPF_JMP_IMM(BPF_JA, 0, 0, 11), | |
714 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 2, 2), | |
715 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -32, 0), | |
716 | BPF_JMP_IMM(BPF_JA, 0, 0, 8), | |
717 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 2), | |
718 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -40, 0), | |
719 | BPF_JMP_IMM(BPF_JA, 0, 0, 5), | |
720 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 2), | |
721 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -48, 0), | |
722 | BPF_JMP_IMM(BPF_JA, 0, 0, 2), | |
723 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 5, 1), | |
724 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -56, 0), | |
725 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
726 | BPF_EXIT_INSN(), | |
727 | }, | |
bf508877 AS |
728 | .errstr_unpriv = "R1 pointer comparison", |
729 | .result_unpriv = REJECT, | |
fd10c2ef AS |
730 | .result = ACCEPT, |
731 | }, | |
732 | { | |
733 | "jump test 3", | |
734 | .insns = { | |
735 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
736 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3), | |
737 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 0), | |
738 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
739 | BPF_JMP_IMM(BPF_JA, 0, 0, 19), | |
740 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 3), | |
741 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 0), | |
742 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16), | |
743 | BPF_JMP_IMM(BPF_JA, 0, 0, 15), | |
744 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 2, 3), | |
745 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -32, 0), | |
746 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -32), | |
747 | BPF_JMP_IMM(BPF_JA, 0, 0, 11), | |
748 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 3), | |
749 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -40, 0), | |
750 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -40), | |
751 | BPF_JMP_IMM(BPF_JA, 0, 0, 7), | |
752 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 3), | |
753 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -48, 0), | |
754 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -48), | |
755 | BPF_JMP_IMM(BPF_JA, 0, 0, 3), | |
756 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 5, 0), | |
757 | BPF_ST_MEM(BPF_DW, BPF_REG_2, -56, 0), | |
758 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -56), | |
759 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
760 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
761 | BPF_FUNC_map_delete_elem), | |
fd10c2ef AS |
762 | BPF_EXIT_INSN(), |
763 | }, | |
5aa5bd14 | 764 | .fixup_map1 = { 24 }, |
bf508877 AS |
765 | .errstr_unpriv = "R1 pointer comparison", |
766 | .result_unpriv = REJECT, | |
fd10c2ef AS |
767 | .result = ACCEPT, |
768 | }, | |
769 | { | |
770 | "jump test 4", | |
771 | .insns = { | |
772 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
773 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
774 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
775 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
776 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
777 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
778 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
779 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
780 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
781 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
782 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
783 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
784 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
785 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
786 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
787 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
788 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
789 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
790 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
791 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
792 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
793 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
794 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
795 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
796 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
797 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
798 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
799 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
800 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
801 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
802 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
803 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
804 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1), | |
805 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2), | |
806 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3), | |
807 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4), | |
808 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0), | |
809 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0), | |
810 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0), | |
811 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0), | |
812 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
813 | BPF_EXIT_INSN(), | |
814 | }, | |
bf508877 AS |
815 | .errstr_unpriv = "R1 pointer comparison", |
816 | .result_unpriv = REJECT, | |
fd10c2ef AS |
817 | .result = ACCEPT, |
818 | }, | |
342ded40 AS |
819 | { |
820 | "jump test 5", | |
821 | .insns = { | |
822 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
823 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_2), | |
824 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2), | |
825 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8), | |
826 | BPF_JMP_IMM(BPF_JA, 0, 0, 2), | |
827 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8), | |
828 | BPF_JMP_IMM(BPF_JA, 0, 0, 0), | |
829 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
830 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2), | |
831 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8), | |
832 | BPF_JMP_IMM(BPF_JA, 0, 0, 2), | |
833 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8), | |
834 | BPF_JMP_IMM(BPF_JA, 0, 0, 0), | |
835 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
836 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2), | |
837 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8), | |
838 | BPF_JMP_IMM(BPF_JA, 0, 0, 2), | |
839 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8), | |
840 | BPF_JMP_IMM(BPF_JA, 0, 0, 0), | |
841 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
842 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2), | |
843 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8), | |
844 | BPF_JMP_IMM(BPF_JA, 0, 0, 2), | |
845 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8), | |
846 | BPF_JMP_IMM(BPF_JA, 0, 0, 0), | |
847 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
848 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2), | |
849 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8), | |
850 | BPF_JMP_IMM(BPF_JA, 0, 0, 2), | |
851 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8), | |
852 | BPF_JMP_IMM(BPF_JA, 0, 0, 0), | |
853 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
854 | BPF_EXIT_INSN(), | |
855 | }, | |
bf508877 AS |
856 | .errstr_unpriv = "R1 pointer comparison", |
857 | .result_unpriv = REJECT, | |
342ded40 AS |
858 | .result = ACCEPT, |
859 | }, | |
614cd3bd AS |
860 | { |
861 | "access skb fields ok", | |
862 | .insns = { | |
863 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
864 | offsetof(struct __sk_buff, len)), | |
865 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1), | |
866 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
867 | offsetof(struct __sk_buff, mark)), | |
868 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1), | |
869 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
870 | offsetof(struct __sk_buff, pkt_type)), | |
871 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1), | |
872 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
873 | offsetof(struct __sk_buff, queue_mapping)), | |
874 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0), | |
c2497395 AS |
875 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
876 | offsetof(struct __sk_buff, protocol)), | |
877 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0), | |
878 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
879 | offsetof(struct __sk_buff, vlan_present)), | |
880 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0), | |
881 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
882 | offsetof(struct __sk_buff, vlan_tci)), | |
883 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0), | |
b1d9fc41 DB |
884 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
885 | offsetof(struct __sk_buff, napi_id)), | |
886 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0), | |
614cd3bd AS |
887 | BPF_EXIT_INSN(), |
888 | }, | |
889 | .result = ACCEPT, | |
890 | }, | |
891 | { | |
892 | "access skb fields bad1", | |
893 | .insns = { | |
894 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -4), | |
895 | BPF_EXIT_INSN(), | |
896 | }, | |
897 | .errstr = "invalid bpf_context access", | |
898 | .result = REJECT, | |
899 | }, | |
900 | { | |
901 | "access skb fields bad2", | |
902 | .insns = { | |
903 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 9), | |
904 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
905 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
906 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
907 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
908 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
909 | BPF_FUNC_map_lookup_elem), | |
614cd3bd AS |
910 | BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), |
911 | BPF_EXIT_INSN(), | |
912 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
913 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
914 | offsetof(struct __sk_buff, pkt_type)), | |
915 | BPF_EXIT_INSN(), | |
916 | }, | |
5aa5bd14 | 917 | .fixup_map1 = { 4 }, |
614cd3bd | 918 | .errstr = "different pointers", |
bf508877 | 919 | .errstr_unpriv = "R1 pointer comparison", |
614cd3bd AS |
920 | .result = REJECT, |
921 | }, | |
922 | { | |
923 | "access skb fields bad3", | |
924 | .insns = { | |
925 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2), | |
926 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
927 | offsetof(struct __sk_buff, pkt_type)), | |
928 | BPF_EXIT_INSN(), | |
929 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
930 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
931 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
932 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
933 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
934 | BPF_FUNC_map_lookup_elem), | |
614cd3bd AS |
935 | BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), |
936 | BPF_EXIT_INSN(), | |
937 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
938 | BPF_JMP_IMM(BPF_JA, 0, 0, -12), | |
939 | }, | |
5aa5bd14 | 940 | .fixup_map1 = { 6 }, |
614cd3bd | 941 | .errstr = "different pointers", |
bf508877 | 942 | .errstr_unpriv = "R1 pointer comparison", |
614cd3bd AS |
943 | .result = REJECT, |
944 | }, | |
725f9dcd AS |
945 | { |
946 | "access skb fields bad4", | |
947 | .insns = { | |
948 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 3), | |
949 | BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, | |
950 | offsetof(struct __sk_buff, len)), | |
951 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
952 | BPF_EXIT_INSN(), | |
953 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
954 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
955 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
956 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
957 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
958 | BPF_FUNC_map_lookup_elem), | |
725f9dcd AS |
959 | BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), |
960 | BPF_EXIT_INSN(), | |
961 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
962 | BPF_JMP_IMM(BPF_JA, 0, 0, -13), | |
963 | }, | |
5aa5bd14 | 964 | .fixup_map1 = { 7 }, |
725f9dcd | 965 | .errstr = "different pointers", |
bf508877 | 966 | .errstr_unpriv = "R1 pointer comparison", |
725f9dcd AS |
967 | .result = REJECT, |
968 | }, | |
41bc94f5 JF |
969 | { |
970 | "invalid access __sk_buff family", | |
971 | .insns = { | |
972 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
973 | offsetof(struct __sk_buff, family)), | |
974 | BPF_EXIT_INSN(), | |
975 | }, | |
976 | .errstr = "invalid bpf_context access", | |
977 | .result = REJECT, | |
978 | }, | |
979 | { | |
980 | "invalid access __sk_buff remote_ip4", | |
981 | .insns = { | |
982 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
983 | offsetof(struct __sk_buff, remote_ip4)), | |
984 | BPF_EXIT_INSN(), | |
985 | }, | |
986 | .errstr = "invalid bpf_context access", | |
987 | .result = REJECT, | |
988 | }, | |
989 | { | |
990 | "invalid access __sk_buff local_ip4", | |
991 | .insns = { | |
992 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
993 | offsetof(struct __sk_buff, local_ip4)), | |
994 | BPF_EXIT_INSN(), | |
995 | }, | |
996 | .errstr = "invalid bpf_context access", | |
997 | .result = REJECT, | |
998 | }, | |
999 | { | |
1000 | "invalid access __sk_buff remote_ip6", | |
1001 | .insns = { | |
1002 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1003 | offsetof(struct __sk_buff, remote_ip6)), | |
1004 | BPF_EXIT_INSN(), | |
1005 | }, | |
1006 | .errstr = "invalid bpf_context access", | |
1007 | .result = REJECT, | |
1008 | }, | |
1009 | { | |
1010 | "invalid access __sk_buff local_ip6", | |
1011 | .insns = { | |
1012 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1013 | offsetof(struct __sk_buff, local_ip6)), | |
1014 | BPF_EXIT_INSN(), | |
1015 | }, | |
1016 | .errstr = "invalid bpf_context access", | |
1017 | .result = REJECT, | |
1018 | }, | |
1019 | { | |
1020 | "invalid access __sk_buff remote_port", | |
1021 | .insns = { | |
1022 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1023 | offsetof(struct __sk_buff, remote_port)), | |
1024 | BPF_EXIT_INSN(), | |
1025 | }, | |
1026 | .errstr = "invalid bpf_context access", | |
1027 | .result = REJECT, | |
1028 | }, | |
1029 | { | |
1030 | "invalid access __sk_buff remote_port", | |
1031 | .insns = { | |
1032 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1033 | offsetof(struct __sk_buff, local_port)), | |
1034 | BPF_EXIT_INSN(), | |
1035 | }, | |
1036 | .errstr = "invalid bpf_context access", | |
1037 | .result = REJECT, | |
1038 | }, | |
1039 | { | |
1040 | "valid access __sk_buff family", | |
1041 | .insns = { | |
1042 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1043 | offsetof(struct __sk_buff, family)), | |
1044 | BPF_EXIT_INSN(), | |
1045 | }, | |
1046 | .result = ACCEPT, | |
1047 | .prog_type = BPF_PROG_TYPE_SK_SKB, | |
1048 | }, | |
1049 | { | |
1050 | "valid access __sk_buff remote_ip4", | |
1051 | .insns = { | |
1052 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1053 | offsetof(struct __sk_buff, remote_ip4)), | |
1054 | BPF_EXIT_INSN(), | |
1055 | }, | |
1056 | .result = ACCEPT, | |
1057 | .prog_type = BPF_PROG_TYPE_SK_SKB, | |
1058 | }, | |
1059 | { | |
1060 | "valid access __sk_buff local_ip4", | |
1061 | .insns = { | |
1062 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1063 | offsetof(struct __sk_buff, local_ip4)), | |
1064 | BPF_EXIT_INSN(), | |
1065 | }, | |
1066 | .result = ACCEPT, | |
1067 | .prog_type = BPF_PROG_TYPE_SK_SKB, | |
1068 | }, | |
1069 | { | |
1070 | "valid access __sk_buff remote_ip6", | |
1071 | .insns = { | |
1072 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1073 | offsetof(struct __sk_buff, remote_ip6[0])), | |
1074 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1075 | offsetof(struct __sk_buff, remote_ip6[1])), | |
1076 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1077 | offsetof(struct __sk_buff, remote_ip6[2])), | |
1078 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1079 | offsetof(struct __sk_buff, remote_ip6[3])), | |
1080 | BPF_EXIT_INSN(), | |
1081 | }, | |
1082 | .result = ACCEPT, | |
1083 | .prog_type = BPF_PROG_TYPE_SK_SKB, | |
1084 | }, | |
1085 | { | |
1086 | "valid access __sk_buff local_ip6", | |
1087 | .insns = { | |
1088 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1089 | offsetof(struct __sk_buff, local_ip6[0])), | |
1090 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1091 | offsetof(struct __sk_buff, local_ip6[1])), | |
1092 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1093 | offsetof(struct __sk_buff, local_ip6[2])), | |
1094 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1095 | offsetof(struct __sk_buff, local_ip6[3])), | |
1096 | BPF_EXIT_INSN(), | |
1097 | }, | |
1098 | .result = ACCEPT, | |
1099 | .prog_type = BPF_PROG_TYPE_SK_SKB, | |
1100 | }, | |
1101 | { | |
1102 | "valid access __sk_buff remote_port", | |
1103 | .insns = { | |
1104 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1105 | offsetof(struct __sk_buff, remote_port)), | |
1106 | BPF_EXIT_INSN(), | |
1107 | }, | |
1108 | .result = ACCEPT, | |
1109 | .prog_type = BPF_PROG_TYPE_SK_SKB, | |
1110 | }, | |
1111 | { | |
1112 | "valid access __sk_buff remote_port", | |
1113 | .insns = { | |
1114 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1115 | offsetof(struct __sk_buff, local_port)), | |
1116 | BPF_EXIT_INSN(), | |
1117 | }, | |
1118 | .result = ACCEPT, | |
1119 | .prog_type = BPF_PROG_TYPE_SK_SKB, | |
1120 | }, | |
ed85054d JF |
1121 | { |
1122 | "invalid access of tc_classid for SK_SKB", | |
1123 | .insns = { | |
1124 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1125 | offsetof(struct __sk_buff, tc_classid)), | |
1126 | BPF_EXIT_INSN(), | |
1127 | }, | |
1128 | .result = REJECT, | |
1129 | .prog_type = BPF_PROG_TYPE_SK_SKB, | |
1130 | .errstr = "invalid bpf_context access", | |
1131 | }, | |
1132 | { | |
f7e9cb1e JF |
1133 | "invalid access of skb->mark for SK_SKB", |
1134 | .insns = { | |
1135 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1136 | offsetof(struct __sk_buff, mark)), | |
1137 | BPF_EXIT_INSN(), | |
1138 | }, | |
1139 | .result = REJECT, | |
1140 | .prog_type = BPF_PROG_TYPE_SK_SKB, | |
1141 | .errstr = "invalid bpf_context access", | |
1142 | }, | |
1143 | { | |
1144 | "check skb->mark is not writeable by SK_SKB", | |
ed85054d JF |
1145 | .insns = { |
1146 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1147 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
1148 | offsetof(struct __sk_buff, mark)), | |
1149 | BPF_EXIT_INSN(), | |
1150 | }, | |
f7e9cb1e | 1151 | .result = REJECT, |
ed85054d | 1152 | .prog_type = BPF_PROG_TYPE_SK_SKB, |
f7e9cb1e | 1153 | .errstr = "invalid bpf_context access", |
ed85054d JF |
1154 | }, |
1155 | { | |
1156 | "check skb->tc_index is writeable by SK_SKB", | |
1157 | .insns = { | |
1158 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1159 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
1160 | offsetof(struct __sk_buff, tc_index)), | |
1161 | BPF_EXIT_INSN(), | |
1162 | }, | |
1163 | .result = ACCEPT, | |
1164 | .prog_type = BPF_PROG_TYPE_SK_SKB, | |
1165 | }, | |
1166 | { | |
1167 | "check skb->priority is writeable by SK_SKB", | |
1168 | .insns = { | |
1169 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1170 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
1171 | offsetof(struct __sk_buff, priority)), | |
1172 | BPF_EXIT_INSN(), | |
1173 | }, | |
1174 | .result = ACCEPT, | |
1175 | .prog_type = BPF_PROG_TYPE_SK_SKB, | |
1176 | }, | |
1177 | { | |
1178 | "direct packet read for SK_SKB", | |
1179 | .insns = { | |
1180 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
1181 | offsetof(struct __sk_buff, data)), | |
1182 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
1183 | offsetof(struct __sk_buff, data_end)), | |
1184 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
1185 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
1186 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
1187 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
1188 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1189 | BPF_EXIT_INSN(), | |
1190 | }, | |
1191 | .result = ACCEPT, | |
1192 | .prog_type = BPF_PROG_TYPE_SK_SKB, | |
1193 | }, | |
1194 | { | |
1195 | "direct packet write for SK_SKB", | |
1196 | .insns = { | |
1197 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
1198 | offsetof(struct __sk_buff, data)), | |
1199 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
1200 | offsetof(struct __sk_buff, data_end)), | |
1201 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
1202 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
1203 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
1204 | BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0), | |
1205 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1206 | BPF_EXIT_INSN(), | |
1207 | }, | |
1208 | .result = ACCEPT, | |
1209 | .prog_type = BPF_PROG_TYPE_SK_SKB, | |
1210 | }, | |
1211 | { | |
1212 | "overlapping checks for direct packet access SK_SKB", | |
1213 | .insns = { | |
1214 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
1215 | offsetof(struct __sk_buff, data)), | |
1216 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
1217 | offsetof(struct __sk_buff, data_end)), | |
1218 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
1219 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
1220 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 4), | |
1221 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
1222 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6), | |
1223 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1), | |
1224 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_2, 6), | |
1225 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1226 | BPF_EXIT_INSN(), | |
1227 | }, | |
1228 | .result = ACCEPT, | |
1229 | .prog_type = BPF_PROG_TYPE_SK_SKB, | |
1230 | }, | |
d691f9e8 AS |
1231 | { |
1232 | "check skb->mark is not writeable by sockets", | |
1233 | .insns = { | |
1234 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, | |
1235 | offsetof(struct __sk_buff, mark)), | |
1236 | BPF_EXIT_INSN(), | |
1237 | }, | |
1238 | .errstr = "invalid bpf_context access", | |
bf508877 | 1239 | .errstr_unpriv = "R1 leaks addr", |
d691f9e8 AS |
1240 | .result = REJECT, |
1241 | }, | |
1242 | { | |
1243 | "check skb->tc_index is not writeable by sockets", | |
1244 | .insns = { | |
1245 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, | |
1246 | offsetof(struct __sk_buff, tc_index)), | |
1247 | BPF_EXIT_INSN(), | |
1248 | }, | |
1249 | .errstr = "invalid bpf_context access", | |
bf508877 | 1250 | .errstr_unpriv = "R1 leaks addr", |
d691f9e8 AS |
1251 | .result = REJECT, |
1252 | }, | |
1253 | { | |
62c7989b | 1254 | "check cb access: byte", |
d691f9e8 | 1255 | .insns = { |
62c7989b DB |
1256 | BPF_MOV64_IMM(BPF_REG_0, 0), |
1257 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1258 | offsetof(struct __sk_buff, cb[0])), | |
1259 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1260 | offsetof(struct __sk_buff, cb[0]) + 1), | |
1261 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1262 | offsetof(struct __sk_buff, cb[0]) + 2), | |
1263 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1264 | offsetof(struct __sk_buff, cb[0]) + 3), | |
1265 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1266 | offsetof(struct __sk_buff, cb[1])), | |
1267 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1268 | offsetof(struct __sk_buff, cb[1]) + 1), | |
1269 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1270 | offsetof(struct __sk_buff, cb[1]) + 2), | |
1271 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1272 | offsetof(struct __sk_buff, cb[1]) + 3), | |
1273 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1274 | offsetof(struct __sk_buff, cb[2])), | |
1275 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1276 | offsetof(struct __sk_buff, cb[2]) + 1), | |
1277 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1278 | offsetof(struct __sk_buff, cb[2]) + 2), | |
1279 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1280 | offsetof(struct __sk_buff, cb[2]) + 3), | |
1281 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1282 | offsetof(struct __sk_buff, cb[3])), | |
1283 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1284 | offsetof(struct __sk_buff, cb[3]) + 1), | |
1285 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1286 | offsetof(struct __sk_buff, cb[3]) + 2), | |
1287 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1288 | offsetof(struct __sk_buff, cb[3]) + 3), | |
1289 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1290 | offsetof(struct __sk_buff, cb[4])), | |
1291 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1292 | offsetof(struct __sk_buff, cb[4]) + 1), | |
1293 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1294 | offsetof(struct __sk_buff, cb[4]) + 2), | |
1295 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1296 | offsetof(struct __sk_buff, cb[4]) + 3), | |
1297 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1298 | offsetof(struct __sk_buff, cb[0])), | |
1299 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1300 | offsetof(struct __sk_buff, cb[0]) + 1), | |
1301 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1302 | offsetof(struct __sk_buff, cb[0]) + 2), | |
1303 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1304 | offsetof(struct __sk_buff, cb[0]) + 3), | |
1305 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1306 | offsetof(struct __sk_buff, cb[1])), | |
1307 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1308 | offsetof(struct __sk_buff, cb[1]) + 1), | |
1309 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1310 | offsetof(struct __sk_buff, cb[1]) + 2), | |
1311 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1312 | offsetof(struct __sk_buff, cb[1]) + 3), | |
1313 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1314 | offsetof(struct __sk_buff, cb[2])), | |
1315 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1316 | offsetof(struct __sk_buff, cb[2]) + 1), | |
1317 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1318 | offsetof(struct __sk_buff, cb[2]) + 2), | |
1319 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1320 | offsetof(struct __sk_buff, cb[2]) + 3), | |
1321 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1322 | offsetof(struct __sk_buff, cb[3])), | |
1323 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1324 | offsetof(struct __sk_buff, cb[3]) + 1), | |
1325 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1326 | offsetof(struct __sk_buff, cb[3]) + 2), | |
1327 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1328 | offsetof(struct __sk_buff, cb[3]) + 3), | |
1329 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1330 | offsetof(struct __sk_buff, cb[4])), | |
1331 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1332 | offsetof(struct __sk_buff, cb[4]) + 1), | |
1333 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1334 | offsetof(struct __sk_buff, cb[4]) + 2), | |
1335 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1336 | offsetof(struct __sk_buff, cb[4]) + 3), | |
1337 | BPF_EXIT_INSN(), | |
1338 | }, | |
1339 | .result = ACCEPT, | |
1340 | }, | |
1341 | { | |
31fd8581 | 1342 | "__sk_buff->hash, offset 0, byte store not permitted", |
62c7989b DB |
1343 | .insns = { |
1344 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1345 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
31fd8581 | 1346 | offsetof(struct __sk_buff, hash)), |
62c7989b DB |
1347 | BPF_EXIT_INSN(), |
1348 | }, | |
1349 | .errstr = "invalid bpf_context access", | |
1350 | .result = REJECT, | |
1351 | }, | |
1352 | { | |
31fd8581 | 1353 | "__sk_buff->tc_index, offset 3, byte store not permitted", |
62c7989b DB |
1354 | .insns = { |
1355 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1356 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
31fd8581 | 1357 | offsetof(struct __sk_buff, tc_index) + 3), |
62c7989b DB |
1358 | BPF_EXIT_INSN(), |
1359 | }, | |
1360 | .errstr = "invalid bpf_context access", | |
1361 | .result = REJECT, | |
1362 | }, | |
18f3d6be YS |
1363 | { |
1364 | "check skb->hash byte load permitted", | |
1365 | .insns = { | |
1366 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2c460621 | 1367 | #if __BYTE_ORDER == __LITTLE_ENDIAN |
18f3d6be YS |
1368 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, |
1369 | offsetof(struct __sk_buff, hash)), | |
1370 | #else | |
1371 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1372 | offsetof(struct __sk_buff, hash) + 3), | |
1373 | #endif | |
1374 | BPF_EXIT_INSN(), | |
1375 | }, | |
1376 | .result = ACCEPT, | |
1377 | }, | |
1378 | { | |
1379 | "check skb->hash byte load not permitted 1", | |
1380 | .insns = { | |
1381 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1382 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1383 | offsetof(struct __sk_buff, hash) + 1), | |
1384 | BPF_EXIT_INSN(), | |
1385 | }, | |
1386 | .errstr = "invalid bpf_context access", | |
1387 | .result = REJECT, | |
1388 | }, | |
1389 | { | |
1390 | "check skb->hash byte load not permitted 2", | |
1391 | .insns = { | |
1392 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1393 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1394 | offsetof(struct __sk_buff, hash) + 2), | |
1395 | BPF_EXIT_INSN(), | |
1396 | }, | |
1397 | .errstr = "invalid bpf_context access", | |
1398 | .result = REJECT, | |
1399 | }, | |
1400 | { | |
1401 | "check skb->hash byte load not permitted 3", | |
1402 | .insns = { | |
1403 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2c460621 | 1404 | #if __BYTE_ORDER == __LITTLE_ENDIAN |
18f3d6be YS |
1405 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, |
1406 | offsetof(struct __sk_buff, hash) + 3), | |
1407 | #else | |
1408 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
1409 | offsetof(struct __sk_buff, hash)), | |
1410 | #endif | |
1411 | BPF_EXIT_INSN(), | |
1412 | }, | |
1413 | .errstr = "invalid bpf_context access", | |
1414 | .result = REJECT, | |
1415 | }, | |
62c7989b DB |
1416 | { |
1417 | "check cb access: byte, wrong type", | |
1418 | .insns = { | |
1419 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1420 | BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, | |
1421 | offsetof(struct __sk_buff, cb[0])), | |
1422 | BPF_EXIT_INSN(), | |
1423 | }, | |
1424 | .errstr = "invalid bpf_context access", | |
1425 | .result = REJECT, | |
1426 | .prog_type = BPF_PROG_TYPE_CGROUP_SOCK, | |
1427 | }, | |
1428 | { | |
1429 | "check cb access: half", | |
1430 | .insns = { | |
1431 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1432 | BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, | |
1433 | offsetof(struct __sk_buff, cb[0])), | |
1434 | BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, | |
1435 | offsetof(struct __sk_buff, cb[0]) + 2), | |
1436 | BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, | |
1437 | offsetof(struct __sk_buff, cb[1])), | |
1438 | BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, | |
1439 | offsetof(struct __sk_buff, cb[1]) + 2), | |
1440 | BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, | |
1441 | offsetof(struct __sk_buff, cb[2])), | |
1442 | BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, | |
1443 | offsetof(struct __sk_buff, cb[2]) + 2), | |
1444 | BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, | |
1445 | offsetof(struct __sk_buff, cb[3])), | |
1446 | BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, | |
1447 | offsetof(struct __sk_buff, cb[3]) + 2), | |
1448 | BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, | |
1449 | offsetof(struct __sk_buff, cb[4])), | |
1450 | BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, | |
1451 | offsetof(struct __sk_buff, cb[4]) + 2), | |
1452 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, | |
1453 | offsetof(struct __sk_buff, cb[0])), | |
1454 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, | |
1455 | offsetof(struct __sk_buff, cb[0]) + 2), | |
1456 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, | |
1457 | offsetof(struct __sk_buff, cb[1])), | |
1458 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, | |
1459 | offsetof(struct __sk_buff, cb[1]) + 2), | |
1460 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, | |
1461 | offsetof(struct __sk_buff, cb[2])), | |
1462 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, | |
1463 | offsetof(struct __sk_buff, cb[2]) + 2), | |
1464 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, | |
1465 | offsetof(struct __sk_buff, cb[3])), | |
1466 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, | |
1467 | offsetof(struct __sk_buff, cb[3]) + 2), | |
1468 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, | |
1469 | offsetof(struct __sk_buff, cb[4])), | |
1470 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, | |
1471 | offsetof(struct __sk_buff, cb[4]) + 2), | |
1472 | BPF_EXIT_INSN(), | |
1473 | }, | |
1474 | .result = ACCEPT, | |
1475 | }, | |
1476 | { | |
1477 | "check cb access: half, unaligned", | |
1478 | .insns = { | |
1479 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1480 | BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, | |
1481 | offsetof(struct __sk_buff, cb[0]) + 1), | |
1482 | BPF_EXIT_INSN(), | |
1483 | }, | |
f65b1849 | 1484 | .errstr = "misaligned context access", |
62c7989b | 1485 | .result = REJECT, |
f65b1849 | 1486 | .flags = F_LOAD_WITH_STRICT_ALIGNMENT, |
62c7989b DB |
1487 | }, |
1488 | { | |
31fd8581 | 1489 | "check __sk_buff->hash, offset 0, half store not permitted", |
62c7989b DB |
1490 | .insns = { |
1491 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1492 | BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, | |
31fd8581 | 1493 | offsetof(struct __sk_buff, hash)), |
62c7989b DB |
1494 | BPF_EXIT_INSN(), |
1495 | }, | |
1496 | .errstr = "invalid bpf_context access", | |
1497 | .result = REJECT, | |
1498 | }, | |
1499 | { | |
31fd8581 | 1500 | "check __sk_buff->tc_index, offset 2, half store not permitted", |
62c7989b DB |
1501 | .insns = { |
1502 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1503 | BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, | |
31fd8581 | 1504 | offsetof(struct __sk_buff, tc_index) + 2), |
62c7989b DB |
1505 | BPF_EXIT_INSN(), |
1506 | }, | |
1507 | .errstr = "invalid bpf_context access", | |
1508 | .result = REJECT, | |
1509 | }, | |
18f3d6be YS |
1510 | { |
1511 | "check skb->hash half load permitted", | |
1512 | .insns = { | |
1513 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2c460621 | 1514 | #if __BYTE_ORDER == __LITTLE_ENDIAN |
18f3d6be YS |
1515 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, |
1516 | offsetof(struct __sk_buff, hash)), | |
1517 | #else | |
1518 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, | |
1519 | offsetof(struct __sk_buff, hash) + 2), | |
1520 | #endif | |
1521 | BPF_EXIT_INSN(), | |
1522 | }, | |
1523 | .result = ACCEPT, | |
1524 | }, | |
1525 | { | |
1526 | "check skb->hash half load not permitted", | |
1527 | .insns = { | |
1528 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2c460621 | 1529 | #if __BYTE_ORDER == __LITTLE_ENDIAN |
18f3d6be YS |
1530 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, |
1531 | offsetof(struct __sk_buff, hash) + 2), | |
1532 | #else | |
1533 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, | |
1534 | offsetof(struct __sk_buff, hash)), | |
1535 | #endif | |
1536 | BPF_EXIT_INSN(), | |
1537 | }, | |
1538 | .errstr = "invalid bpf_context access", | |
1539 | .result = REJECT, | |
1540 | }, | |
62c7989b DB |
1541 | { |
1542 | "check cb access: half, wrong type", | |
1543 | .insns = { | |
1544 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1545 | BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, | |
1546 | offsetof(struct __sk_buff, cb[0])), | |
1547 | BPF_EXIT_INSN(), | |
1548 | }, | |
1549 | .errstr = "invalid bpf_context access", | |
1550 | .result = REJECT, | |
1551 | .prog_type = BPF_PROG_TYPE_CGROUP_SOCK, | |
1552 | }, | |
1553 | { | |
1554 | "check cb access: word", | |
1555 | .insns = { | |
1556 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1557 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
1558 | offsetof(struct __sk_buff, cb[0])), | |
1559 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
1560 | offsetof(struct __sk_buff, cb[1])), | |
1561 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
1562 | offsetof(struct __sk_buff, cb[2])), | |
1563 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
1564 | offsetof(struct __sk_buff, cb[3])), | |
1565 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
1566 | offsetof(struct __sk_buff, cb[4])), | |
1567 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1568 | offsetof(struct __sk_buff, cb[0])), | |
1569 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1570 | offsetof(struct __sk_buff, cb[1])), | |
1571 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1572 | offsetof(struct __sk_buff, cb[2])), | |
1573 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1574 | offsetof(struct __sk_buff, cb[3])), | |
1575 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1576 | offsetof(struct __sk_buff, cb[4])), | |
1577 | BPF_EXIT_INSN(), | |
1578 | }, | |
1579 | .result = ACCEPT, | |
1580 | }, | |
1581 | { | |
1582 | "check cb access: word, unaligned 1", | |
1583 | .insns = { | |
1584 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1585 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
1586 | offsetof(struct __sk_buff, cb[0]) + 2), | |
1587 | BPF_EXIT_INSN(), | |
1588 | }, | |
f65b1849 | 1589 | .errstr = "misaligned context access", |
62c7989b | 1590 | .result = REJECT, |
f65b1849 | 1591 | .flags = F_LOAD_WITH_STRICT_ALIGNMENT, |
62c7989b DB |
1592 | }, |
1593 | { | |
1594 | "check cb access: word, unaligned 2", | |
1595 | .insns = { | |
1596 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1597 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
1598 | offsetof(struct __sk_buff, cb[4]) + 1), | |
1599 | BPF_EXIT_INSN(), | |
1600 | }, | |
f65b1849 | 1601 | .errstr = "misaligned context access", |
62c7989b | 1602 | .result = REJECT, |
f65b1849 | 1603 | .flags = F_LOAD_WITH_STRICT_ALIGNMENT, |
62c7989b DB |
1604 | }, |
1605 | { | |
1606 | "check cb access: word, unaligned 3", | |
1607 | .insns = { | |
1608 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1609 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
1610 | offsetof(struct __sk_buff, cb[4]) + 2), | |
1611 | BPF_EXIT_INSN(), | |
1612 | }, | |
f65b1849 | 1613 | .errstr = "misaligned context access", |
62c7989b | 1614 | .result = REJECT, |
f65b1849 | 1615 | .flags = F_LOAD_WITH_STRICT_ALIGNMENT, |
62c7989b DB |
1616 | }, |
1617 | { | |
1618 | "check cb access: word, unaligned 4", | |
1619 | .insns = { | |
1620 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1621 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
1622 | offsetof(struct __sk_buff, cb[4]) + 3), | |
1623 | BPF_EXIT_INSN(), | |
1624 | }, | |
f65b1849 | 1625 | .errstr = "misaligned context access", |
62c7989b | 1626 | .result = REJECT, |
f65b1849 | 1627 | .flags = F_LOAD_WITH_STRICT_ALIGNMENT, |
62c7989b DB |
1628 | }, |
1629 | { | |
1630 | "check cb access: double", | |
1631 | .insns = { | |
1632 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1633 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, | |
1634 | offsetof(struct __sk_buff, cb[0])), | |
1635 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, | |
1636 | offsetof(struct __sk_buff, cb[2])), | |
1637 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, | |
1638 | offsetof(struct __sk_buff, cb[0])), | |
1639 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, | |
1640 | offsetof(struct __sk_buff, cb[2])), | |
1641 | BPF_EXIT_INSN(), | |
1642 | }, | |
1643 | .result = ACCEPT, | |
1644 | }, | |
1645 | { | |
1646 | "check cb access: double, unaligned 1", | |
1647 | .insns = { | |
1648 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1649 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, | |
1650 | offsetof(struct __sk_buff, cb[1])), | |
1651 | BPF_EXIT_INSN(), | |
1652 | }, | |
f65b1849 | 1653 | .errstr = "misaligned context access", |
62c7989b | 1654 | .result = REJECT, |
f65b1849 | 1655 | .flags = F_LOAD_WITH_STRICT_ALIGNMENT, |
62c7989b DB |
1656 | }, |
1657 | { | |
1658 | "check cb access: double, unaligned 2", | |
1659 | .insns = { | |
1660 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1661 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, | |
1662 | offsetof(struct __sk_buff, cb[3])), | |
1663 | BPF_EXIT_INSN(), | |
1664 | }, | |
f65b1849 | 1665 | .errstr = "misaligned context access", |
62c7989b | 1666 | .result = REJECT, |
f65b1849 | 1667 | .flags = F_LOAD_WITH_STRICT_ALIGNMENT, |
62c7989b DB |
1668 | }, |
1669 | { | |
1670 | "check cb access: double, oob 1", | |
1671 | .insns = { | |
1672 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1673 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, | |
1674 | offsetof(struct __sk_buff, cb[4])), | |
1675 | BPF_EXIT_INSN(), | |
1676 | }, | |
1677 | .errstr = "invalid bpf_context access", | |
1678 | .result = REJECT, | |
1679 | }, | |
1680 | { | |
1681 | "check cb access: double, oob 2", | |
62c7989b DB |
1682 | .insns = { |
1683 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1684 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, | |
1685 | offsetof(struct __sk_buff, cb[4])), | |
1686 | BPF_EXIT_INSN(), | |
1687 | }, | |
1688 | .errstr = "invalid bpf_context access", | |
1689 | .result = REJECT, | |
1690 | }, | |
1691 | { | |
31fd8581 | 1692 | "check __sk_buff->ifindex dw store not permitted", |
62c7989b DB |
1693 | .insns = { |
1694 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
31fd8581 YS |
1695 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, |
1696 | offsetof(struct __sk_buff, ifindex)), | |
62c7989b DB |
1697 | BPF_EXIT_INSN(), |
1698 | }, | |
1699 | .errstr = "invalid bpf_context access", | |
1700 | .result = REJECT, | |
1701 | }, | |
1702 | { | |
31fd8581 | 1703 | "check __sk_buff->ifindex dw load not permitted", |
62c7989b DB |
1704 | .insns = { |
1705 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1706 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, | |
31fd8581 | 1707 | offsetof(struct __sk_buff, ifindex)), |
62c7989b DB |
1708 | BPF_EXIT_INSN(), |
1709 | }, | |
1710 | .errstr = "invalid bpf_context access", | |
1711 | .result = REJECT, | |
1712 | }, | |
1713 | { | |
1714 | "check cb access: double, wrong type", | |
1715 | .insns = { | |
1716 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1717 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, | |
d691f9e8 AS |
1718 | offsetof(struct __sk_buff, cb[0])), |
1719 | BPF_EXIT_INSN(), | |
1720 | }, | |
1721 | .errstr = "invalid bpf_context access", | |
1722 | .result = REJECT, | |
62c7989b | 1723 | .prog_type = BPF_PROG_TYPE_CGROUP_SOCK, |
d691f9e8 AS |
1724 | }, |
1725 | { | |
1726 | "check out of range skb->cb access", | |
1727 | .insns = { | |
1728 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
bf508877 | 1729 | offsetof(struct __sk_buff, cb[0]) + 256), |
d691f9e8 AS |
1730 | BPF_EXIT_INSN(), |
1731 | }, | |
1732 | .errstr = "invalid bpf_context access", | |
bf508877 | 1733 | .errstr_unpriv = "", |
d691f9e8 AS |
1734 | .result = REJECT, |
1735 | .prog_type = BPF_PROG_TYPE_SCHED_ACT, | |
1736 | }, | |
1737 | { | |
1738 | "write skb fields from socket prog", | |
1739 | .insns = { | |
1740 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1741 | offsetof(struct __sk_buff, cb[4])), | |
1742 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1), | |
1743 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1744 | offsetof(struct __sk_buff, mark)), | |
1745 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1746 | offsetof(struct __sk_buff, tc_index)), | |
1747 | BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1), | |
1748 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, | |
1749 | offsetof(struct __sk_buff, cb[0])), | |
1750 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, | |
1751 | offsetof(struct __sk_buff, cb[2])), | |
1752 | BPF_EXIT_INSN(), | |
1753 | }, | |
1754 | .result = ACCEPT, | |
bf508877 AS |
1755 | .errstr_unpriv = "R1 leaks addr", |
1756 | .result_unpriv = REJECT, | |
d691f9e8 AS |
1757 | }, |
1758 | { | |
1759 | "write skb fields from tc_cls_act prog", | |
1760 | .insns = { | |
1761 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1762 | offsetof(struct __sk_buff, cb[0])), | |
1763 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
1764 | offsetof(struct __sk_buff, mark)), | |
1765 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
1766 | offsetof(struct __sk_buff, tc_index)), | |
1767 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
1768 | offsetof(struct __sk_buff, tc_index)), | |
1769 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, | |
1770 | offsetof(struct __sk_buff, cb[3])), | |
1771 | BPF_EXIT_INSN(), | |
1772 | }, | |
bf508877 AS |
1773 | .errstr_unpriv = "", |
1774 | .result_unpriv = REJECT, | |
d691f9e8 AS |
1775 | .result = ACCEPT, |
1776 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
1777 | }, | |
24b4d2ab AG |
1778 | { |
1779 | "PTR_TO_STACK store/load", | |
1780 | .insns = { | |
1781 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
1782 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -10), | |
1783 | BPF_ST_MEM(BPF_DW, BPF_REG_1, 2, 0xfaceb00c), | |
1784 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 2), | |
1785 | BPF_EXIT_INSN(), | |
1786 | }, | |
1787 | .result = ACCEPT, | |
1788 | }, | |
1789 | { | |
1790 | "PTR_TO_STACK store/load - bad alignment on off", | |
1791 | .insns = { | |
1792 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
1793 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8), | |
1794 | BPF_ST_MEM(BPF_DW, BPF_REG_1, 2, 0xfaceb00c), | |
1795 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 2), | |
1796 | BPF_EXIT_INSN(), | |
1797 | }, | |
1798 | .result = REJECT, | |
f65b1849 EC |
1799 | .errstr = "misaligned stack access off (0x0; 0x0)+-8+2 size 8", |
1800 | .flags = F_LOAD_WITH_STRICT_ALIGNMENT, | |
24b4d2ab AG |
1801 | }, |
1802 | { | |
1803 | "PTR_TO_STACK store/load - bad alignment on reg", | |
1804 | .insns = { | |
1805 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
1806 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -10), | |
1807 | BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c), | |
1808 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8), | |
1809 | BPF_EXIT_INSN(), | |
1810 | }, | |
1811 | .result = REJECT, | |
f65b1849 EC |
1812 | .errstr = "misaligned stack access off (0x0; 0x0)+-10+8 size 8", |
1813 | .flags = F_LOAD_WITH_STRICT_ALIGNMENT, | |
24b4d2ab AG |
1814 | }, |
1815 | { | |
1816 | "PTR_TO_STACK store/load - out of bounds low", | |
1817 | .insns = { | |
1818 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
1819 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -80000), | |
1820 | BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c), | |
1821 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8), | |
1822 | BPF_EXIT_INSN(), | |
1823 | }, | |
1824 | .result = REJECT, | |
1825 | .errstr = "invalid stack off=-79992 size=8", | |
1826 | }, | |
1827 | { | |
1828 | "PTR_TO_STACK store/load - out of bounds high", | |
1829 | .insns = { | |
1830 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
1831 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8), | |
1832 | BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c), | |
1833 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8), | |
1834 | BPF_EXIT_INSN(), | |
1835 | }, | |
1836 | .result = REJECT, | |
1837 | .errstr = "invalid stack off=0 size=8", | |
1838 | }, | |
bf508877 AS |
1839 | { |
1840 | "unpriv: return pointer", | |
1841 | .insns = { | |
1842 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_10), | |
1843 | BPF_EXIT_INSN(), | |
1844 | }, | |
1845 | .result = ACCEPT, | |
1846 | .result_unpriv = REJECT, | |
1847 | .errstr_unpriv = "R0 leaks addr", | |
1848 | }, | |
1849 | { | |
1850 | "unpriv: add const to pointer", | |
1851 | .insns = { | |
1852 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
1853 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1854 | BPF_EXIT_INSN(), | |
1855 | }, | |
1856 | .result = ACCEPT, | |
bf508877 AS |
1857 | }, |
1858 | { | |
1859 | "unpriv: add pointer to pointer", | |
1860 | .insns = { | |
1861 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_10), | |
1862 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1863 | BPF_EXIT_INSN(), | |
1864 | }, | |
1865 | .result = ACCEPT, | |
1866 | .result_unpriv = REJECT, | |
f65b1849 | 1867 | .errstr_unpriv = "R1 pointer += pointer", |
bf508877 AS |
1868 | }, |
1869 | { | |
1870 | "unpriv: neg pointer", | |
1871 | .insns = { | |
1872 | BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0), | |
1873 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1874 | BPF_EXIT_INSN(), | |
1875 | }, | |
1876 | .result = ACCEPT, | |
1877 | .result_unpriv = REJECT, | |
1878 | .errstr_unpriv = "R1 pointer arithmetic", | |
1879 | }, | |
1880 | { | |
1881 | "unpriv: cmp pointer with const", | |
1882 | .insns = { | |
1883 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0), | |
1884 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1885 | BPF_EXIT_INSN(), | |
1886 | }, | |
1887 | .result = ACCEPT, | |
1888 | .result_unpriv = REJECT, | |
1889 | .errstr_unpriv = "R1 pointer comparison", | |
1890 | }, | |
1891 | { | |
1892 | "unpriv: cmp pointer with pointer", | |
1893 | .insns = { | |
1894 | BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0), | |
1895 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1896 | BPF_EXIT_INSN(), | |
1897 | }, | |
1898 | .result = ACCEPT, | |
1899 | .result_unpriv = REJECT, | |
1900 | .errstr_unpriv = "R10 pointer comparison", | |
1901 | }, | |
1902 | { | |
1903 | "unpriv: check that printk is disallowed", | |
1904 | .insns = { | |
1905 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
1906 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
1907 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8), | |
1908 | BPF_MOV64_IMM(BPF_REG_2, 8), | |
1909 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_1), | |
5aa5bd14 DB |
1910 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
1911 | BPF_FUNC_trace_printk), | |
bf508877 AS |
1912 | BPF_MOV64_IMM(BPF_REG_0, 0), |
1913 | BPF_EXIT_INSN(), | |
1914 | }, | |
0eb6984f | 1915 | .errstr_unpriv = "unknown func bpf_trace_printk#6", |
bf508877 AS |
1916 | .result_unpriv = REJECT, |
1917 | .result = ACCEPT, | |
1918 | }, | |
1919 | { | |
1920 | "unpriv: pass pointer to helper function", | |
1921 | .insns = { | |
1922 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
1923 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
1924 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
1925 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
1926 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_2), | |
1927 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), | |
5aa5bd14 DB |
1928 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
1929 | BPF_FUNC_map_update_elem), | |
bf508877 AS |
1930 | BPF_MOV64_IMM(BPF_REG_0, 0), |
1931 | BPF_EXIT_INSN(), | |
1932 | }, | |
5aa5bd14 | 1933 | .fixup_map1 = { 3 }, |
bf508877 AS |
1934 | .errstr_unpriv = "R4 leaks addr", |
1935 | .result_unpriv = REJECT, | |
1936 | .result = ACCEPT, | |
1937 | }, | |
1938 | { | |
1939 | "unpriv: indirectly pass pointer on stack to helper function", | |
1940 | .insns = { | |
1941 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8), | |
1942 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
1943 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
1944 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
1945 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
1946 | BPF_FUNC_map_lookup_elem), | |
bf508877 AS |
1947 | BPF_MOV64_IMM(BPF_REG_0, 0), |
1948 | BPF_EXIT_INSN(), | |
1949 | }, | |
5aa5bd14 | 1950 | .fixup_map1 = { 3 }, |
bf508877 AS |
1951 | .errstr = "invalid indirect read from stack off -8+0 size 8", |
1952 | .result = REJECT, | |
1953 | }, | |
1954 | { | |
1955 | "unpriv: mangle pointer on stack 1", | |
1956 | .insns = { | |
1957 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8), | |
1958 | BPF_ST_MEM(BPF_W, BPF_REG_10, -8, 0), | |
1959 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1960 | BPF_EXIT_INSN(), | |
1961 | }, | |
1962 | .errstr_unpriv = "attempt to corrupt spilled", | |
1963 | .result_unpriv = REJECT, | |
1964 | .result = ACCEPT, | |
1965 | }, | |
1966 | { | |
1967 | "unpriv: mangle pointer on stack 2", | |
1968 | .insns = { | |
1969 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8), | |
1970 | BPF_ST_MEM(BPF_B, BPF_REG_10, -1, 0), | |
1971 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1972 | BPF_EXIT_INSN(), | |
1973 | }, | |
1974 | .errstr_unpriv = "attempt to corrupt spilled", | |
1975 | .result_unpriv = REJECT, | |
1976 | .result = ACCEPT, | |
1977 | }, | |
1978 | { | |
1979 | "unpriv: read pointer from stack in small chunks", | |
1980 | .insns = { | |
1981 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8), | |
1982 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -8), | |
1983 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1984 | BPF_EXIT_INSN(), | |
1985 | }, | |
1986 | .errstr = "invalid size", | |
1987 | .result = REJECT, | |
1988 | }, | |
1989 | { | |
1990 | "unpriv: write pointer into ctx", | |
1991 | .insns = { | |
1992 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, 0), | |
1993 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
1994 | BPF_EXIT_INSN(), | |
1995 | }, | |
1996 | .errstr_unpriv = "R1 leaks addr", | |
1997 | .result_unpriv = REJECT, | |
1998 | .errstr = "invalid bpf_context access", | |
1999 | .result = REJECT, | |
2000 | }, | |
1a776b9c DB |
2001 | { |
2002 | "unpriv: spill/fill of ctx", | |
2003 | .insns = { | |
2004 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2005 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
2006 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0), | |
2007 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0), | |
2008 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2009 | BPF_EXIT_INSN(), | |
2010 | }, | |
2011 | .result = ACCEPT, | |
2012 | }, | |
2013 | { | |
2014 | "unpriv: spill/fill of ctx 2", | |
2015 | .insns = { | |
2016 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2017 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
2018 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0), | |
2019 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0), | |
5aa5bd14 DB |
2020 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2021 | BPF_FUNC_get_hash_recalc), | |
1a776b9c DB |
2022 | BPF_EXIT_INSN(), |
2023 | }, | |
2024 | .result = ACCEPT, | |
2025 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2026 | }, | |
2027 | { | |
2028 | "unpriv: spill/fill of ctx 3", | |
2029 | .insns = { | |
2030 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2031 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
2032 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0), | |
2033 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_10, 0), | |
2034 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0), | |
5aa5bd14 DB |
2035 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2036 | BPF_FUNC_get_hash_recalc), | |
1a776b9c DB |
2037 | BPF_EXIT_INSN(), |
2038 | }, | |
2039 | .result = REJECT, | |
2040 | .errstr = "R1 type=fp expected=ctx", | |
2041 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2042 | }, | |
2043 | { | |
2044 | "unpriv: spill/fill of ctx 4", | |
2045 | .insns = { | |
2046 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2047 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
2048 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0), | |
2049 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
5aa5bd14 DB |
2050 | BPF_RAW_INSN(BPF_STX | BPF_XADD | BPF_DW, BPF_REG_10, |
2051 | BPF_REG_0, -8, 0), | |
1a776b9c | 2052 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0), |
5aa5bd14 DB |
2053 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2054 | BPF_FUNC_get_hash_recalc), | |
1a776b9c DB |
2055 | BPF_EXIT_INSN(), |
2056 | }, | |
2057 | .result = REJECT, | |
2058 | .errstr = "R1 type=inv expected=ctx", | |
2059 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2060 | }, | |
2061 | { | |
2062 | "unpriv: spill/fill of different pointers stx", | |
2063 | .insns = { | |
2064 | BPF_MOV64_IMM(BPF_REG_3, 42), | |
2065 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2066 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
2067 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3), | |
2068 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
2069 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16), | |
2070 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0), | |
2071 | BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1), | |
2072 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0), | |
2073 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0), | |
2074 | BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_3, | |
2075 | offsetof(struct __sk_buff, mark)), | |
2076 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2077 | BPF_EXIT_INSN(), | |
2078 | }, | |
2079 | .result = REJECT, | |
2080 | .errstr = "same insn cannot be used with different pointers", | |
2081 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2082 | }, | |
2083 | { | |
2084 | "unpriv: spill/fill of different pointers ldx", | |
2085 | .insns = { | |
2086 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2087 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
2088 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3), | |
2089 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
2090 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, | |
2091 | -(__s32)offsetof(struct bpf_perf_event_data, | |
2092 | sample_period) - 8), | |
2093 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0), | |
2094 | BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1), | |
2095 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0), | |
2096 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0), | |
2097 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, | |
2098 | offsetof(struct bpf_perf_event_data, | |
2099 | sample_period)), | |
2100 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2101 | BPF_EXIT_INSN(), | |
2102 | }, | |
2103 | .result = REJECT, | |
2104 | .errstr = "same insn cannot be used with different pointers", | |
2105 | .prog_type = BPF_PROG_TYPE_PERF_EVENT, | |
2106 | }, | |
bf508877 AS |
2107 | { |
2108 | "unpriv: write pointer into map elem value", | |
2109 | .insns = { | |
2110 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
2111 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
2112 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
2113 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
2114 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2115 | BPF_FUNC_map_lookup_elem), | |
bf508877 AS |
2116 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1), |
2117 | BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0), | |
2118 | BPF_EXIT_INSN(), | |
2119 | }, | |
5aa5bd14 | 2120 | .fixup_map1 = { 3 }, |
bf508877 AS |
2121 | .errstr_unpriv = "R0 leaks addr", |
2122 | .result_unpriv = REJECT, | |
2123 | .result = ACCEPT, | |
2124 | }, | |
2125 | { | |
2126 | "unpriv: partial copy of pointer", | |
2127 | .insns = { | |
2128 | BPF_MOV32_REG(BPF_REG_1, BPF_REG_10), | |
2129 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2130 | BPF_EXIT_INSN(), | |
2131 | }, | |
2132 | .errstr_unpriv = "R10 partial copy", | |
2133 | .result_unpriv = REJECT, | |
2134 | .result = ACCEPT, | |
2135 | }, | |
2136 | { | |
2137 | "unpriv: pass pointer to tail_call", | |
2138 | .insns = { | |
2139 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_1), | |
2140 | BPF_LD_MAP_FD(BPF_REG_2, 0), | |
5aa5bd14 DB |
2141 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2142 | BPF_FUNC_tail_call), | |
bf508877 AS |
2143 | BPF_MOV64_IMM(BPF_REG_0, 0), |
2144 | BPF_EXIT_INSN(), | |
2145 | }, | |
5aa5bd14 | 2146 | .fixup_prog = { 1 }, |
bf508877 AS |
2147 | .errstr_unpriv = "R3 leaks addr into helper", |
2148 | .result_unpriv = REJECT, | |
2149 | .result = ACCEPT, | |
2150 | }, | |
2151 | { | |
2152 | "unpriv: cmp map pointer with zero", | |
2153 | .insns = { | |
2154 | BPF_MOV64_IMM(BPF_REG_1, 0), | |
2155 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
2156 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0), | |
2157 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2158 | BPF_EXIT_INSN(), | |
2159 | }, | |
5aa5bd14 | 2160 | .fixup_map1 = { 1 }, |
bf508877 AS |
2161 | .errstr_unpriv = "R1 pointer comparison", |
2162 | .result_unpriv = REJECT, | |
2163 | .result = ACCEPT, | |
2164 | }, | |
2165 | { | |
2166 | "unpriv: write into frame pointer", | |
2167 | .insns = { | |
2168 | BPF_MOV64_REG(BPF_REG_10, BPF_REG_1), | |
2169 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2170 | BPF_EXIT_INSN(), | |
2171 | }, | |
2172 | .errstr = "frame pointer is read only", | |
2173 | .result = REJECT, | |
2174 | }, | |
1a776b9c DB |
2175 | { |
2176 | "unpriv: spill/fill frame pointer", | |
2177 | .insns = { | |
2178 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2179 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
2180 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_10, 0), | |
2181 | BPF_LDX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, 0), | |
2182 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2183 | BPF_EXIT_INSN(), | |
2184 | }, | |
2185 | .errstr = "frame pointer is read only", | |
2186 | .result = REJECT, | |
2187 | }, | |
bf508877 AS |
2188 | { |
2189 | "unpriv: cmp of frame pointer", | |
2190 | .insns = { | |
2191 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_10, 0, 0), | |
2192 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2193 | BPF_EXIT_INSN(), | |
2194 | }, | |
2195 | .errstr_unpriv = "R10 pointer comparison", | |
2196 | .result_unpriv = REJECT, | |
2197 | .result = ACCEPT, | |
2198 | }, | |
728a853a DB |
2199 | { |
2200 | "unpriv: adding of fp", | |
2201 | .insns = { | |
2202 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2203 | BPF_MOV64_IMM(BPF_REG_1, 0), | |
2204 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_10), | |
2205 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, -8), | |
2206 | BPF_EXIT_INSN(), | |
2207 | }, | |
f65b1849 | 2208 | .result = ACCEPT, |
728a853a | 2209 | }, |
bf508877 AS |
2210 | { |
2211 | "unpriv: cmp of stack pointer", | |
2212 | .insns = { | |
2213 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
2214 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
2215 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 0, 0), | |
2216 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2217 | BPF_EXIT_INSN(), | |
2218 | }, | |
2219 | .errstr_unpriv = "R2 pointer comparison", | |
2220 | .result_unpriv = REJECT, | |
2221 | .result = ACCEPT, | |
2222 | }, | |
2223 | { | |
332270fd | 2224 | "stack pointer arithmetic", |
bf508877 | 2225 | .insns = { |
332270fd YS |
2226 | BPF_MOV64_IMM(BPF_REG_1, 4), |
2227 | BPF_JMP_IMM(BPF_JA, 0, 0, 0), | |
2228 | BPF_MOV64_REG(BPF_REG_7, BPF_REG_10), | |
2229 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -10), | |
2230 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -10), | |
2231 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_7), | |
2232 | BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_1), | |
2233 | BPF_ST_MEM(0, BPF_REG_2, 4, 0), | |
2234 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_7), | |
2235 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8), | |
2236 | BPF_ST_MEM(0, BPF_REG_2, 4, 0), | |
bf508877 AS |
2237 | BPF_MOV64_IMM(BPF_REG_0, 0), |
2238 | BPF_EXIT_INSN(), | |
2239 | }, | |
bf508877 AS |
2240 | .result = ACCEPT, |
2241 | }, | |
3f2050e2 DB |
2242 | { |
2243 | "raw_stack: no skb_load_bytes", | |
2244 | .insns = { | |
2245 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2246 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2247 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
2248 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
2249 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
2250 | /* Call to skb_load_bytes() omitted. */ | |
2251 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), | |
2252 | BPF_EXIT_INSN(), | |
2253 | }, | |
2254 | .result = REJECT, | |
2255 | .errstr = "invalid read from stack off -8+0 size 8", | |
2256 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2257 | }, | |
7d95b0ab DB |
2258 | { |
2259 | "raw_stack: skb_load_bytes, negative len", | |
2260 | .insns = { | |
2261 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2262 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2263 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
2264 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
2265 | BPF_MOV64_IMM(BPF_REG_4, -8), | |
5aa5bd14 DB |
2266 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2267 | BPF_FUNC_skb_load_bytes), | |
7d95b0ab DB |
2268 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), |
2269 | BPF_EXIT_INSN(), | |
2270 | }, | |
2271 | .result = REJECT, | |
f65b1849 | 2272 | .errstr = "R4 min value is negative", |
7d95b0ab DB |
2273 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
2274 | }, | |
2275 | { | |
2276 | "raw_stack: skb_load_bytes, negative len 2", | |
2277 | .insns = { | |
2278 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2279 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2280 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
2281 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
2282 | BPF_MOV64_IMM(BPF_REG_4, ~0), | |
5aa5bd14 DB |
2283 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2284 | BPF_FUNC_skb_load_bytes), | |
7d95b0ab DB |
2285 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), |
2286 | BPF_EXIT_INSN(), | |
2287 | }, | |
2288 | .result = REJECT, | |
f65b1849 | 2289 | .errstr = "R4 min value is negative", |
7d95b0ab DB |
2290 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
2291 | }, | |
2292 | { | |
2293 | "raw_stack: skb_load_bytes, zero len", | |
2294 | .insns = { | |
2295 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2296 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2297 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
2298 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
2299 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5aa5bd14 DB |
2300 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2301 | BPF_FUNC_skb_load_bytes), | |
7d95b0ab DB |
2302 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), |
2303 | BPF_EXIT_INSN(), | |
2304 | }, | |
2305 | .result = REJECT, | |
2306 | .errstr = "invalid stack type R3", | |
2307 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2308 | }, | |
3f2050e2 DB |
2309 | { |
2310 | "raw_stack: skb_load_bytes, no init", | |
2311 | .insns = { | |
2312 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2313 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2314 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
2315 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
2316 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
5aa5bd14 DB |
2317 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2318 | BPF_FUNC_skb_load_bytes), | |
3f2050e2 DB |
2319 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), |
2320 | BPF_EXIT_INSN(), | |
2321 | }, | |
2322 | .result = ACCEPT, | |
2323 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2324 | }, | |
2325 | { | |
2326 | "raw_stack: skb_load_bytes, init", | |
2327 | .insns = { | |
2328 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2329 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2330 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
2331 | BPF_ST_MEM(BPF_DW, BPF_REG_6, 0, 0xcafe), | |
2332 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
2333 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
5aa5bd14 DB |
2334 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2335 | BPF_FUNC_skb_load_bytes), | |
3f2050e2 DB |
2336 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), |
2337 | BPF_EXIT_INSN(), | |
2338 | }, | |
2339 | .result = ACCEPT, | |
2340 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2341 | }, | |
2342 | { | |
2343 | "raw_stack: skb_load_bytes, spilled regs around bounds", | |
2344 | .insns = { | |
2345 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2346 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2347 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -16), | |
5aa5bd14 DB |
2348 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8), |
2349 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8), | |
3f2050e2 DB |
2350 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), |
2351 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
5aa5bd14 DB |
2352 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2353 | BPF_FUNC_skb_load_bytes), | |
2354 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, -8), | |
2355 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 8), | |
3f2050e2 DB |
2356 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, |
2357 | offsetof(struct __sk_buff, mark)), | |
2358 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2, | |
2359 | offsetof(struct __sk_buff, priority)), | |
2360 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2), | |
2361 | BPF_EXIT_INSN(), | |
2362 | }, | |
2363 | .result = ACCEPT, | |
2364 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2365 | }, | |
2366 | { | |
2367 | "raw_stack: skb_load_bytes, spilled regs corruption", | |
2368 | .insns = { | |
2369 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2370 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2371 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8), | |
5aa5bd14 | 2372 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0), |
3f2050e2 DB |
2373 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), |
2374 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
5aa5bd14 DB |
2375 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2376 | BPF_FUNC_skb_load_bytes), | |
2377 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), | |
3f2050e2 DB |
2378 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, |
2379 | offsetof(struct __sk_buff, mark)), | |
2380 | BPF_EXIT_INSN(), | |
2381 | }, | |
2382 | .result = REJECT, | |
2383 | .errstr = "R0 invalid mem access 'inv'", | |
2384 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2385 | }, | |
2386 | { | |
2387 | "raw_stack: skb_load_bytes, spilled regs corruption 2", | |
2388 | .insns = { | |
2389 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2390 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2391 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -16), | |
5aa5bd14 DB |
2392 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8), |
2393 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0), | |
2394 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8), | |
3f2050e2 DB |
2395 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), |
2396 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
5aa5bd14 DB |
2397 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2398 | BPF_FUNC_skb_load_bytes), | |
2399 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, -8), | |
2400 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 8), | |
2401 | BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_6, 0), | |
3f2050e2 DB |
2402 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, |
2403 | offsetof(struct __sk_buff, mark)), | |
2404 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2, | |
2405 | offsetof(struct __sk_buff, priority)), | |
2406 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2), | |
2407 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_3, | |
2408 | offsetof(struct __sk_buff, pkt_type)), | |
2409 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3), | |
2410 | BPF_EXIT_INSN(), | |
2411 | }, | |
2412 | .result = REJECT, | |
2413 | .errstr = "R3 invalid mem access 'inv'", | |
2414 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2415 | }, | |
2416 | { | |
2417 | "raw_stack: skb_load_bytes, spilled regs + data", | |
2418 | .insns = { | |
2419 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2420 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2421 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -16), | |
5aa5bd14 DB |
2422 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8), |
2423 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0), | |
2424 | BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8), | |
3f2050e2 DB |
2425 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), |
2426 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
5aa5bd14 DB |
2427 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2428 | BPF_FUNC_skb_load_bytes), | |
2429 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, -8), | |
2430 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 8), | |
2431 | BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_6, 0), | |
3f2050e2 DB |
2432 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, |
2433 | offsetof(struct __sk_buff, mark)), | |
2434 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2, | |
2435 | offsetof(struct __sk_buff, priority)), | |
2436 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2), | |
2437 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3), | |
2438 | BPF_EXIT_INSN(), | |
2439 | }, | |
2440 | .result = ACCEPT, | |
2441 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2442 | }, | |
2443 | { | |
2444 | "raw_stack: skb_load_bytes, invalid access 1", | |
2445 | .insns = { | |
2446 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2447 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2448 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -513), | |
2449 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
2450 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
5aa5bd14 DB |
2451 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2452 | BPF_FUNC_skb_load_bytes), | |
3f2050e2 DB |
2453 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), |
2454 | BPF_EXIT_INSN(), | |
2455 | }, | |
2456 | .result = REJECT, | |
2457 | .errstr = "invalid stack type R3 off=-513 access_size=8", | |
2458 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2459 | }, | |
2460 | { | |
2461 | "raw_stack: skb_load_bytes, invalid access 2", | |
2462 | .insns = { | |
2463 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2464 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2465 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -1), | |
2466 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
2467 | BPF_MOV64_IMM(BPF_REG_4, 8), | |
5aa5bd14 DB |
2468 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2469 | BPF_FUNC_skb_load_bytes), | |
3f2050e2 DB |
2470 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), |
2471 | BPF_EXIT_INSN(), | |
2472 | }, | |
2473 | .result = REJECT, | |
2474 | .errstr = "invalid stack type R3 off=-1 access_size=8", | |
2475 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2476 | }, | |
2477 | { | |
2478 | "raw_stack: skb_load_bytes, invalid access 3", | |
2479 | .insns = { | |
2480 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2481 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2482 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 0xffffffff), | |
2483 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
2484 | BPF_MOV64_IMM(BPF_REG_4, 0xffffffff), | |
5aa5bd14 DB |
2485 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2486 | BPF_FUNC_skb_load_bytes), | |
3f2050e2 DB |
2487 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), |
2488 | BPF_EXIT_INSN(), | |
2489 | }, | |
2490 | .result = REJECT, | |
f65b1849 | 2491 | .errstr = "R4 min value is negative", |
3f2050e2 DB |
2492 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
2493 | }, | |
2494 | { | |
2495 | "raw_stack: skb_load_bytes, invalid access 4", | |
2496 | .insns = { | |
2497 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2498 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2499 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -1), | |
2500 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
2501 | BPF_MOV64_IMM(BPF_REG_4, 0x7fffffff), | |
5aa5bd14 DB |
2502 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2503 | BPF_FUNC_skb_load_bytes), | |
3f2050e2 DB |
2504 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), |
2505 | BPF_EXIT_INSN(), | |
2506 | }, | |
2507 | .result = REJECT, | |
f65b1849 | 2508 | .errstr = "R4 unbounded memory access, use 'var &= const' or 'if (var < const)'", |
3f2050e2 DB |
2509 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
2510 | }, | |
2511 | { | |
2512 | "raw_stack: skb_load_bytes, invalid access 5", | |
2513 | .insns = { | |
2514 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2515 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2516 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -512), | |
2517 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
2518 | BPF_MOV64_IMM(BPF_REG_4, 0x7fffffff), | |
5aa5bd14 DB |
2519 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2520 | BPF_FUNC_skb_load_bytes), | |
3f2050e2 DB |
2521 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), |
2522 | BPF_EXIT_INSN(), | |
2523 | }, | |
2524 | .result = REJECT, | |
f65b1849 | 2525 | .errstr = "R4 unbounded memory access, use 'var &= const' or 'if (var < const)'", |
3f2050e2 DB |
2526 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
2527 | }, | |
2528 | { | |
2529 | "raw_stack: skb_load_bytes, invalid access 6", | |
2530 | .insns = { | |
2531 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2532 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2533 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -512), | |
2534 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
2535 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5aa5bd14 DB |
2536 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2537 | BPF_FUNC_skb_load_bytes), | |
3f2050e2 DB |
2538 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), |
2539 | BPF_EXIT_INSN(), | |
2540 | }, | |
2541 | .result = REJECT, | |
2542 | .errstr = "invalid stack type R3 off=-512 access_size=0", | |
2543 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2544 | }, | |
2545 | { | |
2546 | "raw_stack: skb_load_bytes, large access", | |
2547 | .insns = { | |
2548 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
2549 | BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10), | |
2550 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -512), | |
2551 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
2552 | BPF_MOV64_IMM(BPF_REG_4, 512), | |
5aa5bd14 DB |
2553 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
2554 | BPF_FUNC_skb_load_bytes), | |
3f2050e2 DB |
2555 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0), |
2556 | BPF_EXIT_INSN(), | |
2557 | }, | |
2558 | .result = ACCEPT, | |
2559 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2560 | }, | |
883e44e4 | 2561 | { |
1633ac0a | 2562 | "direct packet access: test1", |
883e44e4 AS |
2563 | .insns = { |
2564 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2565 | offsetof(struct __sk_buff, data)), | |
2566 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2567 | offsetof(struct __sk_buff, data_end)), | |
2568 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2569 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
2570 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
2571 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
2572 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2573 | BPF_EXIT_INSN(), | |
2574 | }, | |
2575 | .result = ACCEPT, | |
2576 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2577 | }, | |
2578 | { | |
1633ac0a | 2579 | "direct packet access: test2", |
883e44e4 AS |
2580 | .insns = { |
2581 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
2582 | BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, | |
2583 | offsetof(struct __sk_buff, data_end)), | |
2584 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2585 | offsetof(struct __sk_buff, data)), | |
2586 | BPF_MOV64_REG(BPF_REG_5, BPF_REG_3), | |
2587 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 14), | |
2588 | BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_4, 15), | |
2589 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_3, 7), | |
2590 | BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_3, 12), | |
2591 | BPF_ALU64_IMM(BPF_MUL, BPF_REG_4, 14), | |
2592 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2593 | offsetof(struct __sk_buff, data)), | |
2594 | BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_4), | |
2595 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_1), | |
1f9ab38f EC |
2596 | BPF_ALU64_IMM(BPF_LSH, BPF_REG_2, 49), |
2597 | BPF_ALU64_IMM(BPF_RSH, BPF_REG_2, 49), | |
883e44e4 AS |
2598 | BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_2), |
2599 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_3), | |
2600 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8), | |
2601 | BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, | |
2602 | offsetof(struct __sk_buff, data_end)), | |
2603 | BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1), | |
2604 | BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_3, 4), | |
2605 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2606 | BPF_EXIT_INSN(), | |
2607 | }, | |
2608 | .result = ACCEPT, | |
2609 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2610 | }, | |
2611 | { | |
1633ac0a | 2612 | "direct packet access: test3", |
883e44e4 AS |
2613 | .insns = { |
2614 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2615 | offsetof(struct __sk_buff, data)), | |
2616 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2617 | BPF_EXIT_INSN(), | |
2618 | }, | |
2619 | .errstr = "invalid bpf_context access off=76", | |
2620 | .result = REJECT, | |
2621 | .prog_type = BPF_PROG_TYPE_SOCKET_FILTER, | |
2622 | }, | |
2623 | { | |
7d95b0ab | 2624 | "direct packet access: test4 (write)", |
883e44e4 AS |
2625 | .insns = { |
2626 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2627 | offsetof(struct __sk_buff, data)), | |
2628 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2629 | offsetof(struct __sk_buff, data_end)), | |
2630 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2631 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
2632 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
2633 | BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0), | |
2634 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2635 | BPF_EXIT_INSN(), | |
2636 | }, | |
7d95b0ab | 2637 | .result = ACCEPT, |
883e44e4 AS |
2638 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
2639 | }, | |
2d2be8ca DB |
2640 | { |
2641 | "direct packet access: test5 (pkt_end >= reg, good access)", | |
2642 | .insns = { | |
2643 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2644 | offsetof(struct __sk_buff, data)), | |
2645 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2646 | offsetof(struct __sk_buff, data_end)), | |
2647 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2648 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
2649 | BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 2), | |
2650 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
2651 | BPF_EXIT_INSN(), | |
2652 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
2653 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2654 | BPF_EXIT_INSN(), | |
2655 | }, | |
2656 | .result = ACCEPT, | |
2657 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2658 | }, | |
2659 | { | |
2660 | "direct packet access: test6 (pkt_end >= reg, bad access)", | |
2661 | .insns = { | |
2662 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2663 | offsetof(struct __sk_buff, data)), | |
2664 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2665 | offsetof(struct __sk_buff, data_end)), | |
2666 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2667 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
2668 | BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 3), | |
2669 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
2670 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
2671 | BPF_EXIT_INSN(), | |
2672 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2673 | BPF_EXIT_INSN(), | |
2674 | }, | |
2675 | .errstr = "invalid access to packet", | |
2676 | .result = REJECT, | |
2677 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2678 | }, | |
2679 | { | |
2680 | "direct packet access: test7 (pkt_end >= reg, both accesses)", | |
2681 | .insns = { | |
2682 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2683 | offsetof(struct __sk_buff, data)), | |
2684 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2685 | offsetof(struct __sk_buff, data_end)), | |
2686 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2687 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
2688 | BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 3), | |
2689 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
2690 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
2691 | BPF_EXIT_INSN(), | |
2692 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
2693 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2694 | BPF_EXIT_INSN(), | |
2695 | }, | |
2696 | .errstr = "invalid access to packet", | |
2697 | .result = REJECT, | |
2698 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2699 | }, | |
2700 | { | |
2701 | "direct packet access: test8 (double test, variant 1)", | |
2702 | .insns = { | |
2703 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2704 | offsetof(struct __sk_buff, data)), | |
2705 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2706 | offsetof(struct __sk_buff, data_end)), | |
2707 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2708 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
2709 | BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 4), | |
2710 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
2711 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
2712 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
2713 | BPF_EXIT_INSN(), | |
2714 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
2715 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2716 | BPF_EXIT_INSN(), | |
2717 | }, | |
2718 | .result = ACCEPT, | |
2719 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2720 | }, | |
2721 | { | |
2722 | "direct packet access: test9 (double test, variant 2)", | |
2723 | .insns = { | |
2724 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2725 | offsetof(struct __sk_buff, data)), | |
2726 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2727 | offsetof(struct __sk_buff, data_end)), | |
2728 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2729 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
2730 | BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 2), | |
2731 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
2732 | BPF_EXIT_INSN(), | |
2733 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
2734 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
2735 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
2736 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2737 | BPF_EXIT_INSN(), | |
2738 | }, | |
2739 | .result = ACCEPT, | |
2740 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2741 | }, | |
7d95b0ab DB |
2742 | { |
2743 | "direct packet access: test10 (write invalid)", | |
2744 | .insns = { | |
2745 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2746 | offsetof(struct __sk_buff, data)), | |
2747 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2748 | offsetof(struct __sk_buff, data_end)), | |
2749 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2750 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
2751 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2), | |
2752 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2753 | BPF_EXIT_INSN(), | |
2754 | BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0), | |
2755 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2756 | BPF_EXIT_INSN(), | |
2757 | }, | |
2758 | .errstr = "invalid access to packet", | |
2759 | .result = REJECT, | |
2760 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2761 | }, | |
3fadc801 DB |
2762 | { |
2763 | "direct packet access: test11 (shift, good access)", | |
2764 | .insns = { | |
2765 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2766 | offsetof(struct __sk_buff, data)), | |
2767 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2768 | offsetof(struct __sk_buff, data_end)), | |
2769 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2770 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22), | |
2771 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 8), | |
2772 | BPF_MOV64_IMM(BPF_REG_3, 144), | |
2773 | BPF_MOV64_REG(BPF_REG_5, BPF_REG_3), | |
2774 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 23), | |
2775 | BPF_ALU64_IMM(BPF_RSH, BPF_REG_5, 3), | |
2776 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_2), | |
2777 | BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5), | |
2778 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
2779 | BPF_EXIT_INSN(), | |
2780 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2781 | BPF_EXIT_INSN(), | |
2782 | }, | |
2783 | .result = ACCEPT, | |
2784 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2785 | }, | |
2786 | { | |
2787 | "direct packet access: test12 (and, good access)", | |
2788 | .insns = { | |
2789 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2790 | offsetof(struct __sk_buff, data)), | |
2791 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2792 | offsetof(struct __sk_buff, data_end)), | |
2793 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2794 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22), | |
2795 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 8), | |
2796 | BPF_MOV64_IMM(BPF_REG_3, 144), | |
2797 | BPF_MOV64_REG(BPF_REG_5, BPF_REG_3), | |
2798 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 23), | |
2799 | BPF_ALU64_IMM(BPF_AND, BPF_REG_5, 15), | |
2800 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_2), | |
2801 | BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5), | |
2802 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
2803 | BPF_EXIT_INSN(), | |
2804 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2805 | BPF_EXIT_INSN(), | |
2806 | }, | |
2807 | .result = ACCEPT, | |
2808 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2809 | }, | |
2810 | { | |
2811 | "direct packet access: test13 (branches, good access)", | |
2812 | .insns = { | |
2813 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2814 | offsetof(struct __sk_buff, data)), | |
2815 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2816 | offsetof(struct __sk_buff, data_end)), | |
2817 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2818 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22), | |
2819 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 13), | |
2820 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2821 | offsetof(struct __sk_buff, mark)), | |
2822 | BPF_MOV64_IMM(BPF_REG_4, 1), | |
2823 | BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_4, 2), | |
2824 | BPF_MOV64_IMM(BPF_REG_3, 14), | |
2825 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
2826 | BPF_MOV64_IMM(BPF_REG_3, 24), | |
2827 | BPF_MOV64_REG(BPF_REG_5, BPF_REG_3), | |
2828 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 23), | |
2829 | BPF_ALU64_IMM(BPF_AND, BPF_REG_5, 15), | |
2830 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_2), | |
2831 | BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5), | |
2832 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
2833 | BPF_EXIT_INSN(), | |
2834 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2835 | BPF_EXIT_INSN(), | |
2836 | }, | |
2837 | .result = ACCEPT, | |
2838 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2839 | }, | |
63dfef75 WT |
2840 | { |
2841 | "direct packet access: test14 (pkt_ptr += 0, CONST_IMM, good access)", | |
2842 | .insns = { | |
2843 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2844 | offsetof(struct __sk_buff, data)), | |
2845 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2846 | offsetof(struct __sk_buff, data_end)), | |
2847 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2848 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22), | |
2849 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 7), | |
2850 | BPF_MOV64_IMM(BPF_REG_5, 12), | |
2851 | BPF_ALU64_IMM(BPF_RSH, BPF_REG_5, 4), | |
2852 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_2), | |
2853 | BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5), | |
2854 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_6, 0), | |
2855 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
2856 | BPF_EXIT_INSN(), | |
2857 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2858 | BPF_EXIT_INSN(), | |
2859 | }, | |
2860 | .result = ACCEPT, | |
2861 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2862 | }, | |
02ea80b1 DB |
2863 | { |
2864 | "direct packet access: test15 (spill with xadd)", | |
2865 | .insns = { | |
2866 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2867 | offsetof(struct __sk_buff, data)), | |
2868 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2869 | offsetof(struct __sk_buff, data_end)), | |
2870 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2871 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
2872 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 8), | |
2873 | BPF_MOV64_IMM(BPF_REG_5, 4096), | |
2874 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_10), | |
2875 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8), | |
2876 | BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0), | |
2877 | BPF_STX_XADD(BPF_DW, BPF_REG_4, BPF_REG_5, 0), | |
2878 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_4, 0), | |
2879 | BPF_STX_MEM(BPF_W, BPF_REG_2, BPF_REG_5, 0), | |
2880 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2881 | BPF_EXIT_INSN(), | |
2882 | }, | |
2883 | .errstr = "R2 invalid mem access 'inv'", | |
2884 | .result = REJECT, | |
2885 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2886 | }, | |
728a853a DB |
2887 | { |
2888 | "direct packet access: test16 (arith on data_end)", | |
2889 | .insns = { | |
2890 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2891 | offsetof(struct __sk_buff, data)), | |
2892 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2893 | offsetof(struct __sk_buff, data_end)), | |
2894 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2895 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
2896 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 16), | |
2897 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
2898 | BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0), | |
2899 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2900 | BPF_EXIT_INSN(), | |
2901 | }, | |
2902 | .errstr = "invalid access to packet", | |
2903 | .result = REJECT, | |
2904 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2905 | }, | |
614d0d77 DB |
2906 | { |
2907 | "direct packet access: test17 (pruning, alignment)", | |
2908 | .insns = { | |
2909 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2910 | offsetof(struct __sk_buff, data)), | |
2911 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2912 | offsetof(struct __sk_buff, data_end)), | |
2913 | BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1, | |
2914 | offsetof(struct __sk_buff, mark)), | |
2915 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2916 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 14), | |
2917 | BPF_JMP_IMM(BPF_JGT, BPF_REG_7, 1, 4), | |
2918 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
2919 | BPF_STX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, -4), | |
2920 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2921 | BPF_EXIT_INSN(), | |
2922 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), | |
2923 | BPF_JMP_A(-6), | |
2924 | }, | |
f65b1849 | 2925 | .errstr = "misaligned packet access off 2+(0x0; 0x0)+15+-4 size 4", |
614d0d77 DB |
2926 | .result = REJECT, |
2927 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2928 | .flags = F_LOAD_WITH_STRICT_ALIGNMENT, | |
2929 | }, | |
6d191ed4 DB |
2930 | { |
2931 | "direct packet access: test18 (imm += pkt_ptr, 1)", | |
2932 | .insns = { | |
2933 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2934 | offsetof(struct __sk_buff, data)), | |
2935 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2936 | offsetof(struct __sk_buff, data_end)), | |
2937 | BPF_MOV64_IMM(BPF_REG_0, 8), | |
2938 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2), | |
2939 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
2940 | BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0), | |
2941 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2942 | BPF_EXIT_INSN(), | |
2943 | }, | |
2944 | .result = ACCEPT, | |
2945 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2946 | }, | |
2947 | { | |
2948 | "direct packet access: test19 (imm += pkt_ptr, 2)", | |
2949 | .insns = { | |
2950 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2951 | offsetof(struct __sk_buff, data)), | |
2952 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2953 | offsetof(struct __sk_buff, data_end)), | |
2954 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2955 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
2956 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3), | |
2957 | BPF_MOV64_IMM(BPF_REG_4, 4), | |
2958 | BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2), | |
2959 | BPF_STX_MEM(BPF_B, BPF_REG_4, BPF_REG_4, 0), | |
2960 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2961 | BPF_EXIT_INSN(), | |
2962 | }, | |
2963 | .result = ACCEPT, | |
2964 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2965 | }, | |
2966 | { | |
2967 | "direct packet access: test20 (x += pkt_ptr, 1)", | |
2968 | .insns = { | |
2969 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2970 | offsetof(struct __sk_buff, data)), | |
2971 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2972 | offsetof(struct __sk_buff, data_end)), | |
2973 | BPF_MOV64_IMM(BPF_REG_0, 0xffffffff), | |
2974 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8), | |
2975 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8), | |
1f9ab38f | 2976 | BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 0x7fff), |
6d191ed4 DB |
2977 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_0), |
2978 | BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2), | |
2979 | BPF_MOV64_REG(BPF_REG_5, BPF_REG_4), | |
1f9ab38f | 2980 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0x7fff - 1), |
6d191ed4 DB |
2981 | BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1), |
2982 | BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_4, 0), | |
2983 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2984 | BPF_EXIT_INSN(), | |
2985 | }, | |
2986 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
2987 | .result = ACCEPT, | |
2988 | }, | |
2989 | { | |
2990 | "direct packet access: test21 (x += pkt_ptr, 2)", | |
2991 | .insns = { | |
2992 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
2993 | offsetof(struct __sk_buff, data)), | |
2994 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
2995 | offsetof(struct __sk_buff, data_end)), | |
2996 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
2997 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
2998 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 9), | |
2999 | BPF_MOV64_IMM(BPF_REG_4, 0xffffffff), | |
3000 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_4, -8), | |
3001 | BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8), | |
1f9ab38f | 3002 | BPF_ALU64_IMM(BPF_AND, BPF_REG_4, 0x7fff), |
6d191ed4 DB |
3003 | BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2), |
3004 | BPF_MOV64_REG(BPF_REG_5, BPF_REG_4), | |
1f9ab38f | 3005 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0x7fff - 1), |
6d191ed4 DB |
3006 | BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1), |
3007 | BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_4, 0), | |
3008 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
3009 | BPF_EXIT_INSN(), | |
3010 | }, | |
3011 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3012 | .result = ACCEPT, | |
3013 | }, | |
3014 | { | |
3015 | "direct packet access: test22 (x += pkt_ptr, 3)", | |
3016 | .insns = { | |
3017 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3018 | offsetof(struct __sk_buff, data)), | |
3019 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
3020 | offsetof(struct __sk_buff, data_end)), | |
3021 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
3022 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
3023 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -8), | |
3024 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_3, -16), | |
3025 | BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_10, -16), | |
3026 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 11), | |
3027 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -8), | |
3028 | BPF_MOV64_IMM(BPF_REG_4, 0xffffffff), | |
3029 | BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_4, -8), | |
3030 | BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8), | |
1f9ab38f | 3031 | BPF_ALU64_IMM(BPF_RSH, BPF_REG_4, 49), |
6d191ed4 DB |
3032 | BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2), |
3033 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_4), | |
3034 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 2), | |
3035 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2), | |
3036 | BPF_MOV64_IMM(BPF_REG_2, 1), | |
3037 | BPF_STX_MEM(BPF_H, BPF_REG_4, BPF_REG_2, 0), | |
3038 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
3039 | BPF_EXIT_INSN(), | |
3040 | }, | |
3041 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3042 | .result = ACCEPT, | |
3043 | }, | |
3044 | { | |
3045 | "direct packet access: test23 (x += pkt_ptr, 4)", | |
3046 | .insns = { | |
3047 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3048 | offsetof(struct __sk_buff, data)), | |
3049 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
3050 | offsetof(struct __sk_buff, data_end)), | |
3051 | BPF_MOV64_IMM(BPF_REG_0, 0xffffffff), | |
3052 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8), | |
3053 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8), | |
3054 | BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 0xffff), | |
3055 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_0), | |
3056 | BPF_MOV64_IMM(BPF_REG_0, 31), | |
3057 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4), | |
3058 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2), | |
3059 | BPF_MOV64_REG(BPF_REG_5, BPF_REG_0), | |
3060 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0xffff - 1), | |
3061 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
3062 | BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_0, 0), | |
3063 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
3064 | BPF_EXIT_INSN(), | |
3065 | }, | |
3066 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3067 | .result = REJECT, | |
f65b1849 | 3068 | .errstr = "invalid access to packet, off=0 size=8, R5(id=1,off=0,r=0)", |
6d191ed4 DB |
3069 | }, |
3070 | { | |
3071 | "direct packet access: test24 (x += pkt_ptr, 5)", | |
3072 | .insns = { | |
3073 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3074 | offsetof(struct __sk_buff, data)), | |
3075 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
3076 | offsetof(struct __sk_buff, data_end)), | |
3077 | BPF_MOV64_IMM(BPF_REG_0, 0xffffffff), | |
3078 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8), | |
3079 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8), | |
3080 | BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 0xff), | |
3081 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_0), | |
3082 | BPF_MOV64_IMM(BPF_REG_0, 64), | |
3083 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4), | |
3084 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2), | |
3085 | BPF_MOV64_REG(BPF_REG_5, BPF_REG_0), | |
1f9ab38f | 3086 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x7fff - 1), |
6d191ed4 DB |
3087 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), |
3088 | BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_0, 0), | |
3089 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
3090 | BPF_EXIT_INSN(), | |
3091 | }, | |
3092 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3093 | .result = ACCEPT, | |
3094 | }, | |
31e482bf DB |
3095 | { |
3096 | "direct packet access: test25 (marking on <, good access)", | |
3097 | .insns = { | |
3098 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3099 | offsetof(struct __sk_buff, data)), | |
3100 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
3101 | offsetof(struct __sk_buff, data_end)), | |
3102 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
3103 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
3104 | BPF_JMP_REG(BPF_JLT, BPF_REG_0, BPF_REG_3, 2), | |
3105 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
3106 | BPF_EXIT_INSN(), | |
3107 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
3108 | BPF_JMP_IMM(BPF_JA, 0, 0, -4), | |
3109 | }, | |
3110 | .result = ACCEPT, | |
3111 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3112 | }, | |
3113 | { | |
3114 | "direct packet access: test26 (marking on <, bad access)", | |
3115 | .insns = { | |
3116 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3117 | offsetof(struct __sk_buff, data)), | |
3118 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
3119 | offsetof(struct __sk_buff, data_end)), | |
3120 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
3121 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
3122 | BPF_JMP_REG(BPF_JLT, BPF_REG_0, BPF_REG_3, 3), | |
3123 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
3124 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
3125 | BPF_EXIT_INSN(), | |
3126 | BPF_JMP_IMM(BPF_JA, 0, 0, -3), | |
3127 | }, | |
3128 | .result = REJECT, | |
3129 | .errstr = "invalid access to packet", | |
3130 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3131 | }, | |
3132 | { | |
3133 | "direct packet access: test27 (marking on <=, good access)", | |
3134 | .insns = { | |
3135 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3136 | offsetof(struct __sk_buff, data)), | |
3137 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
3138 | offsetof(struct __sk_buff, data_end)), | |
3139 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
3140 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
3141 | BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_0, 1), | |
3142 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
3143 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
3144 | BPF_EXIT_INSN(), | |
3145 | }, | |
3146 | .result = ACCEPT, | |
3147 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3148 | }, | |
3149 | { | |
3150 | "direct packet access: test28 (marking on <=, bad access)", | |
3151 | .insns = { | |
3152 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3153 | offsetof(struct __sk_buff, data)), | |
3154 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
3155 | offsetof(struct __sk_buff, data_end)), | |
3156 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
3157 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
3158 | BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_0, 2), | |
3159 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
3160 | BPF_EXIT_INSN(), | |
3161 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
3162 | BPF_JMP_IMM(BPF_JA, 0, 0, -4), | |
3163 | }, | |
3164 | .result = REJECT, | |
3165 | .errstr = "invalid access to packet", | |
3166 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3167 | }, | |
1633ac0a AY |
3168 | { |
3169 | "helper access to packet: test1, valid packet_ptr range", | |
3170 | .insns = { | |
3171 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3172 | offsetof(struct xdp_md, data)), | |
3173 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
3174 | offsetof(struct xdp_md, data_end)), | |
3175 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
3176 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
3177 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 5), | |
3178 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
3179 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_2), | |
3180 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5aa5bd14 DB |
3181 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3182 | BPF_FUNC_map_update_elem), | |
1633ac0a AY |
3183 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3184 | BPF_EXIT_INSN(), | |
3185 | }, | |
5aa5bd14 | 3186 | .fixup_map1 = { 5 }, |
1633ac0a AY |
3187 | .result_unpriv = ACCEPT, |
3188 | .result = ACCEPT, | |
3189 | .prog_type = BPF_PROG_TYPE_XDP, | |
3190 | }, | |
3191 | { | |
3192 | "helper access to packet: test2, unchecked packet_ptr", | |
3193 | .insns = { | |
3194 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3195 | offsetof(struct xdp_md, data)), | |
3196 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3197 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3198 | BPF_FUNC_map_lookup_elem), | |
1633ac0a AY |
3199 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3200 | BPF_EXIT_INSN(), | |
3201 | }, | |
5aa5bd14 | 3202 | .fixup_map1 = { 1 }, |
1633ac0a AY |
3203 | .result = REJECT, |
3204 | .errstr = "invalid access to packet", | |
3205 | .prog_type = BPF_PROG_TYPE_XDP, | |
3206 | }, | |
3207 | { | |
3208 | "helper access to packet: test3, variable add", | |
3209 | .insns = { | |
3210 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3211 | offsetof(struct xdp_md, data)), | |
3212 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
3213 | offsetof(struct xdp_md, data_end)), | |
3214 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), | |
3215 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8), | |
3216 | BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 10), | |
3217 | BPF_LDX_MEM(BPF_B, BPF_REG_5, BPF_REG_2, 0), | |
3218 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), | |
3219 | BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_5), | |
3220 | BPF_MOV64_REG(BPF_REG_5, BPF_REG_4), | |
3221 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 8), | |
3222 | BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_3, 4), | |
3223 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
3224 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_4), | |
5aa5bd14 DB |
3225 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3226 | BPF_FUNC_map_lookup_elem), | |
1633ac0a AY |
3227 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3228 | BPF_EXIT_INSN(), | |
3229 | }, | |
5aa5bd14 | 3230 | .fixup_map1 = { 11 }, |
1633ac0a AY |
3231 | .result = ACCEPT, |
3232 | .prog_type = BPF_PROG_TYPE_XDP, | |
3233 | }, | |
3234 | { | |
3235 | "helper access to packet: test4, packet_ptr with bad range", | |
3236 | .insns = { | |
3237 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3238 | offsetof(struct xdp_md, data)), | |
3239 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
3240 | offsetof(struct xdp_md, data_end)), | |
3241 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), | |
3242 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4), | |
3243 | BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 2), | |
3244 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
3245 | BPF_EXIT_INSN(), | |
3246 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3247 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3248 | BPF_FUNC_map_lookup_elem), | |
1633ac0a AY |
3249 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3250 | BPF_EXIT_INSN(), | |
3251 | }, | |
5aa5bd14 | 3252 | .fixup_map1 = { 7 }, |
1633ac0a AY |
3253 | .result = REJECT, |
3254 | .errstr = "invalid access to packet", | |
3255 | .prog_type = BPF_PROG_TYPE_XDP, | |
3256 | }, | |
3257 | { | |
3258 | "helper access to packet: test5, packet_ptr with too short range", | |
3259 | .insns = { | |
3260 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3261 | offsetof(struct xdp_md, data)), | |
3262 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
3263 | offsetof(struct xdp_md, data_end)), | |
3264 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), | |
3265 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), | |
3266 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 7), | |
3267 | BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 3), | |
3268 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3269 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3270 | BPF_FUNC_map_lookup_elem), | |
1633ac0a AY |
3271 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3272 | BPF_EXIT_INSN(), | |
3273 | }, | |
5aa5bd14 | 3274 | .fixup_map1 = { 6 }, |
1633ac0a AY |
3275 | .result = REJECT, |
3276 | .errstr = "invalid access to packet", | |
3277 | .prog_type = BPF_PROG_TYPE_XDP, | |
3278 | }, | |
7d95b0ab DB |
3279 | { |
3280 | "helper access to packet: test6, cls valid packet_ptr range", | |
3281 | .insns = { | |
3282 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3283 | offsetof(struct __sk_buff, data)), | |
3284 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
3285 | offsetof(struct __sk_buff, data_end)), | |
3286 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
3287 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
3288 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 5), | |
3289 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
3290 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_2), | |
3291 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5aa5bd14 DB |
3292 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3293 | BPF_FUNC_map_update_elem), | |
7d95b0ab DB |
3294 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3295 | BPF_EXIT_INSN(), | |
3296 | }, | |
5aa5bd14 | 3297 | .fixup_map1 = { 5 }, |
7d95b0ab DB |
3298 | .result = ACCEPT, |
3299 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3300 | }, | |
3301 | { | |
3302 | "helper access to packet: test7, cls unchecked packet_ptr", | |
3303 | .insns = { | |
3304 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3305 | offsetof(struct __sk_buff, data)), | |
3306 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3307 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3308 | BPF_FUNC_map_lookup_elem), | |
7d95b0ab DB |
3309 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3310 | BPF_EXIT_INSN(), | |
3311 | }, | |
5aa5bd14 | 3312 | .fixup_map1 = { 1 }, |
7d95b0ab DB |
3313 | .result = REJECT, |
3314 | .errstr = "invalid access to packet", | |
3315 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3316 | }, | |
3317 | { | |
3318 | "helper access to packet: test8, cls variable add", | |
3319 | .insns = { | |
3320 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3321 | offsetof(struct __sk_buff, data)), | |
3322 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
3323 | offsetof(struct __sk_buff, data_end)), | |
3324 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), | |
3325 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8), | |
3326 | BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 10), | |
3327 | BPF_LDX_MEM(BPF_B, BPF_REG_5, BPF_REG_2, 0), | |
3328 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), | |
3329 | BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_5), | |
3330 | BPF_MOV64_REG(BPF_REG_5, BPF_REG_4), | |
3331 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 8), | |
3332 | BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_3, 4), | |
3333 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
3334 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_4), | |
5aa5bd14 DB |
3335 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3336 | BPF_FUNC_map_lookup_elem), | |
7d95b0ab DB |
3337 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3338 | BPF_EXIT_INSN(), | |
3339 | }, | |
5aa5bd14 | 3340 | .fixup_map1 = { 11 }, |
7d95b0ab DB |
3341 | .result = ACCEPT, |
3342 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3343 | }, | |
3344 | { | |
3345 | "helper access to packet: test9, cls packet_ptr with bad range", | |
3346 | .insns = { | |
3347 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3348 | offsetof(struct __sk_buff, data)), | |
3349 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
3350 | offsetof(struct __sk_buff, data_end)), | |
3351 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), | |
3352 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4), | |
3353 | BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 2), | |
3354 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
3355 | BPF_EXIT_INSN(), | |
3356 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3357 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3358 | BPF_FUNC_map_lookup_elem), | |
7d95b0ab DB |
3359 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3360 | BPF_EXIT_INSN(), | |
3361 | }, | |
5aa5bd14 | 3362 | .fixup_map1 = { 7 }, |
7d95b0ab DB |
3363 | .result = REJECT, |
3364 | .errstr = "invalid access to packet", | |
3365 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3366 | }, | |
3367 | { | |
3368 | "helper access to packet: test10, cls packet_ptr with too short range", | |
3369 | .insns = { | |
3370 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
3371 | offsetof(struct __sk_buff, data)), | |
3372 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
3373 | offsetof(struct __sk_buff, data_end)), | |
3374 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), | |
3375 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), | |
3376 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 7), | |
3377 | BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 3), | |
3378 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3379 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3380 | BPF_FUNC_map_lookup_elem), | |
7d95b0ab DB |
3381 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3382 | BPF_EXIT_INSN(), | |
3383 | }, | |
5aa5bd14 | 3384 | .fixup_map1 = { 6 }, |
7d95b0ab DB |
3385 | .result = REJECT, |
3386 | .errstr = "invalid access to packet", | |
3387 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3388 | }, | |
3389 | { | |
3390 | "helper access to packet: test11, cls unsuitable helper 1", | |
3391 | .insns = { | |
3392 | BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, | |
3393 | offsetof(struct __sk_buff, data)), | |
3394 | BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1, | |
3395 | offsetof(struct __sk_buff, data_end)), | |
3396 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1), | |
3397 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
3398 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 7), | |
3399 | BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_7, 4), | |
3400 | BPF_MOV64_IMM(BPF_REG_2, 0), | |
3401 | BPF_MOV64_IMM(BPF_REG_4, 42), | |
3402 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5aa5bd14 DB |
3403 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3404 | BPF_FUNC_skb_store_bytes), | |
7d95b0ab DB |
3405 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3406 | BPF_EXIT_INSN(), | |
3407 | }, | |
3408 | .result = REJECT, | |
3409 | .errstr = "helper access to the packet", | |
3410 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3411 | }, | |
3412 | { | |
3413 | "helper access to packet: test12, cls unsuitable helper 2", | |
3414 | .insns = { | |
3415 | BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, | |
3416 | offsetof(struct __sk_buff, data)), | |
3417 | BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1, | |
3418 | offsetof(struct __sk_buff, data_end)), | |
3419 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_6), | |
3420 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 8), | |
3421 | BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_7, 3), | |
3422 | BPF_MOV64_IMM(BPF_REG_2, 0), | |
3423 | BPF_MOV64_IMM(BPF_REG_4, 4), | |
5aa5bd14 DB |
3424 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3425 | BPF_FUNC_skb_load_bytes), | |
7d95b0ab DB |
3426 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3427 | BPF_EXIT_INSN(), | |
3428 | }, | |
3429 | .result = REJECT, | |
3430 | .errstr = "helper access to the packet", | |
3431 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3432 | }, | |
3433 | { | |
3434 | "helper access to packet: test13, cls helper ok", | |
3435 | .insns = { | |
3436 | BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, | |
3437 | offsetof(struct __sk_buff, data)), | |
3438 | BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1, | |
3439 | offsetof(struct __sk_buff, data_end)), | |
3440 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1), | |
3441 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), | |
3442 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), | |
3443 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6), | |
3444 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), | |
3445 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
3446 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
3447 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
3448 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5aa5bd14 DB |
3449 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3450 | BPF_FUNC_csum_diff), | |
7d95b0ab DB |
3451 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3452 | BPF_EXIT_INSN(), | |
3453 | }, | |
3454 | .result = ACCEPT, | |
3455 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3456 | }, | |
3457 | { | |
f65b1849 | 3458 | "helper access to packet: test14, cls helper ok sub", |
7d95b0ab DB |
3459 | .insns = { |
3460 | BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, | |
3461 | offsetof(struct __sk_buff, data)), | |
3462 | BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1, | |
3463 | offsetof(struct __sk_buff, data_end)), | |
3464 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1), | |
3465 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), | |
3466 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), | |
3467 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6), | |
3468 | BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 4), | |
3469 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
3470 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
3471 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
3472 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5aa5bd14 DB |
3473 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3474 | BPF_FUNC_csum_diff), | |
7d95b0ab DB |
3475 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3476 | BPF_EXIT_INSN(), | |
3477 | }, | |
f65b1849 EC |
3478 | .result = ACCEPT, |
3479 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3480 | }, | |
3481 | { | |
3482 | "helper access to packet: test15, cls helper fail sub", | |
3483 | .insns = { | |
3484 | BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, | |
3485 | offsetof(struct __sk_buff, data)), | |
3486 | BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1, | |
3487 | offsetof(struct __sk_buff, data_end)), | |
3488 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1), | |
3489 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), | |
3490 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), | |
3491 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6), | |
3492 | BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 12), | |
3493 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
3494 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
3495 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
3496 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
3497 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
3498 | BPF_FUNC_csum_diff), | |
3499 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
3500 | BPF_EXIT_INSN(), | |
3501 | }, | |
7d95b0ab | 3502 | .result = REJECT, |
f65b1849 | 3503 | .errstr = "invalid access to packet", |
7d95b0ab DB |
3504 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
3505 | }, | |
3506 | { | |
f65b1849 | 3507 | "helper access to packet: test16, cls helper fail range 1", |
7d95b0ab DB |
3508 | .insns = { |
3509 | BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, | |
3510 | offsetof(struct __sk_buff, data)), | |
3511 | BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1, | |
3512 | offsetof(struct __sk_buff, data_end)), | |
3513 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1), | |
3514 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), | |
3515 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), | |
3516 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6), | |
3517 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), | |
3518 | BPF_MOV64_IMM(BPF_REG_2, 8), | |
3519 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
3520 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
3521 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5aa5bd14 DB |
3522 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3523 | BPF_FUNC_csum_diff), | |
7d95b0ab DB |
3524 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3525 | BPF_EXIT_INSN(), | |
3526 | }, | |
3527 | .result = REJECT, | |
3528 | .errstr = "invalid access to packet", | |
3529 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3530 | }, | |
3531 | { | |
f65b1849 | 3532 | "helper access to packet: test17, cls helper fail range 2", |
7d95b0ab DB |
3533 | .insns = { |
3534 | BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, | |
3535 | offsetof(struct __sk_buff, data)), | |
3536 | BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1, | |
3537 | offsetof(struct __sk_buff, data_end)), | |
3538 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1), | |
3539 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), | |
3540 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), | |
3541 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6), | |
3542 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), | |
3543 | BPF_MOV64_IMM(BPF_REG_2, -9), | |
3544 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
3545 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
3546 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5aa5bd14 DB |
3547 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3548 | BPF_FUNC_csum_diff), | |
7d95b0ab DB |
3549 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3550 | BPF_EXIT_INSN(), | |
3551 | }, | |
3552 | .result = REJECT, | |
f65b1849 | 3553 | .errstr = "R2 min value is negative", |
7d95b0ab DB |
3554 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
3555 | }, | |
3556 | { | |
f65b1849 | 3557 | "helper access to packet: test18, cls helper fail range 3", |
7d95b0ab DB |
3558 | .insns = { |
3559 | BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, | |
3560 | offsetof(struct __sk_buff, data)), | |
3561 | BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1, | |
3562 | offsetof(struct __sk_buff, data_end)), | |
3563 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1), | |
3564 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), | |
3565 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), | |
3566 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6), | |
3567 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), | |
3568 | BPF_MOV64_IMM(BPF_REG_2, ~0), | |
3569 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
3570 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
3571 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5aa5bd14 DB |
3572 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3573 | BPF_FUNC_csum_diff), | |
7d95b0ab DB |
3574 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3575 | BPF_EXIT_INSN(), | |
3576 | }, | |
3577 | .result = REJECT, | |
f65b1849 | 3578 | .errstr = "R2 min value is negative", |
7d95b0ab DB |
3579 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
3580 | }, | |
3581 | { | |
b6ff6391 | 3582 | "helper access to packet: test19, cls helper range zero", |
7d95b0ab DB |
3583 | .insns = { |
3584 | BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, | |
3585 | offsetof(struct __sk_buff, data)), | |
3586 | BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1, | |
3587 | offsetof(struct __sk_buff, data_end)), | |
3588 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1), | |
3589 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), | |
3590 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), | |
3591 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6), | |
3592 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), | |
3593 | BPF_MOV64_IMM(BPF_REG_2, 0), | |
3594 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
3595 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
3596 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5aa5bd14 DB |
3597 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3598 | BPF_FUNC_csum_diff), | |
7d95b0ab DB |
3599 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3600 | BPF_EXIT_INSN(), | |
3601 | }, | |
b6ff6391 | 3602 | .result = ACCEPT, |
7d95b0ab DB |
3603 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
3604 | }, | |
3605 | { | |
f65b1849 | 3606 | "helper access to packet: test20, pkt end as input", |
7d95b0ab DB |
3607 | .insns = { |
3608 | BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, | |
3609 | offsetof(struct __sk_buff, data)), | |
3610 | BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1, | |
3611 | offsetof(struct __sk_buff, data_end)), | |
3612 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1), | |
3613 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), | |
3614 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), | |
3615 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6), | |
3616 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_7), | |
3617 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
3618 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
3619 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
3620 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5aa5bd14 DB |
3621 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3622 | BPF_FUNC_csum_diff), | |
7d95b0ab DB |
3623 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3624 | BPF_EXIT_INSN(), | |
3625 | }, | |
3626 | .result = REJECT, | |
3627 | .errstr = "R1 type=pkt_end expected=fp", | |
3628 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3629 | }, | |
3630 | { | |
f65b1849 | 3631 | "helper access to packet: test21, wrong reg", |
7d95b0ab DB |
3632 | .insns = { |
3633 | BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, | |
3634 | offsetof(struct __sk_buff, data)), | |
3635 | BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1, | |
3636 | offsetof(struct __sk_buff, data_end)), | |
3637 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1), | |
3638 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), | |
3639 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), | |
3640 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6), | |
3641 | BPF_MOV64_IMM(BPF_REG_2, 4), | |
3642 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
3643 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
3644 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5aa5bd14 DB |
3645 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3646 | BPF_FUNC_csum_diff), | |
7d95b0ab DB |
3647 | BPF_MOV64_IMM(BPF_REG_0, 0), |
3648 | BPF_EXIT_INSN(), | |
3649 | }, | |
3650 | .result = REJECT, | |
3651 | .errstr = "invalid access to packet", | |
3652 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
3653 | }, | |
48461135 JB |
3654 | { |
3655 | "valid map access into an array with a constant", | |
3656 | .insns = { | |
3657 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
3658 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3659 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3660 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3661 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3662 | BPF_FUNC_map_lookup_elem), | |
48461135 | 3663 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1), |
5aa5bd14 DB |
3664 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, |
3665 | offsetof(struct test_val, foo)), | |
48461135 JB |
3666 | BPF_EXIT_INSN(), |
3667 | }, | |
5aa5bd14 | 3668 | .fixup_map2 = { 3 }, |
48461135 JB |
3669 | .errstr_unpriv = "R0 leaks addr", |
3670 | .result_unpriv = REJECT, | |
3671 | .result = ACCEPT, | |
3672 | }, | |
3673 | { | |
3674 | "valid map access into an array with a register", | |
3675 | .insns = { | |
3676 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
3677 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3678 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3679 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3680 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3681 | BPF_FUNC_map_lookup_elem), | |
48461135 JB |
3682 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), |
3683 | BPF_MOV64_IMM(BPF_REG_1, 4), | |
3684 | BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2), | |
3685 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
5aa5bd14 DB |
3686 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, |
3687 | offsetof(struct test_val, foo)), | |
48461135 JB |
3688 | BPF_EXIT_INSN(), |
3689 | }, | |
5aa5bd14 | 3690 | .fixup_map2 = { 3 }, |
f65b1849 | 3691 | .errstr_unpriv = "R0 leaks addr", |
48461135 JB |
3692 | .result_unpriv = REJECT, |
3693 | .result = ACCEPT, | |
02ea80b1 | 3694 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
48461135 JB |
3695 | }, |
3696 | { | |
3697 | "valid map access into an array with a variable", | |
3698 | .insns = { | |
3699 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
3700 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3701 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3702 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3703 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3704 | BPF_FUNC_map_lookup_elem), | |
48461135 JB |
3705 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5), |
3706 | BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), | |
3707 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, MAX_ENTRIES, 3), | |
3708 | BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2), | |
3709 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
5aa5bd14 DB |
3710 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, |
3711 | offsetof(struct test_val, foo)), | |
48461135 JB |
3712 | BPF_EXIT_INSN(), |
3713 | }, | |
5aa5bd14 | 3714 | .fixup_map2 = { 3 }, |
f65b1849 | 3715 | .errstr_unpriv = "R0 leaks addr", |
48461135 JB |
3716 | .result_unpriv = REJECT, |
3717 | .result = ACCEPT, | |
02ea80b1 | 3718 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
48461135 JB |
3719 | }, |
3720 | { | |
3721 | "valid map access into an array with a signed variable", | |
3722 | .insns = { | |
3723 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
3724 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3725 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3726 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3727 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3728 | BPF_FUNC_map_lookup_elem), | |
48461135 JB |
3729 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), |
3730 | BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), | |
3731 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 0xffffffff, 1), | |
3732 | BPF_MOV32_IMM(BPF_REG_1, 0), | |
3733 | BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES), | |
3734 | BPF_JMP_REG(BPF_JSGT, BPF_REG_2, BPF_REG_1, 1), | |
3735 | BPF_MOV32_IMM(BPF_REG_1, 0), | |
3736 | BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2), | |
3737 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
5aa5bd14 DB |
3738 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, |
3739 | offsetof(struct test_val, foo)), | |
48461135 JB |
3740 | BPF_EXIT_INSN(), |
3741 | }, | |
5aa5bd14 | 3742 | .fixup_map2 = { 3 }, |
f65b1849 | 3743 | .errstr_unpriv = "R0 leaks addr", |
48461135 JB |
3744 | .result_unpriv = REJECT, |
3745 | .result = ACCEPT, | |
02ea80b1 | 3746 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
48461135 JB |
3747 | }, |
3748 | { | |
3749 | "invalid map access into an array with a constant", | |
3750 | .insns = { | |
3751 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
3752 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3753 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3754 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3755 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3756 | BPF_FUNC_map_lookup_elem), | |
48461135 JB |
3757 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1), |
3758 | BPF_ST_MEM(BPF_DW, BPF_REG_0, (MAX_ENTRIES + 1) << 2, | |
3759 | offsetof(struct test_val, foo)), | |
3760 | BPF_EXIT_INSN(), | |
3761 | }, | |
5aa5bd14 | 3762 | .fixup_map2 = { 3 }, |
48461135 JB |
3763 | .errstr = "invalid access to map value, value_size=48 off=48 size=8", |
3764 | .result = REJECT, | |
3765 | }, | |
3766 | { | |
3767 | "invalid map access into an array with a register", | |
3768 | .insns = { | |
3769 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
3770 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3771 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3772 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3773 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3774 | BPF_FUNC_map_lookup_elem), | |
48461135 JB |
3775 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), |
3776 | BPF_MOV64_IMM(BPF_REG_1, MAX_ENTRIES + 1), | |
3777 | BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2), | |
3778 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
5aa5bd14 DB |
3779 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, |
3780 | offsetof(struct test_val, foo)), | |
48461135 JB |
3781 | BPF_EXIT_INSN(), |
3782 | }, | |
5aa5bd14 | 3783 | .fixup_map2 = { 3 }, |
48461135 JB |
3784 | .errstr = "R0 min value is outside of the array range", |
3785 | .result = REJECT, | |
02ea80b1 | 3786 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
48461135 JB |
3787 | }, |
3788 | { | |
3789 | "invalid map access into an array with a variable", | |
3790 | .insns = { | |
3791 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
3792 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3793 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3794 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3795 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3796 | BPF_FUNC_map_lookup_elem), | |
48461135 JB |
3797 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), |
3798 | BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), | |
3799 | BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2), | |
3800 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
5aa5bd14 DB |
3801 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, |
3802 | offsetof(struct test_val, foo)), | |
48461135 JB |
3803 | BPF_EXIT_INSN(), |
3804 | }, | |
5aa5bd14 | 3805 | .fixup_map2 = { 3 }, |
f65b1849 | 3806 | .errstr = "R0 unbounded memory access, make sure to bounds check any array access into a map", |
48461135 | 3807 | .result = REJECT, |
02ea80b1 | 3808 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
48461135 JB |
3809 | }, |
3810 | { | |
3811 | "invalid map access into an array with no floor check", | |
3812 | .insns = { | |
3813 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
3814 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3815 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3816 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3817 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3818 | BPF_FUNC_map_lookup_elem), | |
48461135 | 3819 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), |
f65b1849 | 3820 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0), |
48461135 JB |
3821 | BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES), |
3822 | BPF_JMP_REG(BPF_JSGT, BPF_REG_2, BPF_REG_1, 1), | |
3823 | BPF_MOV32_IMM(BPF_REG_1, 0), | |
3824 | BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2), | |
3825 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
5aa5bd14 DB |
3826 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, |
3827 | offsetof(struct test_val, foo)), | |
48461135 JB |
3828 | BPF_EXIT_INSN(), |
3829 | }, | |
5aa5bd14 | 3830 | .fixup_map2 = { 3 }, |
f65b1849 EC |
3831 | .errstr_unpriv = "R0 leaks addr", |
3832 | .errstr = "R0 unbounded memory access", | |
5aa5bd14 | 3833 | .result_unpriv = REJECT, |
48461135 | 3834 | .result = REJECT, |
02ea80b1 | 3835 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
48461135 JB |
3836 | }, |
3837 | { | |
3838 | "invalid map access into an array with a invalid max check", | |
3839 | .insns = { | |
3840 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
3841 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3842 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3843 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3844 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3845 | BPF_FUNC_map_lookup_elem), | |
48461135 JB |
3846 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), |
3847 | BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), | |
3848 | BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES + 1), | |
3849 | BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1), | |
3850 | BPF_MOV32_IMM(BPF_REG_1, 0), | |
3851 | BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2), | |
3852 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
5aa5bd14 DB |
3853 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, |
3854 | offsetof(struct test_val, foo)), | |
48461135 JB |
3855 | BPF_EXIT_INSN(), |
3856 | }, | |
5aa5bd14 | 3857 | .fixup_map2 = { 3 }, |
f65b1849 | 3858 | .errstr_unpriv = "R0 leaks addr", |
48461135 | 3859 | .errstr = "invalid access to map value, value_size=48 off=44 size=8", |
5aa5bd14 | 3860 | .result_unpriv = REJECT, |
48461135 | 3861 | .result = REJECT, |
02ea80b1 | 3862 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
48461135 JB |
3863 | }, |
3864 | { | |
3865 | "invalid map access into an array with a invalid max check", | |
3866 | .insns = { | |
3867 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
3868 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3869 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3870 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3871 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3872 | BPF_FUNC_map_lookup_elem), | |
48461135 JB |
3873 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10), |
3874 | BPF_MOV64_REG(BPF_REG_8, BPF_REG_0), | |
3875 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
3876 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3877 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3878 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5aa5bd14 DB |
3879 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, |
3880 | BPF_FUNC_map_lookup_elem), | |
48461135 JB |
3881 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), |
3882 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8), | |
5aa5bd14 DB |
3883 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, |
3884 | offsetof(struct test_val, foo)), | |
48461135 JB |
3885 | BPF_EXIT_INSN(), |
3886 | }, | |
5aa5bd14 | 3887 | .fixup_map2 = { 3, 11 }, |
f65b1849 EC |
3888 | .errstr_unpriv = "R0 pointer += pointer", |
3889 | .errstr = "R0 invalid mem access 'inv'", | |
5aa5bd14 | 3890 | .result_unpriv = REJECT, |
48461135 | 3891 | .result = REJECT, |
02ea80b1 | 3892 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
48461135 | 3893 | }, |
57a09bf0 TG |
3894 | { |
3895 | "multiple registers share map_lookup_elem result", | |
3896 | .insns = { | |
3897 | BPF_MOV64_IMM(BPF_REG_1, 10), | |
3898 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8), | |
3899 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3900 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3901 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
3902 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
3903 | BPF_FUNC_map_lookup_elem), | |
3904 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_0), | |
3905 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1), | |
3906 | BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0), | |
3907 | BPF_EXIT_INSN(), | |
3908 | }, | |
3909 | .fixup_map1 = { 4 }, | |
3910 | .result = ACCEPT, | |
3911 | .prog_type = BPF_PROG_TYPE_SCHED_CLS | |
3912 | }, | |
614d0d77 DB |
3913 | { |
3914 | "alu ops on ptr_to_map_value_or_null, 1", | |
3915 | .insns = { | |
3916 | BPF_MOV64_IMM(BPF_REG_1, 10), | |
3917 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8), | |
3918 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3919 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3920 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
3921 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
3922 | BPF_FUNC_map_lookup_elem), | |
3923 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_0), | |
3924 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -2), | |
3925 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 2), | |
3926 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1), | |
3927 | BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0), | |
3928 | BPF_EXIT_INSN(), | |
3929 | }, | |
3930 | .fixup_map1 = { 4 }, | |
3931 | .errstr = "R4 invalid mem access", | |
3932 | .result = REJECT, | |
3933 | .prog_type = BPF_PROG_TYPE_SCHED_CLS | |
3934 | }, | |
3935 | { | |
3936 | "alu ops on ptr_to_map_value_or_null, 2", | |
3937 | .insns = { | |
3938 | BPF_MOV64_IMM(BPF_REG_1, 10), | |
3939 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8), | |
3940 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3941 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3942 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
3943 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
3944 | BPF_FUNC_map_lookup_elem), | |
3945 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_0), | |
3946 | BPF_ALU64_IMM(BPF_AND, BPF_REG_4, -1), | |
3947 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1), | |
3948 | BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0), | |
3949 | BPF_EXIT_INSN(), | |
3950 | }, | |
3951 | .fixup_map1 = { 4 }, | |
3952 | .errstr = "R4 invalid mem access", | |
3953 | .result = REJECT, | |
3954 | .prog_type = BPF_PROG_TYPE_SCHED_CLS | |
3955 | }, | |
3956 | { | |
3957 | "alu ops on ptr_to_map_value_or_null, 3", | |
3958 | .insns = { | |
3959 | BPF_MOV64_IMM(BPF_REG_1, 10), | |
3960 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8), | |
3961 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3962 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3963 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
3964 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
3965 | BPF_FUNC_map_lookup_elem), | |
3966 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_0), | |
3967 | BPF_ALU64_IMM(BPF_LSH, BPF_REG_4, 1), | |
3968 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1), | |
3969 | BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0), | |
3970 | BPF_EXIT_INSN(), | |
3971 | }, | |
3972 | .fixup_map1 = { 4 }, | |
3973 | .errstr = "R4 invalid mem access", | |
3974 | .result = REJECT, | |
3975 | .prog_type = BPF_PROG_TYPE_SCHED_CLS | |
3976 | }, | |
57a09bf0 TG |
3977 | { |
3978 | "invalid memory access with multiple map_lookup_elem calls", | |
3979 | .insns = { | |
3980 | BPF_MOV64_IMM(BPF_REG_1, 10), | |
3981 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8), | |
3982 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
3983 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
3984 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
3985 | BPF_MOV64_REG(BPF_REG_8, BPF_REG_1), | |
3986 | BPF_MOV64_REG(BPF_REG_7, BPF_REG_2), | |
3987 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
3988 | BPF_FUNC_map_lookup_elem), | |
3989 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_0), | |
3990 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_8), | |
3991 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_7), | |
3992 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
3993 | BPF_FUNC_map_lookup_elem), | |
3994 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1), | |
3995 | BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0), | |
3996 | BPF_EXIT_INSN(), | |
3997 | }, | |
3998 | .fixup_map1 = { 4 }, | |
3999 | .result = REJECT, | |
4000 | .errstr = "R4 !read_ok", | |
4001 | .prog_type = BPF_PROG_TYPE_SCHED_CLS | |
4002 | }, | |
4003 | { | |
4004 | "valid indirect map_lookup_elem access with 2nd lookup in branch", | |
4005 | .insns = { | |
4006 | BPF_MOV64_IMM(BPF_REG_1, 10), | |
4007 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8), | |
4008 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4009 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4010 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4011 | BPF_MOV64_REG(BPF_REG_8, BPF_REG_1), | |
4012 | BPF_MOV64_REG(BPF_REG_7, BPF_REG_2), | |
4013 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
4014 | BPF_FUNC_map_lookup_elem), | |
4015 | BPF_MOV64_IMM(BPF_REG_2, 10), | |
4016 | BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0, 3), | |
4017 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_8), | |
4018 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_7), | |
4019 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
4020 | BPF_FUNC_map_lookup_elem), | |
4021 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_0), | |
4022 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1), | |
4023 | BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0), | |
4024 | BPF_EXIT_INSN(), | |
4025 | }, | |
4026 | .fixup_map1 = { 4 }, | |
4027 | .result = ACCEPT, | |
4028 | .prog_type = BPF_PROG_TYPE_SCHED_CLS | |
4029 | }, | |
e9548901 JB |
4030 | { |
4031 | "invalid map access from else condition", | |
4032 | .insns = { | |
4033 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
4034 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4035 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4036 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4037 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), | |
4038 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6), | |
4039 | BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), | |
4040 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, MAX_ENTRIES-1, 1), | |
4041 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1), | |
4042 | BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2), | |
4043 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
4044 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)), | |
4045 | BPF_EXIT_INSN(), | |
4046 | }, | |
4047 | .fixup_map2 = { 3 }, | |
f65b1849 | 4048 | .errstr = "R0 unbounded memory access", |
e9548901 | 4049 | .result = REJECT, |
f65b1849 | 4050 | .errstr_unpriv = "R0 leaks addr", |
e9548901 | 4051 | .result_unpriv = REJECT, |
02ea80b1 | 4052 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
e9548901 | 4053 | }, |
3c839744 GB |
4054 | { |
4055 | "constant register |= constant should keep constant type", | |
4056 | .insns = { | |
4057 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
4058 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48), | |
4059 | BPF_MOV64_IMM(BPF_REG_2, 34), | |
4060 | BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 13), | |
4061 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4062 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4063 | BPF_EXIT_INSN(), | |
4064 | }, | |
4065 | .result = ACCEPT, | |
4066 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4067 | }, | |
4068 | { | |
4069 | "constant register |= constant should not bypass stack boundary checks", | |
4070 | .insns = { | |
4071 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
4072 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48), | |
4073 | BPF_MOV64_IMM(BPF_REG_2, 34), | |
4074 | BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 24), | |
4075 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4076 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4077 | BPF_EXIT_INSN(), | |
4078 | }, | |
4079 | .errstr = "invalid stack type R1 off=-48 access_size=58", | |
4080 | .result = REJECT, | |
4081 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4082 | }, | |
4083 | { | |
4084 | "constant register |= constant register should keep constant type", | |
4085 | .insns = { | |
4086 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
4087 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48), | |
4088 | BPF_MOV64_IMM(BPF_REG_2, 34), | |
4089 | BPF_MOV64_IMM(BPF_REG_4, 13), | |
4090 | BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4), | |
4091 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4092 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4093 | BPF_EXIT_INSN(), | |
4094 | }, | |
4095 | .result = ACCEPT, | |
4096 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4097 | }, | |
4098 | { | |
4099 | "constant register |= constant register should not bypass stack boundary checks", | |
4100 | .insns = { | |
4101 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
4102 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48), | |
4103 | BPF_MOV64_IMM(BPF_REG_2, 34), | |
4104 | BPF_MOV64_IMM(BPF_REG_4, 24), | |
4105 | BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4), | |
4106 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4107 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4108 | BPF_EXIT_INSN(), | |
4109 | }, | |
4110 | .errstr = "invalid stack type R1 off=-48 access_size=58", | |
4111 | .result = REJECT, | |
4112 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4113 | }, | |
3f731d89 TG |
4114 | { |
4115 | "invalid direct packet write for LWT_IN", | |
4116 | .insns = { | |
4117 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
4118 | offsetof(struct __sk_buff, data)), | |
4119 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
4120 | offsetof(struct __sk_buff, data_end)), | |
4121 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
4122 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
4123 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
4124 | BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0), | |
4125 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4126 | BPF_EXIT_INSN(), | |
4127 | }, | |
4128 | .errstr = "cannot write into packet", | |
4129 | .result = REJECT, | |
4130 | .prog_type = BPF_PROG_TYPE_LWT_IN, | |
4131 | }, | |
4132 | { | |
4133 | "invalid direct packet write for LWT_OUT", | |
4134 | .insns = { | |
4135 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
4136 | offsetof(struct __sk_buff, data)), | |
4137 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
4138 | offsetof(struct __sk_buff, data_end)), | |
4139 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
4140 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
4141 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
4142 | BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0), | |
4143 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4144 | BPF_EXIT_INSN(), | |
4145 | }, | |
4146 | .errstr = "cannot write into packet", | |
4147 | .result = REJECT, | |
4148 | .prog_type = BPF_PROG_TYPE_LWT_OUT, | |
4149 | }, | |
4150 | { | |
4151 | "direct packet write for LWT_XMIT", | |
4152 | .insns = { | |
4153 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
4154 | offsetof(struct __sk_buff, data)), | |
4155 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
4156 | offsetof(struct __sk_buff, data_end)), | |
4157 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
4158 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
4159 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
4160 | BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0), | |
4161 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4162 | BPF_EXIT_INSN(), | |
4163 | }, | |
4164 | .result = ACCEPT, | |
4165 | .prog_type = BPF_PROG_TYPE_LWT_XMIT, | |
4166 | }, | |
4167 | { | |
4168 | "direct packet read for LWT_IN", | |
4169 | .insns = { | |
4170 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
4171 | offsetof(struct __sk_buff, data)), | |
4172 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
4173 | offsetof(struct __sk_buff, data_end)), | |
4174 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
4175 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
4176 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
4177 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
4178 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4179 | BPF_EXIT_INSN(), | |
4180 | }, | |
4181 | .result = ACCEPT, | |
4182 | .prog_type = BPF_PROG_TYPE_LWT_IN, | |
4183 | }, | |
4184 | { | |
4185 | "direct packet read for LWT_OUT", | |
4186 | .insns = { | |
4187 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
4188 | offsetof(struct __sk_buff, data)), | |
4189 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
4190 | offsetof(struct __sk_buff, data_end)), | |
4191 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
4192 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
4193 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
4194 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
4195 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4196 | BPF_EXIT_INSN(), | |
4197 | }, | |
4198 | .result = ACCEPT, | |
4199 | .prog_type = BPF_PROG_TYPE_LWT_OUT, | |
4200 | }, | |
4201 | { | |
4202 | "direct packet read for LWT_XMIT", | |
4203 | .insns = { | |
4204 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
4205 | offsetof(struct __sk_buff, data)), | |
4206 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
4207 | offsetof(struct __sk_buff, data_end)), | |
4208 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
4209 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
4210 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
4211 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
4212 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4213 | BPF_EXIT_INSN(), | |
4214 | }, | |
4215 | .result = ACCEPT, | |
4216 | .prog_type = BPF_PROG_TYPE_LWT_XMIT, | |
4217 | }, | |
b1977682 AS |
4218 | { |
4219 | "overlapping checks for direct packet access", | |
4220 | .insns = { | |
4221 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
4222 | offsetof(struct __sk_buff, data)), | |
4223 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
4224 | offsetof(struct __sk_buff, data_end)), | |
4225 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
4226 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
4227 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 4), | |
4228 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
4229 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6), | |
4230 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1), | |
4231 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_2, 6), | |
4232 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4233 | BPF_EXIT_INSN(), | |
3f731d89 TG |
4234 | }, |
4235 | .result = ACCEPT, | |
4236 | .prog_type = BPF_PROG_TYPE_LWT_XMIT, | |
4237 | }, | |
4238 | { | |
4239 | "invalid access of tc_classid for LWT_IN", | |
4240 | .insns = { | |
4241 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
4242 | offsetof(struct __sk_buff, tc_classid)), | |
4243 | BPF_EXIT_INSN(), | |
4244 | }, | |
4245 | .result = REJECT, | |
4246 | .errstr = "invalid bpf_context access", | |
4247 | }, | |
4248 | { | |
4249 | "invalid access of tc_classid for LWT_OUT", | |
4250 | .insns = { | |
4251 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
4252 | offsetof(struct __sk_buff, tc_classid)), | |
4253 | BPF_EXIT_INSN(), | |
4254 | }, | |
4255 | .result = REJECT, | |
4256 | .errstr = "invalid bpf_context access", | |
4257 | }, | |
4258 | { | |
4259 | "invalid access of tc_classid for LWT_XMIT", | |
4260 | .insns = { | |
4261 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
4262 | offsetof(struct __sk_buff, tc_classid)), | |
4263 | BPF_EXIT_INSN(), | |
4264 | }, | |
4265 | .result = REJECT, | |
4266 | .errstr = "invalid bpf_context access", | |
4267 | }, | |
6bdf6abc DB |
4268 | { |
4269 | "leak pointer into ctx 1", | |
4270 | .insns = { | |
4271 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4272 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, | |
4273 | offsetof(struct __sk_buff, cb[0])), | |
4274 | BPF_LD_MAP_FD(BPF_REG_2, 0), | |
4275 | BPF_STX_XADD(BPF_DW, BPF_REG_1, BPF_REG_2, | |
4276 | offsetof(struct __sk_buff, cb[0])), | |
4277 | BPF_EXIT_INSN(), | |
4278 | }, | |
4279 | .fixup_map1 = { 2 }, | |
4280 | .errstr_unpriv = "R2 leaks addr into mem", | |
4281 | .result_unpriv = REJECT, | |
4282 | .result = ACCEPT, | |
4283 | }, | |
4284 | { | |
4285 | "leak pointer into ctx 2", | |
4286 | .insns = { | |
4287 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4288 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, | |
4289 | offsetof(struct __sk_buff, cb[0])), | |
4290 | BPF_STX_XADD(BPF_DW, BPF_REG_1, BPF_REG_10, | |
4291 | offsetof(struct __sk_buff, cb[0])), | |
4292 | BPF_EXIT_INSN(), | |
4293 | }, | |
4294 | .errstr_unpriv = "R10 leaks addr into mem", | |
4295 | .result_unpriv = REJECT, | |
4296 | .result = ACCEPT, | |
4297 | }, | |
4298 | { | |
4299 | "leak pointer into ctx 3", | |
4300 | .insns = { | |
4301 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4302 | BPF_LD_MAP_FD(BPF_REG_2, 0), | |
4303 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, | |
4304 | offsetof(struct __sk_buff, cb[0])), | |
4305 | BPF_EXIT_INSN(), | |
4306 | }, | |
4307 | .fixup_map1 = { 1 }, | |
4308 | .errstr_unpriv = "R2 leaks addr into ctx", | |
4309 | .result_unpriv = REJECT, | |
4310 | .result = ACCEPT, | |
4311 | }, | |
4312 | { | |
4313 | "leak pointer into map val", | |
4314 | .insns = { | |
4315 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), | |
4316 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
4317 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4318 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4319 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4320 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
4321 | BPF_FUNC_map_lookup_elem), | |
4322 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3), | |
4323 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4324 | BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0), | |
4325 | BPF_STX_XADD(BPF_DW, BPF_REG_0, BPF_REG_6, 0), | |
4326 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4327 | BPF_EXIT_INSN(), | |
4328 | }, | |
4329 | .fixup_map1 = { 4 }, | |
4330 | .errstr_unpriv = "R6 leaks addr into mem", | |
4331 | .result_unpriv = REJECT, | |
4332 | .result = ACCEPT, | |
4333 | }, | |
5722569b GB |
4334 | { |
4335 | "helper access to map: full range", | |
4336 | .insns = { | |
4337 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4338 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4339 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4340 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4341 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4342 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
4343 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4344 | BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)), | |
4345 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4346 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4347 | BPF_EXIT_INSN(), | |
4348 | }, | |
4349 | .fixup_map2 = { 3 }, | |
4350 | .result = ACCEPT, | |
4351 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4352 | }, | |
4353 | { | |
4354 | "helper access to map: partial range", | |
4355 | .insns = { | |
4356 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4357 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4358 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4359 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4360 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4361 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
4362 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4363 | BPF_MOV64_IMM(BPF_REG_2, 8), | |
4364 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4365 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4366 | BPF_EXIT_INSN(), | |
4367 | }, | |
4368 | .fixup_map2 = { 3 }, | |
4369 | .result = ACCEPT, | |
4370 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4371 | }, | |
4372 | { | |
4373 | "helper access to map: empty range", | |
4374 | .insns = { | |
4375 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4376 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4377 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4378 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4379 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
f1a8b8e3 YS |
4380 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3), |
4381 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4382 | BPF_MOV64_IMM(BPF_REG_2, 0), | |
4383 | BPF_EMIT_CALL(BPF_FUNC_trace_printk), | |
5722569b GB |
4384 | BPF_EXIT_INSN(), |
4385 | }, | |
4386 | .fixup_map2 = { 3 }, | |
4387 | .errstr = "invalid access to map value, value_size=48 off=0 size=0", | |
4388 | .result = REJECT, | |
4389 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4390 | }, | |
4391 | { | |
4392 | "helper access to map: out-of-bound range", | |
4393 | .insns = { | |
4394 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4395 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4396 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4397 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4398 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4399 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
4400 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4401 | BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val) + 8), | |
4402 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4403 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4404 | BPF_EXIT_INSN(), | |
4405 | }, | |
4406 | .fixup_map2 = { 3 }, | |
4407 | .errstr = "invalid access to map value, value_size=48 off=0 size=56", | |
4408 | .result = REJECT, | |
4409 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4410 | }, | |
4411 | { | |
4412 | "helper access to map: negative range", | |
4413 | .insns = { | |
4414 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4415 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4416 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4417 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4418 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4419 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
4420 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4421 | BPF_MOV64_IMM(BPF_REG_2, -8), | |
4422 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4423 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4424 | BPF_EXIT_INSN(), | |
4425 | }, | |
4426 | .fixup_map2 = { 3 }, | |
f65b1849 | 4427 | .errstr = "R2 min value is negative", |
5722569b GB |
4428 | .result = REJECT, |
4429 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4430 | }, | |
4431 | { | |
4432 | "helper access to adjusted map (via const imm): full range", | |
4433 | .insns = { | |
4434 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4435 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4436 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4437 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4438 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4439 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5), | |
4440 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4441 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, | |
4442 | offsetof(struct test_val, foo)), | |
4443 | BPF_MOV64_IMM(BPF_REG_2, | |
4444 | sizeof(struct test_val) - | |
4445 | offsetof(struct test_val, foo)), | |
4446 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4447 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4448 | BPF_EXIT_INSN(), | |
4449 | }, | |
4450 | .fixup_map2 = { 3 }, | |
4451 | .result = ACCEPT, | |
4452 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4453 | }, | |
4454 | { | |
4455 | "helper access to adjusted map (via const imm): partial range", | |
4456 | .insns = { | |
4457 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4458 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4459 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4460 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4461 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4462 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5), | |
4463 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4464 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, | |
4465 | offsetof(struct test_val, foo)), | |
4466 | BPF_MOV64_IMM(BPF_REG_2, 8), | |
4467 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4468 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4469 | BPF_EXIT_INSN(), | |
4470 | }, | |
4471 | .fixup_map2 = { 3 }, | |
4472 | .result = ACCEPT, | |
4473 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4474 | }, | |
4475 | { | |
4476 | "helper access to adjusted map (via const imm): empty range", | |
4477 | .insns = { | |
4478 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4479 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4480 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4481 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4482 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
f1a8b8e3 | 4483 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), |
5722569b GB |
4484 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), |
4485 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, | |
4486 | offsetof(struct test_val, foo)), | |
f1a8b8e3 YS |
4487 | BPF_MOV64_IMM(BPF_REG_2, 0), |
4488 | BPF_EMIT_CALL(BPF_FUNC_trace_printk), | |
5722569b GB |
4489 | BPF_EXIT_INSN(), |
4490 | }, | |
4491 | .fixup_map2 = { 3 }, | |
f65b1849 | 4492 | .errstr = "invalid access to map value, value_size=48 off=4 size=0", |
5722569b GB |
4493 | .result = REJECT, |
4494 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4495 | }, | |
4496 | { | |
4497 | "helper access to adjusted map (via const imm): out-of-bound range", | |
4498 | .insns = { | |
4499 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4500 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4501 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4502 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4503 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4504 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5), | |
4505 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4506 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, | |
4507 | offsetof(struct test_val, foo)), | |
4508 | BPF_MOV64_IMM(BPF_REG_2, | |
4509 | sizeof(struct test_val) - | |
4510 | offsetof(struct test_val, foo) + 8), | |
4511 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4512 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4513 | BPF_EXIT_INSN(), | |
4514 | }, | |
4515 | .fixup_map2 = { 3 }, | |
4516 | .errstr = "invalid access to map value, value_size=48 off=4 size=52", | |
4517 | .result = REJECT, | |
4518 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4519 | }, | |
4520 | { | |
4521 | "helper access to adjusted map (via const imm): negative range (> adjustment)", | |
4522 | .insns = { | |
4523 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4524 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4525 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4526 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4527 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4528 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5), | |
4529 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4530 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, | |
4531 | offsetof(struct test_val, foo)), | |
4532 | BPF_MOV64_IMM(BPF_REG_2, -8), | |
4533 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4534 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4535 | BPF_EXIT_INSN(), | |
4536 | }, | |
4537 | .fixup_map2 = { 3 }, | |
f65b1849 | 4538 | .errstr = "R2 min value is negative", |
5722569b GB |
4539 | .result = REJECT, |
4540 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4541 | }, | |
4542 | { | |
4543 | "helper access to adjusted map (via const imm): negative range (< adjustment)", | |
4544 | .insns = { | |
4545 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4546 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4547 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4548 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4549 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4550 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5), | |
4551 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4552 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, | |
4553 | offsetof(struct test_val, foo)), | |
4554 | BPF_MOV64_IMM(BPF_REG_2, -1), | |
4555 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4556 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4557 | BPF_EXIT_INSN(), | |
4558 | }, | |
4559 | .fixup_map2 = { 3 }, | |
f65b1849 | 4560 | .errstr = "R2 min value is negative", |
5722569b GB |
4561 | .result = REJECT, |
4562 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4563 | }, | |
4564 | { | |
4565 | "helper access to adjusted map (via const reg): full range", | |
4566 | .insns = { | |
4567 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4568 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4569 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4570 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4571 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4572 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6), | |
4573 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4574 | BPF_MOV64_IMM(BPF_REG_3, | |
4575 | offsetof(struct test_val, foo)), | |
4576 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
4577 | BPF_MOV64_IMM(BPF_REG_2, | |
4578 | sizeof(struct test_val) - | |
4579 | offsetof(struct test_val, foo)), | |
4580 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4581 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4582 | BPF_EXIT_INSN(), | |
4583 | }, | |
4584 | .fixup_map2 = { 3 }, | |
4585 | .result = ACCEPT, | |
4586 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4587 | }, | |
4588 | { | |
4589 | "helper access to adjusted map (via const reg): partial range", | |
4590 | .insns = { | |
4591 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4592 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4593 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4594 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4595 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4596 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6), | |
4597 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4598 | BPF_MOV64_IMM(BPF_REG_3, | |
4599 | offsetof(struct test_val, foo)), | |
4600 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
4601 | BPF_MOV64_IMM(BPF_REG_2, 8), | |
4602 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4603 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4604 | BPF_EXIT_INSN(), | |
4605 | }, | |
4606 | .fixup_map2 = { 3 }, | |
4607 | .result = ACCEPT, | |
4608 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4609 | }, | |
4610 | { | |
4611 | "helper access to adjusted map (via const reg): empty range", | |
4612 | .insns = { | |
4613 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4614 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4615 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4616 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4617 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
f1a8b8e3 | 4618 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5), |
5722569b GB |
4619 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), |
4620 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4621 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
f1a8b8e3 YS |
4622 | BPF_MOV64_IMM(BPF_REG_2, 0), |
4623 | BPF_EMIT_CALL(BPF_FUNC_trace_printk), | |
5722569b GB |
4624 | BPF_EXIT_INSN(), |
4625 | }, | |
4626 | .fixup_map2 = { 3 }, | |
f1a8b8e3 | 4627 | .errstr = "R1 min value is outside of the array range", |
5722569b GB |
4628 | .result = REJECT, |
4629 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4630 | }, | |
4631 | { | |
4632 | "helper access to adjusted map (via const reg): out-of-bound range", | |
4633 | .insns = { | |
4634 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4635 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4636 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4637 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4638 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4639 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6), | |
4640 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4641 | BPF_MOV64_IMM(BPF_REG_3, | |
4642 | offsetof(struct test_val, foo)), | |
4643 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
4644 | BPF_MOV64_IMM(BPF_REG_2, | |
4645 | sizeof(struct test_val) - | |
4646 | offsetof(struct test_val, foo) + 8), | |
4647 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4648 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4649 | BPF_EXIT_INSN(), | |
4650 | }, | |
4651 | .fixup_map2 = { 3 }, | |
4652 | .errstr = "invalid access to map value, value_size=48 off=4 size=52", | |
4653 | .result = REJECT, | |
4654 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4655 | }, | |
4656 | { | |
4657 | "helper access to adjusted map (via const reg): negative range (> adjustment)", | |
4658 | .insns = { | |
4659 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4660 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4661 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4662 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4663 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4664 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6), | |
4665 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4666 | BPF_MOV64_IMM(BPF_REG_3, | |
4667 | offsetof(struct test_val, foo)), | |
4668 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
4669 | BPF_MOV64_IMM(BPF_REG_2, -8), | |
4670 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4671 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4672 | BPF_EXIT_INSN(), | |
4673 | }, | |
4674 | .fixup_map2 = { 3 }, | |
f65b1849 | 4675 | .errstr = "R2 min value is negative", |
5722569b GB |
4676 | .result = REJECT, |
4677 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4678 | }, | |
4679 | { | |
4680 | "helper access to adjusted map (via const reg): negative range (< adjustment)", | |
4681 | .insns = { | |
4682 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4683 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4684 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4685 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4686 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4687 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6), | |
4688 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4689 | BPF_MOV64_IMM(BPF_REG_3, | |
4690 | offsetof(struct test_val, foo)), | |
4691 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
4692 | BPF_MOV64_IMM(BPF_REG_2, -1), | |
4693 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4694 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4695 | BPF_EXIT_INSN(), | |
4696 | }, | |
4697 | .fixup_map2 = { 3 }, | |
f65b1849 | 4698 | .errstr = "R2 min value is negative", |
5722569b GB |
4699 | .result = REJECT, |
4700 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4701 | }, | |
4702 | { | |
4703 | "helper access to adjusted map (via variable): full range", | |
4704 | .insns = { | |
4705 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4706 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4707 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4708 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4709 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4710 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), | |
4711 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4712 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0), | |
4713 | BPF_JMP_IMM(BPF_JGT, BPF_REG_3, | |
4714 | offsetof(struct test_val, foo), 4), | |
4715 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
4716 | BPF_MOV64_IMM(BPF_REG_2, | |
4717 | sizeof(struct test_val) - | |
4718 | offsetof(struct test_val, foo)), | |
4719 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4720 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4721 | BPF_EXIT_INSN(), | |
4722 | }, | |
4723 | .fixup_map2 = { 3 }, | |
4724 | .result = ACCEPT, | |
4725 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4726 | }, | |
4727 | { | |
4728 | "helper access to adjusted map (via variable): partial range", | |
4729 | .insns = { | |
4730 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4731 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4732 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4733 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4734 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4735 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), | |
4736 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4737 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0), | |
4738 | BPF_JMP_IMM(BPF_JGT, BPF_REG_3, | |
4739 | offsetof(struct test_val, foo), 4), | |
4740 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
4741 | BPF_MOV64_IMM(BPF_REG_2, 8), | |
4742 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4743 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4744 | BPF_EXIT_INSN(), | |
4745 | }, | |
4746 | .fixup_map2 = { 3 }, | |
4747 | .result = ACCEPT, | |
4748 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4749 | }, | |
4750 | { | |
4751 | "helper access to adjusted map (via variable): empty range", | |
4752 | .insns = { | |
4753 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4754 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4755 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4756 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4757 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
f1a8b8e3 | 4758 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6), |
5722569b GB |
4759 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), |
4760 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0), | |
4761 | BPF_JMP_IMM(BPF_JGT, BPF_REG_3, | |
f1a8b8e3 | 4762 | offsetof(struct test_val, foo), 3), |
5722569b | 4763 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), |
f1a8b8e3 YS |
4764 | BPF_MOV64_IMM(BPF_REG_2, 0), |
4765 | BPF_EMIT_CALL(BPF_FUNC_trace_printk), | |
5722569b GB |
4766 | BPF_EXIT_INSN(), |
4767 | }, | |
4768 | .fixup_map2 = { 3 }, | |
f1a8b8e3 | 4769 | .errstr = "R1 min value is outside of the array range", |
5722569b GB |
4770 | .result = REJECT, |
4771 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4772 | }, | |
4773 | { | |
4774 | "helper access to adjusted map (via variable): no max check", | |
4775 | .insns = { | |
4776 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4777 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4778 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4779 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4780 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4781 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6), | |
4782 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4783 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0), | |
4784 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
f65b1849 | 4785 | BPF_MOV64_IMM(BPF_REG_2, 1), |
5722569b GB |
4786 | BPF_MOV64_IMM(BPF_REG_3, 0), |
4787 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4788 | BPF_EXIT_INSN(), | |
4789 | }, | |
4790 | .fixup_map2 = { 3 }, | |
f65b1849 | 4791 | .errstr = "R1 unbounded memory access", |
5722569b GB |
4792 | .result = REJECT, |
4793 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4794 | }, | |
4795 | { | |
4796 | "helper access to adjusted map (via variable): wrong max check", | |
4797 | .insns = { | |
4798 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4799 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4800 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4801 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4802 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4803 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), | |
4804 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4805 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0), | |
4806 | BPF_JMP_IMM(BPF_JGT, BPF_REG_3, | |
4807 | offsetof(struct test_val, foo), 4), | |
4808 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
4809 | BPF_MOV64_IMM(BPF_REG_2, | |
4810 | sizeof(struct test_val) - | |
4811 | offsetof(struct test_val, foo) + 1), | |
4812 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
4813 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
4814 | BPF_EXIT_INSN(), | |
4815 | }, | |
4816 | .fixup_map2 = { 3 }, | |
4817 | .errstr = "invalid access to map value, value_size=48 off=4 size=45", | |
4818 | .result = REJECT, | |
4819 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4820 | }, | |
31e482bf DB |
4821 | { |
4822 | "helper access to map: bounds check using <, good access", | |
4823 | .insns = { | |
4824 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4825 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4826 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4827 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4828 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4829 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
4830 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4831 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0), | |
4832 | BPF_JMP_IMM(BPF_JLT, BPF_REG_3, 32, 2), | |
4833 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4834 | BPF_EXIT_INSN(), | |
4835 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
4836 | BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0), | |
4837 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4838 | BPF_EXIT_INSN(), | |
4839 | }, | |
4840 | .fixup_map2 = { 3 }, | |
4841 | .result = ACCEPT, | |
4842 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4843 | }, | |
4844 | { | |
4845 | "helper access to map: bounds check using <, bad access", | |
4846 | .insns = { | |
4847 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4848 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4849 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4850 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4851 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4852 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
4853 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4854 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0), | |
4855 | BPF_JMP_IMM(BPF_JLT, BPF_REG_3, 32, 4), | |
4856 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
4857 | BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0), | |
4858 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4859 | BPF_EXIT_INSN(), | |
4860 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4861 | BPF_EXIT_INSN(), | |
4862 | }, | |
4863 | .fixup_map2 = { 3 }, | |
4864 | .result = REJECT, | |
4865 | .errstr = "R1 unbounded memory access", | |
4866 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4867 | }, | |
4868 | { | |
4869 | "helper access to map: bounds check using <=, good access", | |
4870 | .insns = { | |
4871 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4872 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4873 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4874 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4875 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4876 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
4877 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4878 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0), | |
4879 | BPF_JMP_IMM(BPF_JLE, BPF_REG_3, 32, 2), | |
4880 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4881 | BPF_EXIT_INSN(), | |
4882 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
4883 | BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0), | |
4884 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4885 | BPF_EXIT_INSN(), | |
4886 | }, | |
4887 | .fixup_map2 = { 3 }, | |
4888 | .result = ACCEPT, | |
4889 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4890 | }, | |
4891 | { | |
4892 | "helper access to map: bounds check using <=, bad access", | |
4893 | .insns = { | |
4894 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4895 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4896 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4897 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4898 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4899 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
4900 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4901 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0), | |
4902 | BPF_JMP_IMM(BPF_JLE, BPF_REG_3, 32, 4), | |
4903 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
4904 | BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0), | |
4905 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4906 | BPF_EXIT_INSN(), | |
4907 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4908 | BPF_EXIT_INSN(), | |
4909 | }, | |
4910 | .fixup_map2 = { 3 }, | |
4911 | .result = REJECT, | |
4912 | .errstr = "R1 unbounded memory access", | |
4913 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4914 | }, | |
4915 | { | |
4916 | "helper access to map: bounds check using s<, good access", | |
4917 | .insns = { | |
4918 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4919 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4920 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4921 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4922 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4923 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
4924 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4925 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0), | |
4926 | BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 32, 2), | |
4927 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4928 | BPF_EXIT_INSN(), | |
4929 | BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 0, -3), | |
4930 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
4931 | BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0), | |
4932 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4933 | BPF_EXIT_INSN(), | |
4934 | }, | |
4935 | .fixup_map2 = { 3 }, | |
4936 | .result = ACCEPT, | |
4937 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4938 | }, | |
4939 | { | |
4940 | "helper access to map: bounds check using s<, good access 2", | |
4941 | .insns = { | |
4942 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4943 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4944 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4945 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4946 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4947 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
4948 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4949 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0), | |
4950 | BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 32, 2), | |
4951 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4952 | BPF_EXIT_INSN(), | |
4953 | BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, -3, -3), | |
4954 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
4955 | BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0), | |
4956 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4957 | BPF_EXIT_INSN(), | |
4958 | }, | |
4959 | .fixup_map2 = { 3 }, | |
4960 | .result = ACCEPT, | |
4961 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4962 | }, | |
4963 | { | |
4964 | "helper access to map: bounds check using s<, bad access", | |
4965 | .insns = { | |
4966 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4967 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4968 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4969 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4970 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4971 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
4972 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4973 | BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 0), | |
4974 | BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 32, 2), | |
4975 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4976 | BPF_EXIT_INSN(), | |
4977 | BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, -3, -3), | |
4978 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
4979 | BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0), | |
4980 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
4981 | BPF_EXIT_INSN(), | |
4982 | }, | |
4983 | .fixup_map2 = { 3 }, | |
4984 | .result = REJECT, | |
4985 | .errstr = "R1 min value is negative", | |
4986 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
4987 | }, | |
4988 | { | |
4989 | "helper access to map: bounds check using s<=, good access", | |
4990 | .insns = { | |
4991 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
4992 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
4993 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
4994 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
4995 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
4996 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
4997 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
4998 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0), | |
4999 | BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 32, 2), | |
5000 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5001 | BPF_EXIT_INSN(), | |
5002 | BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 0, -3), | |
5003 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
5004 | BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0), | |
5005 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5006 | BPF_EXIT_INSN(), | |
5007 | }, | |
5008 | .fixup_map2 = { 3 }, | |
5009 | .result = ACCEPT, | |
5010 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5011 | }, | |
5012 | { | |
5013 | "helper access to map: bounds check using s<=, good access 2", | |
5014 | .insns = { | |
5015 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5016 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5017 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5018 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5019 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5020 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
5021 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
5022 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0), | |
5023 | BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 32, 2), | |
5024 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5025 | BPF_EXIT_INSN(), | |
5026 | BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, -3, -3), | |
5027 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
5028 | BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0), | |
5029 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5030 | BPF_EXIT_INSN(), | |
5031 | }, | |
5032 | .fixup_map2 = { 3 }, | |
5033 | .result = ACCEPT, | |
5034 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5035 | }, | |
5036 | { | |
5037 | "helper access to map: bounds check using s<=, bad access", | |
5038 | .insns = { | |
5039 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5040 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5041 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5042 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5043 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5044 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
5045 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
5046 | BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 0), | |
5047 | BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 32, 2), | |
5048 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5049 | BPF_EXIT_INSN(), | |
5050 | BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, -3, -3), | |
5051 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3), | |
5052 | BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0), | |
5053 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5054 | BPF_EXIT_INSN(), | |
5055 | }, | |
5056 | .fixup_map2 = { 3 }, | |
5057 | .result = REJECT, | |
5058 | .errstr = "R1 min value is negative", | |
5059 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5060 | }, | |
f0318d01 GB |
5061 | { |
5062 | "map element value is preserved across register spilling", | |
5063 | .insns = { | |
5064 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5065 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5066 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5067 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5068 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5069 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6), | |
5070 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42), | |
5071 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5072 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -184), | |
5073 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0), | |
5074 | BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0), | |
5075 | BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42), | |
5076 | BPF_EXIT_INSN(), | |
5077 | }, | |
5078 | .fixup_map2 = { 3 }, | |
5079 | .errstr_unpriv = "R0 leaks addr", | |
5080 | .result = ACCEPT, | |
5081 | .result_unpriv = REJECT, | |
5082 | }, | |
5083 | { | |
02ea80b1 DB |
5084 | "map element value or null is marked on register spilling", |
5085 | .insns = { | |
5086 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5087 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5088 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5089 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5090 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5091 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5092 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -152), | |
5093 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0), | |
5094 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), | |
5095 | BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0), | |
5096 | BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42), | |
5097 | BPF_EXIT_INSN(), | |
5098 | }, | |
5099 | .fixup_map2 = { 3 }, | |
5100 | .errstr_unpriv = "R0 leaks addr", | |
5101 | .result = ACCEPT, | |
5102 | .result_unpriv = REJECT, | |
5103 | }, | |
5104 | { | |
5105 | "map element value store of cleared call register", | |
5106 | .insns = { | |
5107 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5108 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5109 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5110 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5111 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5112 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1), | |
5113 | BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0), | |
5114 | BPF_EXIT_INSN(), | |
5115 | }, | |
5116 | .fixup_map2 = { 3 }, | |
5117 | .errstr_unpriv = "R1 !read_ok", | |
5118 | .errstr = "R1 !read_ok", | |
5119 | .result = REJECT, | |
5120 | .result_unpriv = REJECT, | |
5121 | }, | |
5122 | { | |
5123 | "map element value with unaligned store", | |
5124 | .insns = { | |
5125 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5126 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5127 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5128 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5129 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5130 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 17), | |
5131 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 3), | |
5132 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42), | |
5133 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 2, 43), | |
5134 | BPF_ST_MEM(BPF_DW, BPF_REG_0, -2, 44), | |
5135 | BPF_MOV64_REG(BPF_REG_8, BPF_REG_0), | |
5136 | BPF_ST_MEM(BPF_DW, BPF_REG_8, 0, 32), | |
5137 | BPF_ST_MEM(BPF_DW, BPF_REG_8, 2, 33), | |
5138 | BPF_ST_MEM(BPF_DW, BPF_REG_8, -2, 34), | |
5139 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_8, 5), | |
5140 | BPF_ST_MEM(BPF_DW, BPF_REG_8, 0, 22), | |
5141 | BPF_ST_MEM(BPF_DW, BPF_REG_8, 4, 23), | |
5142 | BPF_ST_MEM(BPF_DW, BPF_REG_8, -7, 24), | |
5143 | BPF_MOV64_REG(BPF_REG_7, BPF_REG_8), | |
5144 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, 3), | |
5145 | BPF_ST_MEM(BPF_DW, BPF_REG_7, 0, 22), | |
5146 | BPF_ST_MEM(BPF_DW, BPF_REG_7, 4, 23), | |
5147 | BPF_ST_MEM(BPF_DW, BPF_REG_7, -4, 24), | |
5148 | BPF_EXIT_INSN(), | |
5149 | }, | |
5150 | .fixup_map2 = { 3 }, | |
f65b1849 | 5151 | .errstr_unpriv = "R0 leaks addr", |
02ea80b1 DB |
5152 | .result = ACCEPT, |
5153 | .result_unpriv = REJECT, | |
5154 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
5155 | }, | |
5156 | { | |
5157 | "map element value with unaligned load", | |
5158 | .insns = { | |
5159 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5160 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5161 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5162 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5163 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5164 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11), | |
5165 | BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), | |
5166 | BPF_JMP_IMM(BPF_JGE, BPF_REG_1, MAX_ENTRIES, 9), | |
5167 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 3), | |
5168 | BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0), | |
5169 | BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 2), | |
5170 | BPF_MOV64_REG(BPF_REG_8, BPF_REG_0), | |
5171 | BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_8, 0), | |
5172 | BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_8, 2), | |
5173 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 5), | |
5174 | BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0), | |
5175 | BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 4), | |
5176 | BPF_EXIT_INSN(), | |
5177 | }, | |
5178 | .fixup_map2 = { 3 }, | |
f65b1849 | 5179 | .errstr_unpriv = "R0 leaks addr", |
02ea80b1 DB |
5180 | .result = ACCEPT, |
5181 | .result_unpriv = REJECT, | |
5182 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
5183 | }, | |
5184 | { | |
5185 | "map element value illegal alu op, 1", | |
5186 | .insns = { | |
5187 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5188 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5189 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5190 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5191 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5192 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), | |
5193 | BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 8), | |
5194 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22), | |
5195 | BPF_EXIT_INSN(), | |
5196 | }, | |
5197 | .fixup_map2 = { 3 }, | |
f65b1849 | 5198 | .errstr_unpriv = "R0 bitwise operator &= on pointer", |
02ea80b1 DB |
5199 | .errstr = "invalid mem access 'inv'", |
5200 | .result = REJECT, | |
5201 | .result_unpriv = REJECT, | |
5202 | }, | |
5203 | { | |
5204 | "map element value illegal alu op, 2", | |
5205 | .insns = { | |
5206 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5207 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5208 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5209 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5210 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5211 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), | |
5212 | BPF_ALU32_IMM(BPF_ADD, BPF_REG_0, 0), | |
5213 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22), | |
5214 | BPF_EXIT_INSN(), | |
5215 | }, | |
5216 | .fixup_map2 = { 3 }, | |
f65b1849 | 5217 | .errstr_unpriv = "R0 32-bit pointer arithmetic prohibited", |
02ea80b1 DB |
5218 | .errstr = "invalid mem access 'inv'", |
5219 | .result = REJECT, | |
5220 | .result_unpriv = REJECT, | |
5221 | }, | |
5222 | { | |
5223 | "map element value illegal alu op, 3", | |
5224 | .insns = { | |
5225 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5226 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5227 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5228 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5229 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5230 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), | |
5231 | BPF_ALU64_IMM(BPF_DIV, BPF_REG_0, 42), | |
5232 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22), | |
5233 | BPF_EXIT_INSN(), | |
5234 | }, | |
5235 | .fixup_map2 = { 3 }, | |
f65b1849 | 5236 | .errstr_unpriv = "R0 pointer arithmetic with /= operator", |
02ea80b1 DB |
5237 | .errstr = "invalid mem access 'inv'", |
5238 | .result = REJECT, | |
5239 | .result_unpriv = REJECT, | |
5240 | }, | |
5241 | { | |
5242 | "map element value illegal alu op, 4", | |
5243 | .insns = { | |
5244 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5245 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5246 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5247 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5248 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5249 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), | |
5250 | BPF_ENDIAN(BPF_FROM_BE, BPF_REG_0, 64), | |
5251 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22), | |
5252 | BPF_EXIT_INSN(), | |
5253 | }, | |
5254 | .fixup_map2 = { 3 }, | |
5255 | .errstr_unpriv = "R0 pointer arithmetic prohibited", | |
5256 | .errstr = "invalid mem access 'inv'", | |
5257 | .result = REJECT, | |
5258 | .result_unpriv = REJECT, | |
5259 | }, | |
5260 | { | |
5261 | "map element value illegal alu op, 5", | |
5262 | .insns = { | |
5263 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5264 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5265 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5266 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5267 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5268 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), | |
5269 | BPF_MOV64_IMM(BPF_REG_3, 4096), | |
5270 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5271 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5272 | BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0), | |
5273 | BPF_STX_XADD(BPF_DW, BPF_REG_2, BPF_REG_3, 0), | |
5274 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, 0), | |
5275 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22), | |
5276 | BPF_EXIT_INSN(), | |
5277 | }, | |
5278 | .fixup_map2 = { 3 }, | |
02ea80b1 DB |
5279 | .errstr = "R0 invalid mem access 'inv'", |
5280 | .result = REJECT, | |
02ea80b1 DB |
5281 | }, |
5282 | { | |
5283 | "map element value is preserved across register spilling", | |
f0318d01 GB |
5284 | .insns = { |
5285 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5286 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5287 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5288 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5289 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5290 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), | |
5291 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, | |
5292 | offsetof(struct test_val, foo)), | |
5293 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42), | |
5294 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5295 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -184), | |
5296 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0), | |
5297 | BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0), | |
5298 | BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42), | |
5299 | BPF_EXIT_INSN(), | |
5300 | }, | |
5301 | .fixup_map2 = { 3 }, | |
f65b1849 | 5302 | .errstr_unpriv = "R0 leaks addr", |
f0318d01 GB |
5303 | .result = ACCEPT, |
5304 | .result_unpriv = REJECT, | |
02ea80b1 | 5305 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
f0318d01 | 5306 | }, |
06c1c049 GB |
5307 | { |
5308 | "helper access to variable memory: stack, bitwise AND + JMP, correct bounds", | |
5309 | .insns = { | |
5310 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5311 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64), | |
5312 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5313 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64), | |
5314 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56), | |
5315 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48), | |
5316 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40), | |
5317 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32), | |
5318 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24), | |
5319 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16), | |
5320 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8), | |
5321 | BPF_MOV64_IMM(BPF_REG_2, 16), | |
5322 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128), | |
5323 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128), | |
5324 | BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 64), | |
5325 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5326 | BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2), | |
5327 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5328 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5329 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5330 | BPF_EXIT_INSN(), | |
5331 | }, | |
5332 | .result = ACCEPT, | |
5333 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5334 | }, | |
5335 | { | |
5336 | "helper access to variable memory: stack, bitwise AND, zero included", | |
5337 | .insns = { | |
5338 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5339 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64), | |
5340 | BPF_MOV64_IMM(BPF_REG_2, 16), | |
5341 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128), | |
5342 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128), | |
5343 | BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 64), | |
5344 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5345 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5346 | BPF_EXIT_INSN(), | |
5347 | }, | |
b6ff6391 | 5348 | .errstr = "invalid indirect read from stack off -64+0 size 64", |
06c1c049 GB |
5349 | .result = REJECT, |
5350 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5351 | }, | |
5352 | { | |
5353 | "helper access to variable memory: stack, bitwise AND + JMP, wrong max", | |
5354 | .insns = { | |
5355 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5356 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64), | |
5357 | BPF_MOV64_IMM(BPF_REG_2, 16), | |
5358 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128), | |
5359 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128), | |
5360 | BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 65), | |
5361 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5362 | BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2), | |
5363 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5364 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5365 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5366 | BPF_EXIT_INSN(), | |
5367 | }, | |
5368 | .errstr = "invalid stack type R1 off=-64 access_size=65", | |
5369 | .result = REJECT, | |
5370 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5371 | }, | |
5372 | { | |
5373 | "helper access to variable memory: stack, JMP, correct bounds", | |
5374 | .insns = { | |
5375 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5376 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64), | |
5377 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5378 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64), | |
5379 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56), | |
5380 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48), | |
5381 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40), | |
5382 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32), | |
5383 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24), | |
5384 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16), | |
5385 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8), | |
5386 | BPF_MOV64_IMM(BPF_REG_2, 16), | |
5387 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128), | |
5388 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128), | |
5389 | BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 64, 4), | |
5390 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5391 | BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2), | |
5392 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5393 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5394 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5395 | BPF_EXIT_INSN(), | |
5396 | }, | |
5397 | .result = ACCEPT, | |
5398 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5399 | }, | |
5400 | { | |
5401 | "helper access to variable memory: stack, JMP (signed), correct bounds", | |
5402 | .insns = { | |
5403 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5404 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64), | |
5405 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5406 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64), | |
5407 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56), | |
5408 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48), | |
5409 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40), | |
5410 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32), | |
5411 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24), | |
5412 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16), | |
5413 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8), | |
5414 | BPF_MOV64_IMM(BPF_REG_2, 16), | |
5415 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128), | |
5416 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128), | |
5417 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, 64, 4), | |
5418 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5419 | BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2), | |
5420 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5421 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5422 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5423 | BPF_EXIT_INSN(), | |
5424 | }, | |
5425 | .result = ACCEPT, | |
5426 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5427 | }, | |
5428 | { | |
5429 | "helper access to variable memory: stack, JMP, bounds + offset", | |
5430 | .insns = { | |
5431 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5432 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64), | |
5433 | BPF_MOV64_IMM(BPF_REG_2, 16), | |
5434 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128), | |
5435 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128), | |
5436 | BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 64, 5), | |
5437 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5438 | BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 3), | |
5439 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), | |
5440 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5441 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5442 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5443 | BPF_EXIT_INSN(), | |
5444 | }, | |
5445 | .errstr = "invalid stack type R1 off=-64 access_size=65", | |
5446 | .result = REJECT, | |
5447 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5448 | }, | |
5449 | { | |
5450 | "helper access to variable memory: stack, JMP, wrong max", | |
5451 | .insns = { | |
5452 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5453 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64), | |
5454 | BPF_MOV64_IMM(BPF_REG_2, 16), | |
5455 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128), | |
5456 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128), | |
5457 | BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 65, 4), | |
5458 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5459 | BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2), | |
5460 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5461 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5462 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5463 | BPF_EXIT_INSN(), | |
5464 | }, | |
5465 | .errstr = "invalid stack type R1 off=-64 access_size=65", | |
5466 | .result = REJECT, | |
5467 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5468 | }, | |
5469 | { | |
5470 | "helper access to variable memory: stack, JMP, no max check", | |
5471 | .insns = { | |
5472 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5473 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64), | |
5474 | BPF_MOV64_IMM(BPF_REG_2, 16), | |
5475 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128), | |
5476 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128), | |
5477 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5478 | BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2), | |
5479 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5480 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5481 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5482 | BPF_EXIT_INSN(), | |
5483 | }, | |
f65b1849 EC |
5484 | /* because max wasn't checked, signed min is negative */ |
5485 | .errstr = "R2 min value is negative, either use unsigned or 'var &= const'", | |
06c1c049 GB |
5486 | .result = REJECT, |
5487 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5488 | }, | |
5489 | { | |
5490 | "helper access to variable memory: stack, JMP, no min check", | |
5491 | .insns = { | |
5492 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5493 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64), | |
5494 | BPF_MOV64_IMM(BPF_REG_2, 16), | |
5495 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128), | |
5496 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128), | |
5497 | BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 64, 3), | |
5498 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5499 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5500 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5501 | BPF_EXIT_INSN(), | |
5502 | }, | |
b6ff6391 | 5503 | .errstr = "invalid indirect read from stack off -64+0 size 64", |
06c1c049 GB |
5504 | .result = REJECT, |
5505 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5506 | }, | |
5507 | { | |
5508 | "helper access to variable memory: stack, JMP (signed), no min check", | |
5509 | .insns = { | |
5510 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5511 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64), | |
5512 | BPF_MOV64_IMM(BPF_REG_2, 16), | |
5513 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128), | |
5514 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128), | |
5515 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, 64, 3), | |
5516 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5517 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5518 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5519 | BPF_EXIT_INSN(), | |
5520 | }, | |
5521 | .errstr = "R2 min value is negative", | |
5522 | .result = REJECT, | |
5523 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5524 | }, | |
5525 | { | |
5526 | "helper access to variable memory: map, JMP, correct bounds", | |
5527 | .insns = { | |
5528 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5529 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5530 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5531 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5532 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5533 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10), | |
5534 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
5535 | BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)), | |
5536 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128), | |
5537 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128), | |
5538 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, | |
5539 | sizeof(struct test_val), 4), | |
5540 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
a1502132 | 5541 | BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2), |
06c1c049 GB |
5542 | BPF_MOV64_IMM(BPF_REG_3, 0), |
5543 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5544 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5545 | BPF_EXIT_INSN(), | |
5546 | }, | |
5547 | .fixup_map2 = { 3 }, | |
5548 | .result = ACCEPT, | |
5549 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5550 | }, | |
5551 | { | |
5552 | "helper access to variable memory: map, JMP, wrong max", | |
5553 | .insns = { | |
5554 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5555 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5556 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5557 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5558 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5559 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10), | |
5560 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
5561 | BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)), | |
5562 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128), | |
5563 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128), | |
5564 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, | |
5565 | sizeof(struct test_val) + 1, 4), | |
5566 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
a1502132 | 5567 | BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2), |
06c1c049 GB |
5568 | BPF_MOV64_IMM(BPF_REG_3, 0), |
5569 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5570 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5571 | BPF_EXIT_INSN(), | |
5572 | }, | |
5573 | .fixup_map2 = { 3 }, | |
5574 | .errstr = "invalid access to map value, value_size=48 off=0 size=49", | |
5575 | .result = REJECT, | |
5576 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5577 | }, | |
5578 | { | |
5579 | "helper access to variable memory: map adjusted, JMP, correct bounds", | |
5580 | .insns = { | |
5581 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5582 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5583 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5584 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5585 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5586 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11), | |
5587 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
5588 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 20), | |
5589 | BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)), | |
5590 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128), | |
5591 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128), | |
5592 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, | |
5593 | sizeof(struct test_val) - 20, 4), | |
5594 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
a1502132 | 5595 | BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2), |
06c1c049 GB |
5596 | BPF_MOV64_IMM(BPF_REG_3, 0), |
5597 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5598 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5599 | BPF_EXIT_INSN(), | |
5600 | }, | |
5601 | .fixup_map2 = { 3 }, | |
5602 | .result = ACCEPT, | |
5603 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5604 | }, | |
5605 | { | |
5606 | "helper access to variable memory: map adjusted, JMP, wrong max", | |
5607 | .insns = { | |
5608 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5609 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5610 | BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), | |
5611 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5612 | BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), | |
5613 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11), | |
5614 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
5615 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 20), | |
5616 | BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)), | |
5617 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128), | |
5618 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128), | |
5619 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, | |
5620 | sizeof(struct test_val) - 19, 4), | |
5621 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
a1502132 | 5622 | BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2), |
06c1c049 GB |
5623 | BPF_MOV64_IMM(BPF_REG_3, 0), |
5624 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5625 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5626 | BPF_EXIT_INSN(), | |
5627 | }, | |
5628 | .fixup_map2 = { 3 }, | |
5629 | .errstr = "R1 min value is outside of the array range", | |
5630 | .result = REJECT, | |
5631 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5632 | }, | |
f65b1849 EC |
5633 | { |
5634 | "helper access to variable memory: size = 0 allowed on NULL", | |
5635 | .insns = { | |
5636 | BPF_MOV64_IMM(BPF_REG_1, 0), | |
5637 | BPF_MOV64_IMM(BPF_REG_2, 0), | |
5638 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5639 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5640 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5641 | BPF_EMIT_CALL(BPF_FUNC_csum_diff), | |
5642 | BPF_EXIT_INSN(), | |
5643 | }, | |
5644 | .result = ACCEPT, | |
5645 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
5646 | }, | |
06c1c049 GB |
5647 | { |
5648 | "helper access to variable memory: size > 0 not allowed on NULL", | |
5649 | .insns = { | |
5650 | BPF_MOV64_IMM(BPF_REG_1, 0), | |
5651 | BPF_MOV64_IMM(BPF_REG_2, 0), | |
3fadc801 DB |
5652 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128), |
5653 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128), | |
06c1c049 GB |
5654 | BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 64), |
5655 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5656 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5657 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5658 | BPF_EMIT_CALL(BPF_FUNC_csum_diff), | |
5659 | BPF_EXIT_INSN(), | |
5660 | }, | |
f65b1849 | 5661 | .errstr = "R1 type=inv expected=fp", |
06c1c049 GB |
5662 | .result = REJECT, |
5663 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
5664 | }, | |
5665 | { | |
b6ff6391 | 5666 | "helper access to variable memory: size = 0 allowed on != NULL stack pointer", |
06c1c049 GB |
5667 | .insns = { |
5668 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5669 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8), | |
5670 | BPF_MOV64_IMM(BPF_REG_2, 0), | |
5671 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, 0), | |
5672 | BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 8), | |
5673 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5674 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5675 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5676 | BPF_EMIT_CALL(BPF_FUNC_csum_diff), | |
5677 | BPF_EXIT_INSN(), | |
5678 | }, | |
b6ff6391 YS |
5679 | .result = ACCEPT, |
5680 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
5681 | }, | |
5682 | { | |
5683 | "helper access to variable memory: size = 0 allowed on != NULL map pointer", | |
5684 | .insns = { | |
5685 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
5686 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5687 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5688 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5689 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
5690 | BPF_FUNC_map_lookup_elem), | |
5691 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6), | |
5692 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
5693 | BPF_MOV64_IMM(BPF_REG_2, 0), | |
5694 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5695 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5696 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5697 | BPF_EMIT_CALL(BPF_FUNC_csum_diff), | |
5698 | BPF_EXIT_INSN(), | |
5699 | }, | |
5700 | .fixup_map1 = { 3 }, | |
5701 | .result = ACCEPT, | |
5702 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
5703 | }, | |
5704 | { | |
5705 | "helper access to variable memory: size possible = 0 allowed on != NULL stack pointer", | |
5706 | .insns = { | |
5707 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
5708 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5709 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5710 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5711 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
5712 | BPF_FUNC_map_lookup_elem), | |
5713 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), | |
5714 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0), | |
5715 | BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 7), | |
5716 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5717 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8), | |
5718 | BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, 0), | |
5719 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5720 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5721 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5722 | BPF_EMIT_CALL(BPF_FUNC_csum_diff), | |
5723 | BPF_EXIT_INSN(), | |
5724 | }, | |
5725 | .fixup_map1 = { 3 }, | |
5726 | .result = ACCEPT, | |
5727 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
5728 | }, | |
5729 | { | |
5730 | "helper access to variable memory: size possible = 0 allowed on != NULL map pointer", | |
5731 | .insns = { | |
5732 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
5733 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5734 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5735 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5736 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
5737 | BPF_FUNC_map_lookup_elem), | |
5738 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), | |
5739 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
5740 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0), | |
5741 | BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 4), | |
5742 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5743 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5744 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5745 | BPF_EMIT_CALL(BPF_FUNC_csum_diff), | |
5746 | BPF_EXIT_INSN(), | |
5747 | }, | |
5748 | .fixup_map1 = { 3 }, | |
5749 | .result = ACCEPT, | |
5750 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
5751 | }, | |
5752 | { | |
5753 | "helper access to variable memory: size possible = 0 allowed on != NULL packet pointer", | |
5754 | .insns = { | |
5755 | BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, | |
5756 | offsetof(struct __sk_buff, data)), | |
5757 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
5758 | offsetof(struct __sk_buff, data_end)), | |
5759 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_6), | |
5760 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
5761 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 7), | |
5762 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), | |
5763 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 0), | |
5764 | BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 4), | |
5765 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5766 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5767 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
5768 | BPF_EMIT_CALL(BPF_FUNC_csum_diff), | |
5769 | BPF_EXIT_INSN(), | |
5770 | }, | |
5771 | .result = ACCEPT, | |
06c1c049 GB |
5772 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
5773 | }, | |
5774 | { | |
5775 | "helper access to variable memory: 8 bytes leak", | |
5776 | .insns = { | |
5777 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5778 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64), | |
5779 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5780 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64), | |
5781 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56), | |
5782 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48), | |
5783 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40), | |
5784 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24), | |
5785 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16), | |
5786 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8), | |
5787 | BPF_MOV64_IMM(BPF_REG_2, 0), | |
3fadc801 DB |
5788 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128), |
5789 | BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128), | |
06c1c049 GB |
5790 | BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 63), |
5791 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), | |
5792 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5793 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5794 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
5795 | BPF_EXIT_INSN(), | |
5796 | }, | |
5797 | .errstr = "invalid indirect read from stack off -64+32 size 64", | |
5798 | .result = REJECT, | |
5799 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5800 | }, | |
5801 | { | |
5802 | "helper access to variable memory: 8 bytes no leak (init memory)", | |
5803 | .insns = { | |
5804 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), | |
5805 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5806 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
5807 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64), | |
5808 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56), | |
5809 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48), | |
5810 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40), | |
5811 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32), | |
5812 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24), | |
5813 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16), | |
5814 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8), | |
5815 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64), | |
5816 | BPF_MOV64_IMM(BPF_REG_2, 0), | |
5817 | BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 32), | |
5818 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 32), | |
5819 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5820 | BPF_EMIT_CALL(BPF_FUNC_probe_read), | |
5821 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
5822 | BPF_EXIT_INSN(), | |
5823 | }, | |
5824 | .result = ACCEPT, | |
5825 | .prog_type = BPF_PROG_TYPE_TRACEPOINT, | |
5826 | }, | |
29200c19 JB |
5827 | { |
5828 | "invalid and of negative number", | |
5829 | .insns = { | |
5830 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
5831 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5832 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5833 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5834 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
5835 | BPF_FUNC_map_lookup_elem), | |
5836 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
f65b1849 | 5837 | BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0), |
29200c19 JB |
5838 | BPF_ALU64_IMM(BPF_AND, BPF_REG_1, -4), |
5839 | BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2), | |
5840 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
5841 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, | |
5842 | offsetof(struct test_val, foo)), | |
5843 | BPF_EXIT_INSN(), | |
5844 | }, | |
5845 | .fixup_map2 = { 3 }, | |
f65b1849 | 5846 | .errstr = "R0 max value is outside of the array range", |
29200c19 | 5847 | .result = REJECT, |
02ea80b1 | 5848 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
29200c19 JB |
5849 | }, |
5850 | { | |
5851 | "invalid range check", | |
5852 | .insns = { | |
5853 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
5854 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5855 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
5856 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5857 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
5858 | BPF_FUNC_map_lookup_elem), | |
5859 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 12), | |
5860 | BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), | |
5861 | BPF_MOV64_IMM(BPF_REG_9, 1), | |
5862 | BPF_ALU32_IMM(BPF_MOD, BPF_REG_1, 2), | |
5863 | BPF_ALU32_IMM(BPF_ADD, BPF_REG_1, 1), | |
5864 | BPF_ALU32_REG(BPF_AND, BPF_REG_9, BPF_REG_1), | |
5865 | BPF_ALU32_IMM(BPF_ADD, BPF_REG_9, 1), | |
5866 | BPF_ALU32_IMM(BPF_RSH, BPF_REG_9, 1), | |
5867 | BPF_MOV32_IMM(BPF_REG_3, 1), | |
5868 | BPF_ALU32_REG(BPF_SUB, BPF_REG_3, BPF_REG_9), | |
5869 | BPF_ALU32_IMM(BPF_MUL, BPF_REG_3, 0x10000000), | |
5870 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3), | |
5871 | BPF_STX_MEM(BPF_W, BPF_REG_0, BPF_REG_3, 0), | |
5872 | BPF_MOV64_REG(BPF_REG_0, 0), | |
5873 | BPF_EXIT_INSN(), | |
5874 | }, | |
5875 | .fixup_map2 = { 3 }, | |
f65b1849 | 5876 | .errstr = "R0 max value is outside of the array range", |
29200c19 | 5877 | .result = REJECT, |
02ea80b1 | 5878 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
fb30d4b7 MKL |
5879 | }, |
5880 | { | |
5881 | "map in map access", | |
5882 | .insns = { | |
5883 | BPF_ST_MEM(0, BPF_REG_10, -4, 0), | |
5884 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5885 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), | |
5886 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5887 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
5888 | BPF_FUNC_map_lookup_elem), | |
5889 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5), | |
5890 | BPF_ST_MEM(0, BPF_REG_10, -4, 0), | |
5891 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5892 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), | |
5893 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
5894 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
5895 | BPF_FUNC_map_lookup_elem), | |
5896 | BPF_MOV64_REG(BPF_REG_0, 0), | |
5897 | BPF_EXIT_INSN(), | |
5898 | }, | |
5899 | .fixup_map_in_map = { 3 }, | |
5900 | .result = ACCEPT, | |
5901 | }, | |
5902 | { | |
5903 | "invalid inner map pointer", | |
5904 | .insns = { | |
5905 | BPF_ST_MEM(0, BPF_REG_10, -4, 0), | |
5906 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5907 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), | |
5908 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5909 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
5910 | BPF_FUNC_map_lookup_elem), | |
5911 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6), | |
5912 | BPF_ST_MEM(0, BPF_REG_10, -4, 0), | |
5913 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5914 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), | |
5915 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
5916 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
5917 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
5918 | BPF_FUNC_map_lookup_elem), | |
5919 | BPF_MOV64_REG(BPF_REG_0, 0), | |
5920 | BPF_EXIT_INSN(), | |
5921 | }, | |
5922 | .fixup_map_in_map = { 3 }, | |
5923 | .errstr = "R1 type=inv expected=map_ptr", | |
f65b1849 | 5924 | .errstr_unpriv = "R1 pointer arithmetic on CONST_PTR_TO_MAP prohibited", |
fb30d4b7 MKL |
5925 | .result = REJECT, |
5926 | }, | |
5927 | { | |
5928 | "forgot null checking on the inner map pointer", | |
5929 | .insns = { | |
5930 | BPF_ST_MEM(0, BPF_REG_10, -4, 0), | |
5931 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5932 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), | |
5933 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
5934 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
5935 | BPF_FUNC_map_lookup_elem), | |
5936 | BPF_ST_MEM(0, BPF_REG_10, -4, 0), | |
5937 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
5938 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), | |
5939 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), | |
5940 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
5941 | BPF_FUNC_map_lookup_elem), | |
5942 | BPF_MOV64_REG(BPF_REG_0, 0), | |
5943 | BPF_EXIT_INSN(), | |
5944 | }, | |
5945 | .fixup_map_in_map = { 3 }, | |
5946 | .errstr = "R1 type=map_value_or_null expected=map_ptr", | |
5947 | .result = REJECT, | |
614d0d77 DB |
5948 | }, |
5949 | { | |
5950 | "ld_abs: check calling conv, r1", | |
5951 | .insns = { | |
5952 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), | |
5953 | BPF_MOV64_IMM(BPF_REG_1, 0), | |
5954 | BPF_LD_ABS(BPF_W, -0x200000), | |
5955 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), | |
5956 | BPF_EXIT_INSN(), | |
5957 | }, | |
5958 | .errstr = "R1 !read_ok", | |
5959 | .result = REJECT, | |
5960 | }, | |
5961 | { | |
5962 | "ld_abs: check calling conv, r2", | |
5963 | .insns = { | |
5964 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), | |
5965 | BPF_MOV64_IMM(BPF_REG_2, 0), | |
5966 | BPF_LD_ABS(BPF_W, -0x200000), | |
5967 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
5968 | BPF_EXIT_INSN(), | |
5969 | }, | |
5970 | .errstr = "R2 !read_ok", | |
5971 | .result = REJECT, | |
5972 | }, | |
5973 | { | |
5974 | "ld_abs: check calling conv, r3", | |
5975 | .insns = { | |
5976 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), | |
5977 | BPF_MOV64_IMM(BPF_REG_3, 0), | |
5978 | BPF_LD_ABS(BPF_W, -0x200000), | |
5979 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_3), | |
5980 | BPF_EXIT_INSN(), | |
5981 | }, | |
5982 | .errstr = "R3 !read_ok", | |
5983 | .result = REJECT, | |
5984 | }, | |
5985 | { | |
5986 | "ld_abs: check calling conv, r4", | |
5987 | .insns = { | |
5988 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), | |
5989 | BPF_MOV64_IMM(BPF_REG_4, 0), | |
5990 | BPF_LD_ABS(BPF_W, -0x200000), | |
5991 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_4), | |
5992 | BPF_EXIT_INSN(), | |
5993 | }, | |
5994 | .errstr = "R4 !read_ok", | |
5995 | .result = REJECT, | |
5996 | }, | |
5997 | { | |
5998 | "ld_abs: check calling conv, r5", | |
5999 | .insns = { | |
6000 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), | |
6001 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
6002 | BPF_LD_ABS(BPF_W, -0x200000), | |
6003 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_5), | |
6004 | BPF_EXIT_INSN(), | |
6005 | }, | |
6006 | .errstr = "R5 !read_ok", | |
6007 | .result = REJECT, | |
6008 | }, | |
6009 | { | |
6010 | "ld_abs: check calling conv, r7", | |
6011 | .insns = { | |
6012 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), | |
6013 | BPF_MOV64_IMM(BPF_REG_7, 0), | |
6014 | BPF_LD_ABS(BPF_W, -0x200000), | |
6015 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_7), | |
6016 | BPF_EXIT_INSN(), | |
6017 | }, | |
6018 | .result = ACCEPT, | |
6019 | }, | |
6020 | { | |
6021 | "ld_ind: check calling conv, r1", | |
6022 | .insns = { | |
6023 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), | |
6024 | BPF_MOV64_IMM(BPF_REG_1, 1), | |
6025 | BPF_LD_IND(BPF_W, BPF_REG_1, -0x200000), | |
6026 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), | |
6027 | BPF_EXIT_INSN(), | |
6028 | }, | |
6029 | .errstr = "R1 !read_ok", | |
6030 | .result = REJECT, | |
6031 | }, | |
6032 | { | |
6033 | "ld_ind: check calling conv, r2", | |
6034 | .insns = { | |
6035 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), | |
6036 | BPF_MOV64_IMM(BPF_REG_2, 1), | |
6037 | BPF_LD_IND(BPF_W, BPF_REG_2, -0x200000), | |
6038 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
6039 | BPF_EXIT_INSN(), | |
6040 | }, | |
6041 | .errstr = "R2 !read_ok", | |
6042 | .result = REJECT, | |
6043 | }, | |
6044 | { | |
6045 | "ld_ind: check calling conv, r3", | |
6046 | .insns = { | |
6047 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), | |
6048 | BPF_MOV64_IMM(BPF_REG_3, 1), | |
6049 | BPF_LD_IND(BPF_W, BPF_REG_3, -0x200000), | |
6050 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_3), | |
6051 | BPF_EXIT_INSN(), | |
6052 | }, | |
6053 | .errstr = "R3 !read_ok", | |
6054 | .result = REJECT, | |
6055 | }, | |
6056 | { | |
6057 | "ld_ind: check calling conv, r4", | |
6058 | .insns = { | |
6059 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), | |
6060 | BPF_MOV64_IMM(BPF_REG_4, 1), | |
6061 | BPF_LD_IND(BPF_W, BPF_REG_4, -0x200000), | |
6062 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_4), | |
6063 | BPF_EXIT_INSN(), | |
6064 | }, | |
6065 | .errstr = "R4 !read_ok", | |
6066 | .result = REJECT, | |
6067 | }, | |
6068 | { | |
6069 | "ld_ind: check calling conv, r5", | |
6070 | .insns = { | |
6071 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), | |
6072 | BPF_MOV64_IMM(BPF_REG_5, 1), | |
6073 | BPF_LD_IND(BPF_W, BPF_REG_5, -0x200000), | |
6074 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_5), | |
6075 | BPF_EXIT_INSN(), | |
6076 | }, | |
6077 | .errstr = "R5 !read_ok", | |
6078 | .result = REJECT, | |
6079 | }, | |
6080 | { | |
6081 | "ld_ind: check calling conv, r7", | |
6082 | .insns = { | |
6083 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), | |
6084 | BPF_MOV64_IMM(BPF_REG_7, 1), | |
6085 | BPF_LD_IND(BPF_W, BPF_REG_7, -0x200000), | |
6086 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_7), | |
6087 | BPF_EXIT_INSN(), | |
6088 | }, | |
6089 | .result = ACCEPT, | |
6090 | }, | |
18f3d6be YS |
6091 | { |
6092 | "check bpf_perf_event_data->sample_period byte load permitted", | |
6093 | .insns = { | |
6094 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2c460621 | 6095 | #if __BYTE_ORDER == __LITTLE_ENDIAN |
18f3d6be YS |
6096 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, |
6097 | offsetof(struct bpf_perf_event_data, sample_period)), | |
6098 | #else | |
6099 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, | |
6100 | offsetof(struct bpf_perf_event_data, sample_period) + 7), | |
6101 | #endif | |
6102 | BPF_EXIT_INSN(), | |
6103 | }, | |
6104 | .result = ACCEPT, | |
6105 | .prog_type = BPF_PROG_TYPE_PERF_EVENT, | |
6106 | }, | |
6107 | { | |
6108 | "check bpf_perf_event_data->sample_period half load permitted", | |
6109 | .insns = { | |
6110 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2c460621 | 6111 | #if __BYTE_ORDER == __LITTLE_ENDIAN |
18f3d6be YS |
6112 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, |
6113 | offsetof(struct bpf_perf_event_data, sample_period)), | |
6114 | #else | |
6115 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, | |
6116 | offsetof(struct bpf_perf_event_data, sample_period) + 6), | |
6117 | #endif | |
6118 | BPF_EXIT_INSN(), | |
6119 | }, | |
6120 | .result = ACCEPT, | |
6121 | .prog_type = BPF_PROG_TYPE_PERF_EVENT, | |
6122 | }, | |
6123 | { | |
6124 | "check bpf_perf_event_data->sample_period word load permitted", | |
6125 | .insns = { | |
6126 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2c460621 | 6127 | #if __BYTE_ORDER == __LITTLE_ENDIAN |
18f3d6be YS |
6128 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, |
6129 | offsetof(struct bpf_perf_event_data, sample_period)), | |
6130 | #else | |
6131 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
6132 | offsetof(struct bpf_perf_event_data, sample_period) + 4), | |
6133 | #endif | |
6134 | BPF_EXIT_INSN(), | |
6135 | }, | |
6136 | .result = ACCEPT, | |
6137 | .prog_type = BPF_PROG_TYPE_PERF_EVENT, | |
6138 | }, | |
6139 | { | |
6140 | "check bpf_perf_event_data->sample_period dword load permitted", | |
6141 | .insns = { | |
6142 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6143 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, | |
6144 | offsetof(struct bpf_perf_event_data, sample_period)), | |
6145 | BPF_EXIT_INSN(), | |
6146 | }, | |
6147 | .result = ACCEPT, | |
6148 | .prog_type = BPF_PROG_TYPE_PERF_EVENT, | |
6149 | }, | |
6150 | { | |
6151 | "check skb->data half load not permitted", | |
6152 | .insns = { | |
6153 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2c460621 | 6154 | #if __BYTE_ORDER == __LITTLE_ENDIAN |
18f3d6be YS |
6155 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, |
6156 | offsetof(struct __sk_buff, data)), | |
6157 | #else | |
6158 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, | |
6159 | offsetof(struct __sk_buff, data) + 2), | |
6160 | #endif | |
6161 | BPF_EXIT_INSN(), | |
6162 | }, | |
6163 | .result = REJECT, | |
6164 | .errstr = "invalid bpf_context access", | |
6165 | }, | |
6166 | { | |
6167 | "check skb->tc_classid half load not permitted for lwt prog", | |
6168 | .insns = { | |
6169 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
2c460621 | 6170 | #if __BYTE_ORDER == __LITTLE_ENDIAN |
18f3d6be YS |
6171 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, |
6172 | offsetof(struct __sk_buff, tc_classid)), | |
6173 | #else | |
6174 | BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, | |
6175 | offsetof(struct __sk_buff, tc_classid) + 2), | |
6176 | #endif | |
6177 | BPF_EXIT_INSN(), | |
6178 | }, | |
6179 | .result = REJECT, | |
6180 | .errstr = "invalid bpf_context access", | |
6181 | .prog_type = BPF_PROG_TYPE_LWT_IN, | |
6182 | }, | |
b712296a EC |
6183 | { |
6184 | "bounds checks mixing signed and unsigned, positive bounds", | |
6185 | .insns = { | |
6186 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6187 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6188 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6189 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6190 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6191 | BPF_FUNC_map_lookup_elem), | |
6192 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), | |
6193 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6194 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
6195 | BPF_MOV64_IMM(BPF_REG_2, 2), | |
6196 | BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 3), | |
6197 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 4, 2), | |
6198 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
6199 | BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), | |
6200 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6201 | BPF_EXIT_INSN(), | |
6202 | }, | |
6203 | .fixup_map1 = { 3 }, | |
b712296a EC |
6204 | .errstr = "R0 min value is negative", |
6205 | .result = REJECT, | |
b712296a EC |
6206 | }, |
6207 | { | |
6208 | "bounds checks mixing signed and unsigned", | |
6209 | .insns = { | |
6210 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6211 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6212 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6213 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6214 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6215 | BPF_FUNC_map_lookup_elem), | |
6216 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), | |
6217 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6218 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
6219 | BPF_MOV64_IMM(BPF_REG_2, -1), | |
6220 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3), | |
6221 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), | |
6222 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
6223 | BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), | |
6224 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6225 | BPF_EXIT_INSN(), | |
6226 | }, | |
6227 | .fixup_map1 = { 3 }, | |
b712296a EC |
6228 | .errstr = "R0 min value is negative", |
6229 | .result = REJECT, | |
b712296a | 6230 | }, |
86412502 DB |
6231 | { |
6232 | "bounds checks mixing signed and unsigned, variant 2", | |
6233 | .insns = { | |
6234 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6235 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6236 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6237 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6238 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6239 | BPF_FUNC_map_lookup_elem), | |
6240 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), | |
6241 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6242 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
6243 | BPF_MOV64_IMM(BPF_REG_2, -1), | |
6244 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5), | |
6245 | BPF_MOV64_IMM(BPF_REG_8, 0), | |
6246 | BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_1), | |
6247 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_8, 1, 2), | |
6248 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8), | |
6249 | BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0), | |
6250 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6251 | BPF_EXIT_INSN(), | |
6252 | }, | |
6253 | .fixup_map1 = { 3 }, | |
86412502 DB |
6254 | .errstr = "R8 invalid mem access 'inv'", |
6255 | .result = REJECT, | |
86412502 DB |
6256 | }, |
6257 | { | |
6258 | "bounds checks mixing signed and unsigned, variant 3", | |
6259 | .insns = { | |
6260 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6261 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6262 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6263 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6264 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6265 | BPF_FUNC_map_lookup_elem), | |
6266 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8), | |
6267 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6268 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
6269 | BPF_MOV64_IMM(BPF_REG_2, -1), | |
6270 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 4), | |
6271 | BPF_MOV64_REG(BPF_REG_8, BPF_REG_1), | |
6272 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_8, 1, 2), | |
6273 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8), | |
6274 | BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0), | |
6275 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6276 | BPF_EXIT_INSN(), | |
6277 | }, | |
6278 | .fixup_map1 = { 3 }, | |
86412502 DB |
6279 | .errstr = "R8 invalid mem access 'inv'", |
6280 | .result = REJECT, | |
86412502 DB |
6281 | }, |
6282 | { | |
6283 | "bounds checks mixing signed and unsigned, variant 4", | |
6284 | .insns = { | |
6285 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6286 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6287 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6288 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6289 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6290 | BPF_FUNC_map_lookup_elem), | |
6291 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), | |
6292 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6293 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
6294 | BPF_MOV64_IMM(BPF_REG_2, 1), | |
6295 | BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), | |
6296 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), | |
6297 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
6298 | BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), | |
6299 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6300 | BPF_EXIT_INSN(), | |
6301 | }, | |
6302 | .fixup_map1 = { 3 }, | |
f65b1849 | 6303 | .result = ACCEPT, |
86412502 DB |
6304 | }, |
6305 | { | |
6306 | "bounds checks mixing signed and unsigned, variant 5", | |
6307 | .insns = { | |
6308 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6309 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6310 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6311 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6312 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6313 | BPF_FUNC_map_lookup_elem), | |
6314 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), | |
6315 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6316 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
6317 | BPF_MOV64_IMM(BPF_REG_2, -1), | |
6318 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5), | |
6319 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 4), | |
6320 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 4), | |
6321 | BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1), | |
6322 | BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), | |
6323 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6324 | BPF_EXIT_INSN(), | |
6325 | }, | |
6326 | .fixup_map1 = { 3 }, | |
f65b1849 | 6327 | .errstr = "R0 min value is negative", |
86412502 | 6328 | .result = REJECT, |
86412502 DB |
6329 | }, |
6330 | { | |
6331 | "bounds checks mixing signed and unsigned, variant 6", | |
6332 | .insns = { | |
6333 | BPF_MOV64_IMM(BPF_REG_2, 0), | |
6334 | BPF_MOV64_REG(BPF_REG_3, BPF_REG_10), | |
6335 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -512), | |
6336 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6337 | BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -16), | |
6338 | BPF_MOV64_IMM(BPF_REG_6, -1), | |
6339 | BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_6, 5), | |
6340 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_4, 1, 4), | |
6341 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 1), | |
6342 | BPF_MOV64_IMM(BPF_REG_5, 0), | |
6343 | BPF_ST_MEM(BPF_H, BPF_REG_10, -512, 0), | |
6344 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6345 | BPF_FUNC_skb_load_bytes), | |
6346 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6347 | BPF_EXIT_INSN(), | |
6348 | }, | |
86412502 DB |
6349 | .errstr = "R4 min value is negative, either use unsigned", |
6350 | .result = REJECT, | |
86412502 DB |
6351 | }, |
6352 | { | |
6353 | "bounds checks mixing signed and unsigned, variant 7", | |
6354 | .insns = { | |
6355 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6356 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6357 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6358 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6359 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6360 | BPF_FUNC_map_lookup_elem), | |
6361 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), | |
6362 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6363 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
6364 | BPF_MOV64_IMM(BPF_REG_2, 1024 * 1024 * 1024), | |
6365 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3), | |
6366 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), | |
6367 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
6368 | BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), | |
6369 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6370 | BPF_EXIT_INSN(), | |
6371 | }, | |
6372 | .fixup_map1 = { 3 }, | |
f65b1849 | 6373 | .result = ACCEPT, |
86412502 DB |
6374 | }, |
6375 | { | |
6376 | "bounds checks mixing signed and unsigned, variant 8", | |
86412502 DB |
6377 | .insns = { |
6378 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6379 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6380 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6381 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6382 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6383 | BPF_FUNC_map_lookup_elem), | |
6384 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), | |
6385 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6386 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
6387 | BPF_MOV64_IMM(BPF_REG_2, -1), | |
6388 | BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2), | |
6389 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6390 | BPF_EXIT_INSN(), | |
6391 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), | |
6392 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
6393 | BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), | |
6394 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6395 | BPF_EXIT_INSN(), | |
6396 | }, | |
6397 | .fixup_map1 = { 3 }, | |
86412502 DB |
6398 | .errstr = "R0 min value is negative", |
6399 | .result = REJECT, | |
86412502 DB |
6400 | }, |
6401 | { | |
f65b1849 | 6402 | "bounds checks mixing signed and unsigned, variant 9", |
86412502 DB |
6403 | .insns = { |
6404 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6405 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6406 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6407 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6408 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6409 | BPF_FUNC_map_lookup_elem), | |
6410 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10), | |
6411 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6412 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
6413 | BPF_LD_IMM64(BPF_REG_2, -9223372036854775808ULL), | |
6414 | BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2), | |
6415 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6416 | BPF_EXIT_INSN(), | |
6417 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), | |
6418 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
6419 | BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), | |
6420 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6421 | BPF_EXIT_INSN(), | |
6422 | }, | |
6423 | .fixup_map1 = { 3 }, | |
f65b1849 | 6424 | .result = ACCEPT, |
86412502 DB |
6425 | }, |
6426 | { | |
f65b1849 | 6427 | "bounds checks mixing signed and unsigned, variant 10", |
86412502 DB |
6428 | .insns = { |
6429 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6430 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6431 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6432 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6433 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6434 | BPF_FUNC_map_lookup_elem), | |
6435 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), | |
6436 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6437 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
6438 | BPF_MOV64_IMM(BPF_REG_2, 0), | |
6439 | BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2), | |
6440 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6441 | BPF_EXIT_INSN(), | |
6442 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), | |
6443 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
6444 | BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), | |
6445 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6446 | BPF_EXIT_INSN(), | |
6447 | }, | |
6448 | .fixup_map1 = { 3 }, | |
86412502 DB |
6449 | .errstr = "R0 min value is negative", |
6450 | .result = REJECT, | |
86412502 DB |
6451 | }, |
6452 | { | |
f65b1849 | 6453 | "bounds checks mixing signed and unsigned, variant 11", |
86412502 DB |
6454 | .insns = { |
6455 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6456 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6457 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6458 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6459 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6460 | BPF_FUNC_map_lookup_elem), | |
6461 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), | |
6462 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6463 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
6464 | BPF_MOV64_IMM(BPF_REG_2, -1), | |
6465 | BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2), | |
6466 | /* Dead branch. */ | |
6467 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6468 | BPF_EXIT_INSN(), | |
6469 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), | |
6470 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
6471 | BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), | |
6472 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6473 | BPF_EXIT_INSN(), | |
6474 | }, | |
6475 | .fixup_map1 = { 3 }, | |
86412502 DB |
6476 | .errstr = "R0 min value is negative", |
6477 | .result = REJECT, | |
86412502 DB |
6478 | }, |
6479 | { | |
f65b1849 | 6480 | "bounds checks mixing signed and unsigned, variant 12", |
86412502 DB |
6481 | .insns = { |
6482 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6483 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6484 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6485 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6486 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6487 | BPF_FUNC_map_lookup_elem), | |
6488 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), | |
6489 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6490 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
6491 | BPF_MOV64_IMM(BPF_REG_2, -6), | |
6492 | BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2), | |
6493 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6494 | BPF_EXIT_INSN(), | |
6495 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), | |
6496 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
6497 | BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), | |
6498 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6499 | BPF_EXIT_INSN(), | |
6500 | }, | |
6501 | .fixup_map1 = { 3 }, | |
86412502 DB |
6502 | .errstr = "R0 min value is negative", |
6503 | .result = REJECT, | |
86412502 DB |
6504 | }, |
6505 | { | |
f65b1849 | 6506 | "bounds checks mixing signed and unsigned, variant 13", |
86412502 DB |
6507 | .insns = { |
6508 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6509 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6510 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6511 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6512 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6513 | BPF_FUNC_map_lookup_elem), | |
6514 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6), | |
6515 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6516 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
6517 | BPF_MOV64_IMM(BPF_REG_2, 2), | |
6518 | BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2), | |
6519 | BPF_MOV64_IMM(BPF_REG_7, 1), | |
6520 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, 0, 2), | |
6521 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6522 | BPF_EXIT_INSN(), | |
6523 | BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_1), | |
6524 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, 4, 2), | |
6525 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_7), | |
6526 | BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), | |
6527 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6528 | BPF_EXIT_INSN(), | |
6529 | }, | |
6530 | .fixup_map1 = { 3 }, | |
86412502 DB |
6531 | .errstr = "R0 min value is negative", |
6532 | .result = REJECT, | |
86412502 DB |
6533 | }, |
6534 | { | |
f65b1849 | 6535 | "bounds checks mixing signed and unsigned, variant 14", |
86412502 DB |
6536 | .insns = { |
6537 | BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1, | |
6538 | offsetof(struct __sk_buff, mark)), | |
6539 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6540 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6541 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6542 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6543 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6544 | BPF_FUNC_map_lookup_elem), | |
6545 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8), | |
6546 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6547 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
6548 | BPF_MOV64_IMM(BPF_REG_2, -1), | |
6549 | BPF_MOV64_IMM(BPF_REG_8, 2), | |
6550 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_9, 42, 6), | |
6551 | BPF_JMP_REG(BPF_JSGT, BPF_REG_8, BPF_REG_1, 3), | |
6552 | BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), | |
6553 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
6554 | BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), | |
6555 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6556 | BPF_EXIT_INSN(), | |
6557 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, -3), | |
6558 | BPF_JMP_IMM(BPF_JA, 0, 0, -7), | |
6559 | }, | |
6560 | .fixup_map1 = { 4 }, | |
86412502 DB |
6561 | .errstr = "R0 min value is negative", |
6562 | .result = REJECT, | |
86412502 DB |
6563 | }, |
6564 | { | |
f65b1849 | 6565 | "bounds checks mixing signed and unsigned, variant 15", |
86412502 DB |
6566 | .insns = { |
6567 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6568 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6569 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6570 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6571 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6572 | BPF_FUNC_map_lookup_elem), | |
6573 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), | |
6574 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), | |
6575 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), | |
6576 | BPF_MOV64_IMM(BPF_REG_2, -6), | |
6577 | BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2), | |
6578 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6579 | BPF_EXIT_INSN(), | |
6580 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
6581 | BPF_JMP_IMM(BPF_JGT, BPF_REG_0, 1, 2), | |
6582 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6583 | BPF_EXIT_INSN(), | |
6584 | BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), | |
6585 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6586 | BPF_EXIT_INSN(), | |
6587 | }, | |
6588 | .fixup_map1 = { 3 }, | |
f65b1849 | 6589 | .errstr_unpriv = "R0 pointer comparison prohibited", |
86412502 DB |
6590 | .errstr = "R0 min value is negative", |
6591 | .result = REJECT, | |
6592 | .result_unpriv = REJECT, | |
6593 | }, | |
545722cb | 6594 | { |
f65b1849 | 6595 | "subtraction bounds (map value) variant 1", |
545722cb EC |
6596 | .insns = { |
6597 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6598 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6599 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6600 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6601 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6602 | BPF_FUNC_map_lookup_elem), | |
6603 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), | |
6604 | BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0), | |
6605 | BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 0xff, 7), | |
6606 | BPF_LDX_MEM(BPF_B, BPF_REG_3, BPF_REG_0, 1), | |
6607 | BPF_JMP_IMM(BPF_JGT, BPF_REG_3, 0xff, 5), | |
6608 | BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_3), | |
6609 | BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 56), | |
6610 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
6611 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0), | |
6612 | BPF_EXIT_INSN(), | |
6613 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6614 | BPF_EXIT_INSN(), | |
6615 | }, | |
6616 | .fixup_map1 = { 3 }, | |
f65b1849 EC |
6617 | .errstr = "R0 max value is outside of the array range", |
6618 | .result = REJECT, | |
6619 | }, | |
6620 | { | |
6621 | "subtraction bounds (map value) variant 2", | |
6622 | .insns = { | |
6623 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6624 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6625 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6626 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6627 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6628 | BPF_FUNC_map_lookup_elem), | |
6629 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8), | |
6630 | BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0), | |
6631 | BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 0xff, 6), | |
6632 | BPF_LDX_MEM(BPF_B, BPF_REG_3, BPF_REG_0, 1), | |
6633 | BPF_JMP_IMM(BPF_JGT, BPF_REG_3, 0xff, 4), | |
6634 | BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_3), | |
6635 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
6636 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0), | |
6637 | BPF_EXIT_INSN(), | |
6638 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6639 | BPF_EXIT_INSN(), | |
6640 | }, | |
6641 | .fixup_map1 = { 3 }, | |
545722cb EC |
6642 | .errstr = "R0 min value is negative, either use unsigned index or do a if (index >=0) check.", |
6643 | .result = REJECT, | |
545722cb | 6644 | }, |
69c4e8ad EC |
6645 | { |
6646 | "variable-offset ctx access", | |
6647 | .insns = { | |
6648 | /* Get an unknown value */ | |
6649 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0), | |
6650 | /* Make it small and 4-byte aligned */ | |
6651 | BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4), | |
6652 | /* add it to skb. We now have either &skb->len or | |
6653 | * &skb->pkt_type, but we don't know which | |
6654 | */ | |
6655 | BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2), | |
6656 | /* dereference it */ | |
6657 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0), | |
6658 | BPF_EXIT_INSN(), | |
6659 | }, | |
6660 | .errstr = "variable ctx access var_off=(0x0; 0x4)", | |
6661 | .result = REJECT, | |
6662 | .prog_type = BPF_PROG_TYPE_LWT_IN, | |
6663 | }, | |
6664 | { | |
6665 | "variable-offset stack access", | |
6666 | .insns = { | |
6667 | /* Fill the top 8 bytes of the stack */ | |
6668 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6669 | /* Get an unknown value */ | |
6670 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0), | |
6671 | /* Make it small and 4-byte aligned */ | |
6672 | BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4), | |
6673 | BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 8), | |
6674 | /* add it to fp. We now have either fp-4 or fp-8, but | |
6675 | * we don't know which | |
6676 | */ | |
6677 | BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10), | |
6678 | /* dereference it */ | |
6679 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0), | |
6680 | BPF_EXIT_INSN(), | |
6681 | }, | |
6682 | .errstr = "variable stack access var_off=(0xfffffffffffffff8; 0x4)", | |
6683 | .result = REJECT, | |
6684 | .prog_type = BPF_PROG_TYPE_LWT_IN, | |
6685 | }, | |
d893dc26 EC |
6686 | { |
6687 | "liveness pruning and write screening", | |
6688 | .insns = { | |
6689 | /* Get an unknown value */ | |
6690 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0), | |
6691 | /* branch conditions teach us nothing about R2 */ | |
6692 | BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), | |
6693 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6694 | BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), | |
6695 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6696 | BPF_EXIT_INSN(), | |
6697 | }, | |
6698 | .errstr = "R0 !read_ok", | |
6699 | .result = REJECT, | |
6700 | .prog_type = BPF_PROG_TYPE_LWT_IN, | |
6701 | }, | |
df20cb7e AS |
6702 | { |
6703 | "varlen_map_value_access pruning", | |
6704 | .insns = { | |
6705 | BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), | |
6706 | BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), | |
6707 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), | |
6708 | BPF_LD_MAP_FD(BPF_REG_1, 0), | |
6709 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6710 | BPF_FUNC_map_lookup_elem), | |
6711 | BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8), | |
6712 | BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0), | |
6713 | BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES), | |
6714 | BPF_JMP_REG(BPF_JSGT, BPF_REG_2, BPF_REG_1, 1), | |
6715 | BPF_MOV32_IMM(BPF_REG_1, 0), | |
6716 | BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2), | |
6717 | BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), | |
6718 | BPF_JMP_IMM(BPF_JA, 0, 0, 0), | |
6719 | BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, | |
6720 | offsetof(struct test_val, foo)), | |
6721 | BPF_EXIT_INSN(), | |
6722 | }, | |
6723 | .fixup_map2 = { 3 }, | |
6724 | .errstr_unpriv = "R0 leaks addr", | |
6725 | .errstr = "R0 unbounded memory access", | |
6726 | .result_unpriv = REJECT, | |
6727 | .result = REJECT, | |
6728 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
6729 | }, | |
e67b8a68 EC |
6730 | { |
6731 | "invalid 64-bit BPF_END", | |
6732 | .insns = { | |
6733 | BPF_MOV32_IMM(BPF_REG_0, 0), | |
6734 | { | |
6735 | .code = BPF_ALU64 | BPF_END | BPF_TO_LE, | |
6736 | .dst_reg = BPF_REG_0, | |
6737 | .src_reg = 0, | |
6738 | .off = 0, | |
6739 | .imm = 32, | |
6740 | }, | |
6741 | BPF_EXIT_INSN(), | |
6742 | }, | |
6743 | .errstr = "BPF_END uses reserved fields", | |
6744 | .result = REJECT, | |
6745 | }, | |
22c88526 DB |
6746 | { |
6747 | "meta access, test1", | |
6748 | .insns = { | |
6749 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
6750 | offsetof(struct xdp_md, data_meta)), | |
6751 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
6752 | offsetof(struct xdp_md, data)), | |
6753 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
6754 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
6755 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
6756 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
6757 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6758 | BPF_EXIT_INSN(), | |
6759 | }, | |
6760 | .result = ACCEPT, | |
6761 | .prog_type = BPF_PROG_TYPE_XDP, | |
6762 | }, | |
6763 | { | |
6764 | "meta access, test2", | |
6765 | .insns = { | |
6766 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
6767 | offsetof(struct xdp_md, data_meta)), | |
6768 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
6769 | offsetof(struct xdp_md, data)), | |
6770 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
6771 | BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 8), | |
6772 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), | |
6773 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8), | |
6774 | BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1), | |
6775 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0), | |
6776 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6777 | BPF_EXIT_INSN(), | |
6778 | }, | |
6779 | .result = REJECT, | |
6780 | .errstr = "invalid access to packet, off=-8", | |
6781 | .prog_type = BPF_PROG_TYPE_XDP, | |
6782 | }, | |
6783 | { | |
6784 | "meta access, test3", | |
6785 | .insns = { | |
6786 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
6787 | offsetof(struct xdp_md, data_meta)), | |
6788 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
6789 | offsetof(struct xdp_md, data_end)), | |
6790 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), | |
6791 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
6792 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
6793 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
6794 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6795 | BPF_EXIT_INSN(), | |
6796 | }, | |
6797 | .result = REJECT, | |
6798 | .errstr = "invalid access to packet", | |
6799 | .prog_type = BPF_PROG_TYPE_XDP, | |
6800 | }, | |
6801 | { | |
6802 | "meta access, test4", | |
6803 | .insns = { | |
6804 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
6805 | offsetof(struct xdp_md, data_meta)), | |
6806 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
6807 | offsetof(struct xdp_md, data_end)), | |
6808 | BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, | |
6809 | offsetof(struct xdp_md, data)), | |
6810 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_4), | |
6811 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
6812 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1), | |
6813 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
6814 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6815 | BPF_EXIT_INSN(), | |
6816 | }, | |
6817 | .result = REJECT, | |
6818 | .errstr = "invalid access to packet", | |
6819 | .prog_type = BPF_PROG_TYPE_XDP, | |
6820 | }, | |
6821 | { | |
6822 | "meta access, test5", | |
6823 | .insns = { | |
6824 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
6825 | offsetof(struct xdp_md, data_meta)), | |
6826 | BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, | |
6827 | offsetof(struct xdp_md, data)), | |
6828 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_3), | |
6829 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
6830 | BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_4, 3), | |
6831 | BPF_MOV64_IMM(BPF_REG_2, -8), | |
6832 | BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, | |
6833 | BPF_FUNC_xdp_adjust_meta), | |
6834 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_3, 0), | |
6835 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6836 | BPF_EXIT_INSN(), | |
6837 | }, | |
6838 | .result = REJECT, | |
6839 | .errstr = "R3 !read_ok", | |
6840 | .prog_type = BPF_PROG_TYPE_XDP, | |
6841 | }, | |
6842 | { | |
6843 | "meta access, test6", | |
6844 | .insns = { | |
6845 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
6846 | offsetof(struct xdp_md, data_meta)), | |
6847 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
6848 | offsetof(struct xdp_md, data)), | |
6849 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_3), | |
6850 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
6851 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), | |
6852 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8), | |
6853 | BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_0, 1), | |
6854 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
6855 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6856 | BPF_EXIT_INSN(), | |
6857 | }, | |
6858 | .result = REJECT, | |
6859 | .errstr = "invalid access to packet", | |
6860 | .prog_type = BPF_PROG_TYPE_XDP, | |
6861 | }, | |
6862 | { | |
6863 | "meta access, test7", | |
6864 | .insns = { | |
6865 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
6866 | offsetof(struct xdp_md, data_meta)), | |
6867 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
6868 | offsetof(struct xdp_md, data)), | |
6869 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_3), | |
6870 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), | |
6871 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), | |
6872 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8), | |
6873 | BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1), | |
6874 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
6875 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6876 | BPF_EXIT_INSN(), | |
6877 | }, | |
6878 | .result = ACCEPT, | |
6879 | .prog_type = BPF_PROG_TYPE_XDP, | |
6880 | }, | |
6881 | { | |
6882 | "meta access, test8", | |
6883 | .insns = { | |
6884 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
6885 | offsetof(struct xdp_md, data_meta)), | |
6886 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
6887 | offsetof(struct xdp_md, data)), | |
6888 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), | |
6889 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0xFFFF), | |
6890 | BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1), | |
6891 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
6892 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6893 | BPF_EXIT_INSN(), | |
6894 | }, | |
6895 | .result = ACCEPT, | |
6896 | .prog_type = BPF_PROG_TYPE_XDP, | |
6897 | }, | |
6898 | { | |
6899 | "meta access, test9", | |
6900 | .insns = { | |
6901 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
6902 | offsetof(struct xdp_md, data_meta)), | |
6903 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
6904 | offsetof(struct xdp_md, data)), | |
6905 | BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), | |
6906 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0xFFFF), | |
6907 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 1), | |
6908 | BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1), | |
6909 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
6910 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6911 | BPF_EXIT_INSN(), | |
6912 | }, | |
6913 | .result = REJECT, | |
6914 | .errstr = "invalid access to packet", | |
6915 | .prog_type = BPF_PROG_TYPE_XDP, | |
6916 | }, | |
6917 | { | |
6918 | "meta access, test10", | |
6919 | .insns = { | |
6920 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
6921 | offsetof(struct xdp_md, data_meta)), | |
6922 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
6923 | offsetof(struct xdp_md, data)), | |
6924 | BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, | |
6925 | offsetof(struct xdp_md, data_end)), | |
6926 | BPF_MOV64_IMM(BPF_REG_5, 42), | |
6927 | BPF_MOV64_IMM(BPF_REG_6, 24), | |
6928 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_5, -8), | |
6929 | BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_6, -8), | |
6930 | BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -8), | |
6931 | BPF_JMP_IMM(BPF_JGT, BPF_REG_5, 100, 6), | |
6932 | BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_5), | |
6933 | BPF_MOV64_REG(BPF_REG_5, BPF_REG_3), | |
6934 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_2), | |
6935 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 8), | |
6936 | BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_5, 1), | |
6937 | BPF_LDX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0), | |
6938 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6939 | BPF_EXIT_INSN(), | |
6940 | }, | |
6941 | .result = REJECT, | |
6942 | .errstr = "invalid access to packet", | |
6943 | .prog_type = BPF_PROG_TYPE_XDP, | |
6944 | }, | |
6945 | { | |
6946 | "meta access, test11", | |
6947 | .insns = { | |
6948 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
6949 | offsetof(struct xdp_md, data_meta)), | |
6950 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
6951 | offsetof(struct xdp_md, data)), | |
6952 | BPF_MOV64_IMM(BPF_REG_5, 42), | |
6953 | BPF_MOV64_IMM(BPF_REG_6, 24), | |
6954 | BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_5, -8), | |
6955 | BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_6, -8), | |
6956 | BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -8), | |
6957 | BPF_JMP_IMM(BPF_JGT, BPF_REG_5, 100, 6), | |
6958 | BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_5), | |
6959 | BPF_MOV64_REG(BPF_REG_5, BPF_REG_2), | |
6960 | BPF_MOV64_REG(BPF_REG_6, BPF_REG_2), | |
6961 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 8), | |
6962 | BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_3, 1), | |
6963 | BPF_LDX_MEM(BPF_B, BPF_REG_5, BPF_REG_5, 0), | |
6964 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6965 | BPF_EXIT_INSN(), | |
6966 | }, | |
6967 | .result = ACCEPT, | |
6968 | .prog_type = BPF_PROG_TYPE_XDP, | |
6969 | }, | |
6970 | { | |
6971 | "meta access, test12", | |
6972 | .insns = { | |
6973 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
6974 | offsetof(struct xdp_md, data_meta)), | |
6975 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
6976 | offsetof(struct xdp_md, data)), | |
6977 | BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, | |
6978 | offsetof(struct xdp_md, data_end)), | |
6979 | BPF_MOV64_REG(BPF_REG_5, BPF_REG_3), | |
6980 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 16), | |
6981 | BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_4, 5), | |
6982 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_3, 0), | |
6983 | BPF_MOV64_REG(BPF_REG_5, BPF_REG_2), | |
6984 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 16), | |
6985 | BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_3, 1), | |
6986 | BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0), | |
6987 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
6988 | BPF_EXIT_INSN(), | |
6989 | }, | |
6990 | .result = ACCEPT, | |
6991 | .prog_type = BPF_PROG_TYPE_XDP, | |
6992 | }, | |
28e33f9d JK |
6993 | { |
6994 | "arithmetic ops make PTR_TO_CTX unusable", | |
6995 | .insns = { | |
6996 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, | |
6997 | offsetof(struct __sk_buff, data) - | |
6998 | offsetof(struct __sk_buff, mark)), | |
6999 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, | |
7000 | offsetof(struct __sk_buff, mark)), | |
7001 | BPF_EXIT_INSN(), | |
7002 | }, | |
7003 | .errstr = "dereference of modified ctx ptr R1 off=68+8, ctx+const is allowed, ctx+const+const is not", | |
7004 | .result = REJECT, | |
7005 | .prog_type = BPF_PROG_TYPE_SCHED_CLS, | |
7006 | }, | |
b37242c7 DB |
7007 | { |
7008 | "XDP pkt read, pkt_end mangling, bad access 1", | |
7009 | .insns = { | |
7010 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7011 | offsetof(struct xdp_md, data)), | |
7012 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7013 | offsetof(struct xdp_md, data_end)), | |
7014 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7015 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7016 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 8), | |
7017 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1), | |
7018 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7019 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7020 | BPF_EXIT_INSN(), | |
7021 | }, | |
7022 | .errstr = "R1 offset is outside of the packet", | |
7023 | .result = REJECT, | |
7024 | .prog_type = BPF_PROG_TYPE_XDP, | |
7025 | }, | |
7026 | { | |
7027 | "XDP pkt read, pkt_end mangling, bad access 2", | |
7028 | .insns = { | |
7029 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7030 | offsetof(struct xdp_md, data)), | |
7031 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7032 | offsetof(struct xdp_md, data_end)), | |
7033 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7034 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7035 | BPF_ALU64_IMM(BPF_SUB, BPF_REG_3, 8), | |
7036 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1), | |
7037 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7038 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7039 | BPF_EXIT_INSN(), | |
7040 | }, | |
7041 | .errstr = "R1 offset is outside of the packet", | |
7042 | .result = REJECT, | |
7043 | .prog_type = BPF_PROG_TYPE_XDP, | |
7044 | }, | |
7045 | { | |
7046 | "XDP pkt read, pkt_data' > pkt_end, good access", | |
7047 | .insns = { | |
7048 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7049 | offsetof(struct xdp_md, data)), | |
7050 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7051 | offsetof(struct xdp_md, data_end)), | |
7052 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7053 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7054 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1), | |
7055 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7056 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7057 | BPF_EXIT_INSN(), | |
7058 | }, | |
7059 | .result = ACCEPT, | |
7060 | .prog_type = BPF_PROG_TYPE_XDP, | |
7061 | }, | |
7062 | { | |
7063 | "XDP pkt read, pkt_data' > pkt_end, bad access 1", | |
7064 | .insns = { | |
7065 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7066 | offsetof(struct xdp_md, data)), | |
7067 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7068 | offsetof(struct xdp_md, data_end)), | |
7069 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7070 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7071 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1), | |
7072 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4), | |
7073 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7074 | BPF_EXIT_INSN(), | |
7075 | }, | |
7076 | .errstr = "R1 offset is outside of the packet", | |
7077 | .result = REJECT, | |
7078 | .prog_type = BPF_PROG_TYPE_XDP, | |
7079 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7080 | }, | |
7081 | { | |
7082 | "XDP pkt read, pkt_data' > pkt_end, bad access 2", | |
7083 | .insns = { | |
7084 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7085 | offsetof(struct xdp_md, data)), | |
7086 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7087 | offsetof(struct xdp_md, data_end)), | |
7088 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7089 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7090 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 0), | |
7091 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7092 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7093 | BPF_EXIT_INSN(), | |
7094 | }, | |
7095 | .errstr = "R1 offset is outside of the packet", | |
7096 | .result = REJECT, | |
7097 | .prog_type = BPF_PROG_TYPE_XDP, | |
7098 | }, | |
7099 | { | |
7100 | "XDP pkt read, pkt_end > pkt_data', good access", | |
7101 | .insns = { | |
7102 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7103 | offsetof(struct xdp_md, data)), | |
7104 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7105 | offsetof(struct xdp_md, data_end)), | |
7106 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7107 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7108 | BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1), | |
7109 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7110 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5), | |
7111 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7112 | BPF_EXIT_INSN(), | |
7113 | }, | |
7114 | .result = ACCEPT, | |
7115 | .prog_type = BPF_PROG_TYPE_XDP, | |
7116 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7117 | }, | |
7118 | { | |
7119 | "XDP pkt read, pkt_end > pkt_data', bad access 1", | |
7120 | .insns = { | |
7121 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7122 | offsetof(struct xdp_md, data)), | |
7123 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7124 | offsetof(struct xdp_md, data_end)), | |
7125 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7126 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7127 | BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1), | |
7128 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7129 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7130 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7131 | BPF_EXIT_INSN(), | |
7132 | }, | |
7133 | .errstr = "R1 offset is outside of the packet", | |
7134 | .result = REJECT, | |
7135 | .prog_type = BPF_PROG_TYPE_XDP, | |
7136 | }, | |
7137 | { | |
7138 | "XDP pkt read, pkt_end > pkt_data', bad access 2", | |
7139 | .insns = { | |
7140 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7141 | offsetof(struct xdp_md, data)), | |
7142 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7143 | offsetof(struct xdp_md, data_end)), | |
7144 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7145 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7146 | BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1), | |
7147 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7148 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7149 | BPF_EXIT_INSN(), | |
7150 | }, | |
7151 | .errstr = "R1 offset is outside of the packet", | |
7152 | .result = REJECT, | |
7153 | .prog_type = BPF_PROG_TYPE_XDP, | |
7154 | }, | |
7155 | { | |
7156 | "XDP pkt read, pkt_data' < pkt_end, good access", | |
7157 | .insns = { | |
7158 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7159 | offsetof(struct xdp_md, data)), | |
7160 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7161 | offsetof(struct xdp_md, data_end)), | |
7162 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7163 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7164 | BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1), | |
7165 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7166 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5), | |
7167 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7168 | BPF_EXIT_INSN(), | |
7169 | }, | |
7170 | .result = ACCEPT, | |
7171 | .prog_type = BPF_PROG_TYPE_XDP, | |
7172 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7173 | }, | |
7174 | { | |
7175 | "XDP pkt read, pkt_data' < pkt_end, bad access 1", | |
7176 | .insns = { | |
7177 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7178 | offsetof(struct xdp_md, data)), | |
7179 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7180 | offsetof(struct xdp_md, data_end)), | |
7181 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7182 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7183 | BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1), | |
7184 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7185 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7186 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7187 | BPF_EXIT_INSN(), | |
7188 | }, | |
7189 | .errstr = "R1 offset is outside of the packet", | |
7190 | .result = REJECT, | |
7191 | .prog_type = BPF_PROG_TYPE_XDP, | |
7192 | }, | |
7193 | { | |
7194 | "XDP pkt read, pkt_data' < pkt_end, bad access 2", | |
7195 | .insns = { | |
7196 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7197 | offsetof(struct xdp_md, data)), | |
7198 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7199 | offsetof(struct xdp_md, data_end)), | |
7200 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7201 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7202 | BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1), | |
7203 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7204 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7205 | BPF_EXIT_INSN(), | |
7206 | }, | |
7207 | .errstr = "R1 offset is outside of the packet", | |
7208 | .result = REJECT, | |
7209 | .prog_type = BPF_PROG_TYPE_XDP, | |
7210 | }, | |
7211 | { | |
7212 | "XDP pkt read, pkt_end < pkt_data', good access", | |
7213 | .insns = { | |
7214 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7215 | offsetof(struct xdp_md, data)), | |
7216 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7217 | offsetof(struct xdp_md, data_end)), | |
7218 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7219 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7220 | BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1), | |
7221 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7222 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7223 | BPF_EXIT_INSN(), | |
7224 | }, | |
7225 | .result = ACCEPT, | |
7226 | .prog_type = BPF_PROG_TYPE_XDP, | |
7227 | }, | |
7228 | { | |
7229 | "XDP pkt read, pkt_end < pkt_data', bad access 1", | |
7230 | .insns = { | |
7231 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7232 | offsetof(struct xdp_md, data)), | |
7233 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7234 | offsetof(struct xdp_md, data_end)), | |
7235 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7236 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7237 | BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1), | |
7238 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4), | |
7239 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7240 | BPF_EXIT_INSN(), | |
7241 | }, | |
7242 | .errstr = "R1 offset is outside of the packet", | |
7243 | .result = REJECT, | |
7244 | .prog_type = BPF_PROG_TYPE_XDP, | |
7245 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7246 | }, | |
7247 | { | |
7248 | "XDP pkt read, pkt_end < pkt_data', bad access 2", | |
7249 | .insns = { | |
7250 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7251 | offsetof(struct xdp_md, data)), | |
7252 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7253 | offsetof(struct xdp_md, data_end)), | |
7254 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7255 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7256 | BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 0), | |
7257 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7258 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7259 | BPF_EXIT_INSN(), | |
7260 | }, | |
7261 | .errstr = "R1 offset is outside of the packet", | |
7262 | .result = REJECT, | |
7263 | .prog_type = BPF_PROG_TYPE_XDP, | |
7264 | }, | |
7265 | { | |
7266 | "XDP pkt read, pkt_data' >= pkt_end, good access", | |
7267 | .insns = { | |
7268 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7269 | offsetof(struct xdp_md, data)), | |
7270 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7271 | offsetof(struct xdp_md, data_end)), | |
7272 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7273 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7274 | BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1), | |
7275 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5), | |
7276 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7277 | BPF_EXIT_INSN(), | |
7278 | }, | |
7279 | .result = ACCEPT, | |
7280 | .prog_type = BPF_PROG_TYPE_XDP, | |
7281 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7282 | }, | |
7283 | { | |
7284 | "XDP pkt read, pkt_data' >= pkt_end, bad access 1", | |
7285 | .insns = { | |
7286 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7287 | offsetof(struct xdp_md, data)), | |
7288 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7289 | offsetof(struct xdp_md, data_end)), | |
7290 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7291 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7292 | BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1), | |
7293 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7294 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7295 | BPF_EXIT_INSN(), | |
7296 | }, | |
7297 | .errstr = "R1 offset is outside of the packet", | |
7298 | .result = REJECT, | |
7299 | .prog_type = BPF_PROG_TYPE_XDP, | |
7300 | }, | |
7301 | { | |
7302 | "XDP pkt read, pkt_data' >= pkt_end, bad access 2", | |
7303 | .insns = { | |
7304 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7305 | offsetof(struct xdp_md, data)), | |
7306 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7307 | offsetof(struct xdp_md, data_end)), | |
7308 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7309 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7310 | BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 0), | |
7311 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5), | |
7312 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7313 | BPF_EXIT_INSN(), | |
7314 | }, | |
7315 | .errstr = "R1 offset is outside of the packet", | |
7316 | .result = REJECT, | |
7317 | .prog_type = BPF_PROG_TYPE_XDP, | |
7318 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7319 | }, | |
7320 | { | |
7321 | "XDP pkt read, pkt_end >= pkt_data', good access", | |
7322 | .insns = { | |
7323 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7324 | offsetof(struct xdp_md, data)), | |
7325 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7326 | offsetof(struct xdp_md, data_end)), | |
7327 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7328 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7329 | BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1), | |
7330 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7331 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7332 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7333 | BPF_EXIT_INSN(), | |
7334 | }, | |
7335 | .result = ACCEPT, | |
7336 | .prog_type = BPF_PROG_TYPE_XDP, | |
7337 | }, | |
7338 | { | |
7339 | "XDP pkt read, pkt_end >= pkt_data', bad access 1", | |
7340 | .insns = { | |
7341 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7342 | offsetof(struct xdp_md, data)), | |
7343 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7344 | offsetof(struct xdp_md, data_end)), | |
7345 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7346 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7347 | BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1), | |
7348 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7349 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4), | |
7350 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7351 | BPF_EXIT_INSN(), | |
7352 | }, | |
7353 | .errstr = "R1 offset is outside of the packet", | |
7354 | .result = REJECT, | |
7355 | .prog_type = BPF_PROG_TYPE_XDP, | |
7356 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7357 | }, | |
7358 | { | |
7359 | "XDP pkt read, pkt_end >= pkt_data', bad access 2", | |
7360 | .insns = { | |
7361 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7362 | offsetof(struct xdp_md, data)), | |
7363 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7364 | offsetof(struct xdp_md, data_end)), | |
7365 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7366 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7367 | BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1), | |
7368 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7369 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7370 | BPF_EXIT_INSN(), | |
7371 | }, | |
7372 | .errstr = "R1 offset is outside of the packet", | |
7373 | .result = REJECT, | |
7374 | .prog_type = BPF_PROG_TYPE_XDP, | |
7375 | }, | |
7376 | { | |
7377 | "XDP pkt read, pkt_data' <= pkt_end, good access", | |
7378 | .insns = { | |
7379 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7380 | offsetof(struct xdp_md, data)), | |
7381 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7382 | offsetof(struct xdp_md, data_end)), | |
7383 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7384 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7385 | BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1), | |
7386 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7387 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7388 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7389 | BPF_EXIT_INSN(), | |
7390 | }, | |
7391 | .result = ACCEPT, | |
7392 | .prog_type = BPF_PROG_TYPE_XDP, | |
7393 | }, | |
7394 | { | |
7395 | "XDP pkt read, pkt_data' <= pkt_end, bad access 1", | |
7396 | .insns = { | |
7397 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7398 | offsetof(struct xdp_md, data)), | |
7399 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7400 | offsetof(struct xdp_md, data_end)), | |
7401 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7402 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7403 | BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1), | |
7404 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7405 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4), | |
7406 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7407 | BPF_EXIT_INSN(), | |
7408 | }, | |
7409 | .errstr = "R1 offset is outside of the packet", | |
7410 | .result = REJECT, | |
7411 | .prog_type = BPF_PROG_TYPE_XDP, | |
7412 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7413 | }, | |
7414 | { | |
7415 | "XDP pkt read, pkt_data' <= pkt_end, bad access 2", | |
7416 | .insns = { | |
7417 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7418 | offsetof(struct xdp_md, data)), | |
7419 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7420 | offsetof(struct xdp_md, data_end)), | |
7421 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7422 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7423 | BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1), | |
7424 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7425 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7426 | BPF_EXIT_INSN(), | |
7427 | }, | |
7428 | .errstr = "R1 offset is outside of the packet", | |
7429 | .result = REJECT, | |
7430 | .prog_type = BPF_PROG_TYPE_XDP, | |
7431 | }, | |
7432 | { | |
7433 | "XDP pkt read, pkt_end <= pkt_data', good access", | |
7434 | .insns = { | |
7435 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7436 | offsetof(struct xdp_md, data)), | |
7437 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7438 | offsetof(struct xdp_md, data_end)), | |
7439 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7440 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7441 | BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1), | |
7442 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5), | |
7443 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7444 | BPF_EXIT_INSN(), | |
7445 | }, | |
7446 | .result = ACCEPT, | |
7447 | .prog_type = BPF_PROG_TYPE_XDP, | |
7448 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7449 | }, | |
7450 | { | |
7451 | "XDP pkt read, pkt_end <= pkt_data', bad access 1", | |
7452 | .insns = { | |
7453 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7454 | offsetof(struct xdp_md, data)), | |
7455 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7456 | offsetof(struct xdp_md, data_end)), | |
7457 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7458 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7459 | BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1), | |
7460 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7461 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7462 | BPF_EXIT_INSN(), | |
7463 | }, | |
7464 | .errstr = "R1 offset is outside of the packet", | |
7465 | .result = REJECT, | |
7466 | .prog_type = BPF_PROG_TYPE_XDP, | |
7467 | }, | |
7468 | { | |
7469 | "XDP pkt read, pkt_end <= pkt_data', bad access 2", | |
7470 | .insns = { | |
7471 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7472 | offsetof(struct xdp_md, data)), | |
7473 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7474 | offsetof(struct xdp_md, data_end)), | |
7475 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7476 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7477 | BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 0), | |
7478 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5), | |
7479 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7480 | BPF_EXIT_INSN(), | |
7481 | }, | |
7482 | .errstr = "R1 offset is outside of the packet", | |
7483 | .result = REJECT, | |
7484 | .prog_type = BPF_PROG_TYPE_XDP, | |
7485 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7486 | }, | |
634eab11 DB |
7487 | { |
7488 | "XDP pkt read, pkt_meta' > pkt_data, good access", | |
7489 | .insns = { | |
7490 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7491 | offsetof(struct xdp_md, data_meta)), | |
7492 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7493 | offsetof(struct xdp_md, data)), | |
7494 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7495 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7496 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1), | |
7497 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7498 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7499 | BPF_EXIT_INSN(), | |
7500 | }, | |
7501 | .result = ACCEPT, | |
7502 | .prog_type = BPF_PROG_TYPE_XDP, | |
7503 | }, | |
7504 | { | |
7505 | "XDP pkt read, pkt_meta' > pkt_data, bad access 1", | |
7506 | .insns = { | |
7507 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7508 | offsetof(struct xdp_md, data_meta)), | |
7509 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7510 | offsetof(struct xdp_md, data)), | |
7511 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7512 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7513 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1), | |
7514 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4), | |
7515 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7516 | BPF_EXIT_INSN(), | |
7517 | }, | |
7518 | .errstr = "R1 offset is outside of the packet", | |
7519 | .result = REJECT, | |
7520 | .prog_type = BPF_PROG_TYPE_XDP, | |
7521 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7522 | }, | |
7523 | { | |
7524 | "XDP pkt read, pkt_meta' > pkt_data, bad access 2", | |
7525 | .insns = { | |
7526 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7527 | offsetof(struct xdp_md, data_meta)), | |
7528 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7529 | offsetof(struct xdp_md, data)), | |
7530 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7531 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7532 | BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 0), | |
7533 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7534 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7535 | BPF_EXIT_INSN(), | |
7536 | }, | |
7537 | .errstr = "R1 offset is outside of the packet", | |
7538 | .result = REJECT, | |
7539 | .prog_type = BPF_PROG_TYPE_XDP, | |
7540 | }, | |
7541 | { | |
7542 | "XDP pkt read, pkt_data > pkt_meta', good access", | |
7543 | .insns = { | |
7544 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7545 | offsetof(struct xdp_md, data_meta)), | |
7546 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7547 | offsetof(struct xdp_md, data)), | |
7548 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7549 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7550 | BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1), | |
7551 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7552 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5), | |
7553 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7554 | BPF_EXIT_INSN(), | |
7555 | }, | |
7556 | .result = ACCEPT, | |
7557 | .prog_type = BPF_PROG_TYPE_XDP, | |
7558 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7559 | }, | |
7560 | { | |
7561 | "XDP pkt read, pkt_data > pkt_meta', bad access 1", | |
7562 | .insns = { | |
7563 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7564 | offsetof(struct xdp_md, data_meta)), | |
7565 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7566 | offsetof(struct xdp_md, data)), | |
7567 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7568 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7569 | BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1), | |
7570 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7571 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7572 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7573 | BPF_EXIT_INSN(), | |
7574 | }, | |
7575 | .errstr = "R1 offset is outside of the packet", | |
7576 | .result = REJECT, | |
7577 | .prog_type = BPF_PROG_TYPE_XDP, | |
7578 | }, | |
7579 | { | |
7580 | "XDP pkt read, pkt_data > pkt_meta', bad access 2", | |
7581 | .insns = { | |
7582 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7583 | offsetof(struct xdp_md, data_meta)), | |
7584 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7585 | offsetof(struct xdp_md, data)), | |
7586 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7587 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7588 | BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1), | |
7589 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7590 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7591 | BPF_EXIT_INSN(), | |
7592 | }, | |
7593 | .errstr = "R1 offset is outside of the packet", | |
7594 | .result = REJECT, | |
7595 | .prog_type = BPF_PROG_TYPE_XDP, | |
7596 | }, | |
7597 | { | |
7598 | "XDP pkt read, pkt_meta' < pkt_data, good access", | |
7599 | .insns = { | |
7600 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7601 | offsetof(struct xdp_md, data_meta)), | |
7602 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7603 | offsetof(struct xdp_md, data)), | |
7604 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7605 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7606 | BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1), | |
7607 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7608 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5), | |
7609 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7610 | BPF_EXIT_INSN(), | |
7611 | }, | |
7612 | .result = ACCEPT, | |
7613 | .prog_type = BPF_PROG_TYPE_XDP, | |
7614 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7615 | }, | |
7616 | { | |
7617 | "XDP pkt read, pkt_meta' < pkt_data, bad access 1", | |
7618 | .insns = { | |
7619 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7620 | offsetof(struct xdp_md, data_meta)), | |
7621 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7622 | offsetof(struct xdp_md, data)), | |
7623 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7624 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7625 | BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1), | |
7626 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7627 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7628 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7629 | BPF_EXIT_INSN(), | |
7630 | }, | |
7631 | .errstr = "R1 offset is outside of the packet", | |
7632 | .result = REJECT, | |
7633 | .prog_type = BPF_PROG_TYPE_XDP, | |
7634 | }, | |
7635 | { | |
7636 | "XDP pkt read, pkt_meta' < pkt_data, bad access 2", | |
7637 | .insns = { | |
7638 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7639 | offsetof(struct xdp_md, data_meta)), | |
7640 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7641 | offsetof(struct xdp_md, data)), | |
7642 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7643 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7644 | BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1), | |
7645 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7646 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7647 | BPF_EXIT_INSN(), | |
7648 | }, | |
7649 | .errstr = "R1 offset is outside of the packet", | |
7650 | .result = REJECT, | |
7651 | .prog_type = BPF_PROG_TYPE_XDP, | |
7652 | }, | |
7653 | { | |
7654 | "XDP pkt read, pkt_data < pkt_meta', good access", | |
7655 | .insns = { | |
7656 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7657 | offsetof(struct xdp_md, data_meta)), | |
7658 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7659 | offsetof(struct xdp_md, data)), | |
7660 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7661 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7662 | BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1), | |
7663 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7664 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7665 | BPF_EXIT_INSN(), | |
7666 | }, | |
7667 | .result = ACCEPT, | |
7668 | .prog_type = BPF_PROG_TYPE_XDP, | |
7669 | }, | |
7670 | { | |
7671 | "XDP pkt read, pkt_data < pkt_meta', bad access 1", | |
7672 | .insns = { | |
7673 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7674 | offsetof(struct xdp_md, data_meta)), | |
7675 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7676 | offsetof(struct xdp_md, data)), | |
7677 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7678 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7679 | BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1), | |
7680 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4), | |
7681 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7682 | BPF_EXIT_INSN(), | |
7683 | }, | |
7684 | .errstr = "R1 offset is outside of the packet", | |
7685 | .result = REJECT, | |
7686 | .prog_type = BPF_PROG_TYPE_XDP, | |
7687 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7688 | }, | |
7689 | { | |
7690 | "XDP pkt read, pkt_data < pkt_meta', bad access 2", | |
7691 | .insns = { | |
7692 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7693 | offsetof(struct xdp_md, data_meta)), | |
7694 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7695 | offsetof(struct xdp_md, data)), | |
7696 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7697 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7698 | BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 0), | |
7699 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7700 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7701 | BPF_EXIT_INSN(), | |
7702 | }, | |
7703 | .errstr = "R1 offset is outside of the packet", | |
7704 | .result = REJECT, | |
7705 | .prog_type = BPF_PROG_TYPE_XDP, | |
7706 | }, | |
7707 | { | |
7708 | "XDP pkt read, pkt_meta' >= pkt_data, good access", | |
7709 | .insns = { | |
7710 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7711 | offsetof(struct xdp_md, data_meta)), | |
7712 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7713 | offsetof(struct xdp_md, data)), | |
7714 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7715 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7716 | BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1), | |
7717 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5), | |
7718 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7719 | BPF_EXIT_INSN(), | |
7720 | }, | |
7721 | .result = ACCEPT, | |
7722 | .prog_type = BPF_PROG_TYPE_XDP, | |
7723 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7724 | }, | |
7725 | { | |
7726 | "XDP pkt read, pkt_meta' >= pkt_data, bad access 1", | |
7727 | .insns = { | |
7728 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7729 | offsetof(struct xdp_md, data_meta)), | |
7730 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7731 | offsetof(struct xdp_md, data)), | |
7732 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7733 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7734 | BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1), | |
7735 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7736 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7737 | BPF_EXIT_INSN(), | |
7738 | }, | |
7739 | .errstr = "R1 offset is outside of the packet", | |
7740 | .result = REJECT, | |
7741 | .prog_type = BPF_PROG_TYPE_XDP, | |
7742 | }, | |
7743 | { | |
7744 | "XDP pkt read, pkt_meta' >= pkt_data, bad access 2", | |
7745 | .insns = { | |
7746 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7747 | offsetof(struct xdp_md, data_meta)), | |
7748 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7749 | offsetof(struct xdp_md, data)), | |
7750 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7751 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7752 | BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 0), | |
7753 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5), | |
7754 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7755 | BPF_EXIT_INSN(), | |
7756 | }, | |
7757 | .errstr = "R1 offset is outside of the packet", | |
7758 | .result = REJECT, | |
7759 | .prog_type = BPF_PROG_TYPE_XDP, | |
7760 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7761 | }, | |
7762 | { | |
7763 | "XDP pkt read, pkt_data >= pkt_meta', good access", | |
7764 | .insns = { | |
7765 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7766 | offsetof(struct xdp_md, data_meta)), | |
7767 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7768 | offsetof(struct xdp_md, data)), | |
7769 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7770 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7771 | BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1), | |
7772 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7773 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7774 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7775 | BPF_EXIT_INSN(), | |
7776 | }, | |
7777 | .result = ACCEPT, | |
7778 | .prog_type = BPF_PROG_TYPE_XDP, | |
7779 | }, | |
7780 | { | |
7781 | "XDP pkt read, pkt_data >= pkt_meta', bad access 1", | |
7782 | .insns = { | |
7783 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7784 | offsetof(struct xdp_md, data_meta)), | |
7785 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7786 | offsetof(struct xdp_md, data)), | |
7787 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7788 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7789 | BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1), | |
7790 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7791 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4), | |
7792 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7793 | BPF_EXIT_INSN(), | |
7794 | }, | |
7795 | .errstr = "R1 offset is outside of the packet", | |
7796 | .result = REJECT, | |
7797 | .prog_type = BPF_PROG_TYPE_XDP, | |
7798 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7799 | }, | |
7800 | { | |
7801 | "XDP pkt read, pkt_data >= pkt_meta', bad access 2", | |
7802 | .insns = { | |
7803 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7804 | offsetof(struct xdp_md, data_meta)), | |
7805 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7806 | offsetof(struct xdp_md, data)), | |
7807 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7808 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7809 | BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1), | |
7810 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7811 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7812 | BPF_EXIT_INSN(), | |
7813 | }, | |
7814 | .errstr = "R1 offset is outside of the packet", | |
7815 | .result = REJECT, | |
7816 | .prog_type = BPF_PROG_TYPE_XDP, | |
7817 | }, | |
7818 | { | |
7819 | "XDP pkt read, pkt_meta' <= pkt_data, good access", | |
7820 | .insns = { | |
7821 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7822 | offsetof(struct xdp_md, data_meta)), | |
7823 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7824 | offsetof(struct xdp_md, data)), | |
7825 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7826 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7827 | BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1), | |
7828 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7829 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7830 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7831 | BPF_EXIT_INSN(), | |
7832 | }, | |
7833 | .result = ACCEPT, | |
7834 | .prog_type = BPF_PROG_TYPE_XDP, | |
7835 | }, | |
7836 | { | |
7837 | "XDP pkt read, pkt_meta' <= pkt_data, bad access 1", | |
7838 | .insns = { | |
7839 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7840 | offsetof(struct xdp_md, data_meta)), | |
7841 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7842 | offsetof(struct xdp_md, data)), | |
7843 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7844 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7845 | BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1), | |
7846 | BPF_JMP_IMM(BPF_JA, 0, 0, 1), | |
7847 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4), | |
7848 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7849 | BPF_EXIT_INSN(), | |
7850 | }, | |
7851 | .errstr = "R1 offset is outside of the packet", | |
7852 | .result = REJECT, | |
7853 | .prog_type = BPF_PROG_TYPE_XDP, | |
7854 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7855 | }, | |
7856 | { | |
7857 | "XDP pkt read, pkt_meta' <= pkt_data, bad access 2", | |
7858 | .insns = { | |
7859 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7860 | offsetof(struct xdp_md, data_meta)), | |
7861 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7862 | offsetof(struct xdp_md, data)), | |
7863 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7864 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7865 | BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1), | |
7866 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7867 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7868 | BPF_EXIT_INSN(), | |
7869 | }, | |
7870 | .errstr = "R1 offset is outside of the packet", | |
7871 | .result = REJECT, | |
7872 | .prog_type = BPF_PROG_TYPE_XDP, | |
7873 | }, | |
7874 | { | |
7875 | "XDP pkt read, pkt_data <= pkt_meta', good access", | |
7876 | .insns = { | |
7877 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7878 | offsetof(struct xdp_md, data_meta)), | |
7879 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7880 | offsetof(struct xdp_md, data)), | |
7881 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7882 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7883 | BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1), | |
7884 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5), | |
7885 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7886 | BPF_EXIT_INSN(), | |
7887 | }, | |
7888 | .result = ACCEPT, | |
7889 | .prog_type = BPF_PROG_TYPE_XDP, | |
7890 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7891 | }, | |
7892 | { | |
7893 | "XDP pkt read, pkt_data <= pkt_meta', bad access 1", | |
7894 | .insns = { | |
7895 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7896 | offsetof(struct xdp_md, data_meta)), | |
7897 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7898 | offsetof(struct xdp_md, data)), | |
7899 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7900 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7901 | BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1), | |
7902 | BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), | |
7903 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7904 | BPF_EXIT_INSN(), | |
7905 | }, | |
7906 | .errstr = "R1 offset is outside of the packet", | |
7907 | .result = REJECT, | |
7908 | .prog_type = BPF_PROG_TYPE_XDP, | |
7909 | }, | |
7910 | { | |
7911 | "XDP pkt read, pkt_data <= pkt_meta', bad access 2", | |
7912 | .insns = { | |
7913 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, | |
7914 | offsetof(struct xdp_md, data_meta)), | |
7915 | BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, | |
7916 | offsetof(struct xdp_md, data)), | |
7917 | BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), | |
7918 | BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), | |
7919 | BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 0), | |
7920 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5), | |
7921 | BPF_MOV64_IMM(BPF_REG_0, 0), | |
7922 | BPF_EXIT_INSN(), | |
7923 | }, | |
7924 | .errstr = "R1 offset is outside of the packet", | |
7925 | .result = REJECT, | |
7926 | .prog_type = BPF_PROG_TYPE_XDP, | |
7927 | .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
7928 | }, | |
b06723da DB |
7929 | { |
7930 | "bpf_exit with invalid return code. test1", | |
7931 | .insns = { | |
7932 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0), | |
7933 | BPF_EXIT_INSN(), | |
7934 | }, | |
7935 | .errstr = "R0 has value (0x0; 0xffffffff)", | |
7936 | .result = REJECT, | |
7937 | .prog_type = BPF_PROG_TYPE_CGROUP_SOCK, | |
7938 | }, | |
7939 | { | |
7940 | "bpf_exit with invalid return code. test2", | |
7941 | .insns = { | |
7942 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0), | |
7943 | BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1), | |
7944 | BPF_EXIT_INSN(), | |
7945 | }, | |
7946 | .result = ACCEPT, | |
7947 | .prog_type = BPF_PROG_TYPE_CGROUP_SOCK, | |
7948 | }, | |
7949 | { | |
7950 | "bpf_exit with invalid return code. test3", | |
7951 | .insns = { | |
7952 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0), | |
7953 | BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 3), | |
7954 | BPF_EXIT_INSN(), | |
7955 | }, | |
7956 | .errstr = "R0 has value (0x0; 0x3)", | |
7957 | .result = REJECT, | |
7958 | .prog_type = BPF_PROG_TYPE_CGROUP_SOCK, | |
7959 | }, | |
7960 | { | |
7961 | "bpf_exit with invalid return code. test4", | |
7962 | .insns = { | |
7963 | BPF_MOV64_IMM(BPF_REG_0, 1), | |
7964 | BPF_EXIT_INSN(), | |
7965 | }, | |
7966 | .result = ACCEPT, | |
7967 | .prog_type = BPF_PROG_TYPE_CGROUP_SOCK, | |
7968 | }, | |
7969 | { | |
7970 | "bpf_exit with invalid return code. test5", | |
7971 | .insns = { | |
7972 | BPF_MOV64_IMM(BPF_REG_0, 2), | |
7973 | BPF_EXIT_INSN(), | |
7974 | }, | |
7975 | .errstr = "R0 has value (0x2; 0x0)", | |
7976 | .result = REJECT, | |
7977 | .prog_type = BPF_PROG_TYPE_CGROUP_SOCK, | |
7978 | }, | |
7979 | { | |
7980 | "bpf_exit with invalid return code. test6", | |
7981 | .insns = { | |
7982 | BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), | |
7983 | BPF_EXIT_INSN(), | |
7984 | }, | |
7985 | .errstr = "R0 is not a known value (ctx)", | |
7986 | .result = REJECT, | |
7987 | .prog_type = BPF_PROG_TYPE_CGROUP_SOCK, | |
7988 | }, | |
7989 | { | |
7990 | "bpf_exit with invalid return code. test7", | |
7991 | .insns = { | |
7992 | BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0), | |
7993 | BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 4), | |
7994 | BPF_ALU64_REG(BPF_MUL, BPF_REG_0, BPF_REG_2), | |
7995 | BPF_EXIT_INSN(), | |
7996 | }, | |
7997 | .errstr = "R0 has unknown scalar value", | |
7998 | .result = REJECT, | |
7999 | .prog_type = BPF_PROG_TYPE_CGROUP_SOCK, | |
8000 | }, | |
3c731eba AS |
8001 | }; |
8002 | ||
5aa5bd14 | 8003 | static int probe_filter_length(const struct bpf_insn *fp) |
3c731eba | 8004 | { |
5aa5bd14 | 8005 | int len; |
3c731eba AS |
8006 | |
8007 | for (len = MAX_INSNS - 1; len > 0; --len) | |
8008 | if (fp[len].code != 0 || fp[len].imm != 0) | |
8009 | break; | |
3c731eba AS |
8010 | return len + 1; |
8011 | } | |
8012 | ||
5aa5bd14 | 8013 | static int create_map(uint32_t size_value, uint32_t max_elem) |
3c731eba | 8014 | { |
5aa5bd14 | 8015 | int fd; |
3c731eba | 8016 | |
f4874d01 | 8017 | fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(long long), |
5aa5bd14 DB |
8018 | size_value, max_elem, BPF_F_NO_PREALLOC); |
8019 | if (fd < 0) | |
8020 | printf("Failed to create hash map '%s'!\n", strerror(errno)); | |
bf508877 | 8021 | |
5aa5bd14 | 8022 | return fd; |
bf508877 AS |
8023 | } |
8024 | ||
8025 | static int create_prog_array(void) | |
8026 | { | |
5aa5bd14 | 8027 | int fd; |
bf508877 | 8028 | |
f4874d01 | 8029 | fd = bpf_create_map(BPF_MAP_TYPE_PROG_ARRAY, sizeof(int), |
5aa5bd14 DB |
8030 | sizeof(int), 4, 0); |
8031 | if (fd < 0) | |
8032 | printf("Failed to create prog array '%s'!\n", strerror(errno)); | |
3c731eba | 8033 | |
5aa5bd14 | 8034 | return fd; |
3c731eba AS |
8035 | } |
8036 | ||
fb30d4b7 MKL |
8037 | static int create_map_in_map(void) |
8038 | { | |
8039 | int inner_map_fd, outer_map_fd; | |
8040 | ||
8041 | inner_map_fd = bpf_create_map(BPF_MAP_TYPE_ARRAY, sizeof(int), | |
8042 | sizeof(int), 1, 0); | |
8043 | if (inner_map_fd < 0) { | |
8044 | printf("Failed to create array '%s'!\n", strerror(errno)); | |
8045 | return inner_map_fd; | |
8046 | } | |
8047 | ||
88cda1c9 | 8048 | outer_map_fd = bpf_create_map_in_map(BPF_MAP_TYPE_ARRAY_OF_MAPS, NULL, |
fb30d4b7 MKL |
8049 | sizeof(int), inner_map_fd, 1, 0); |
8050 | if (outer_map_fd < 0) | |
8051 | printf("Failed to create array of maps '%s'!\n", | |
8052 | strerror(errno)); | |
8053 | ||
8054 | close(inner_map_fd); | |
8055 | ||
8056 | return outer_map_fd; | |
8057 | } | |
8058 | ||
5aa5bd14 DB |
8059 | static char bpf_vlog[32768]; |
8060 | ||
8061 | static void do_test_fixup(struct bpf_test *test, struct bpf_insn *prog, | |
fb30d4b7 | 8062 | int *map_fds) |
3c731eba | 8063 | { |
5aa5bd14 DB |
8064 | int *fixup_map1 = test->fixup_map1; |
8065 | int *fixup_map2 = test->fixup_map2; | |
8066 | int *fixup_prog = test->fixup_prog; | |
fb30d4b7 | 8067 | int *fixup_map_in_map = test->fixup_map_in_map; |
3c731eba | 8068 | |
5aa5bd14 DB |
8069 | /* Allocating HTs with 1 elem is fine here, since we only test |
8070 | * for verifier and not do a runtime lookup, so the only thing | |
8071 | * that really matters is value size in this case. | |
8072 | */ | |
8073 | if (*fixup_map1) { | |
fb30d4b7 | 8074 | map_fds[0] = create_map(sizeof(long long), 1); |
5aa5bd14 | 8075 | do { |
fb30d4b7 | 8076 | prog[*fixup_map1].imm = map_fds[0]; |
5aa5bd14 DB |
8077 | fixup_map1++; |
8078 | } while (*fixup_map1); | |
8079 | } | |
3c731eba | 8080 | |
5aa5bd14 | 8081 | if (*fixup_map2) { |
fb30d4b7 | 8082 | map_fds[1] = create_map(sizeof(struct test_val), 1); |
5aa5bd14 | 8083 | do { |
fb30d4b7 | 8084 | prog[*fixup_map2].imm = map_fds[1]; |
5aa5bd14 DB |
8085 | fixup_map2++; |
8086 | } while (*fixup_map2); | |
8087 | } | |
3c731eba | 8088 | |
5aa5bd14 | 8089 | if (*fixup_prog) { |
fb30d4b7 | 8090 | map_fds[2] = create_prog_array(); |
5aa5bd14 | 8091 | do { |
fb30d4b7 | 8092 | prog[*fixup_prog].imm = map_fds[2]; |
5aa5bd14 DB |
8093 | fixup_prog++; |
8094 | } while (*fixup_prog); | |
8095 | } | |
fb30d4b7 MKL |
8096 | |
8097 | if (*fixup_map_in_map) { | |
8098 | map_fds[3] = create_map_in_map(); | |
8099 | do { | |
8100 | prog[*fixup_map_in_map].imm = map_fds[3]; | |
8101 | fixup_map_in_map++; | |
8102 | } while (*fixup_map_in_map); | |
8103 | } | |
5aa5bd14 | 8104 | } |
bf508877 | 8105 | |
5aa5bd14 DB |
8106 | static void do_test_single(struct bpf_test *test, bool unpriv, |
8107 | int *passes, int *errors) | |
8108 | { | |
02ea80b1 | 8109 | int fd_prog, expected_ret, reject_from_alignment; |
5aa5bd14 DB |
8110 | struct bpf_insn *prog = test->insns; |
8111 | int prog_len = probe_filter_length(prog); | |
8112 | int prog_type = test->prog_type; | |
fb30d4b7 | 8113 | int map_fds[MAX_NR_MAPS]; |
5aa5bd14 | 8114 | const char *expected_err; |
fb30d4b7 MKL |
8115 | int i; |
8116 | ||
8117 | for (i = 0; i < MAX_NR_MAPS; i++) | |
8118 | map_fds[i] = -1; | |
48461135 | 8119 | |
fb30d4b7 | 8120 | do_test_fixup(test, prog, map_fds); |
3c731eba | 8121 | |
614d0d77 DB |
8122 | fd_prog = bpf_verify_program(prog_type ? : BPF_PROG_TYPE_SOCKET_FILTER, |
8123 | prog, prog_len, test->flags & F_LOAD_WITH_STRICT_ALIGNMENT, | |
d6554904 | 8124 | "GPL", 0, bpf_vlog, sizeof(bpf_vlog), 1); |
3c731eba | 8125 | |
5aa5bd14 DB |
8126 | expected_ret = unpriv && test->result_unpriv != UNDEF ? |
8127 | test->result_unpriv : test->result; | |
8128 | expected_err = unpriv && test->errstr_unpriv ? | |
8129 | test->errstr_unpriv : test->errstr; | |
02ea80b1 DB |
8130 | |
8131 | reject_from_alignment = fd_prog < 0 && | |
8132 | (test->flags & F_NEEDS_EFFICIENT_UNALIGNED_ACCESS) && | |
8133 | strstr(bpf_vlog, "Unknown alignment."); | |
8134 | #ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS | |
8135 | if (reject_from_alignment) { | |
8136 | printf("FAIL\nFailed due to alignment despite having efficient unaligned access: '%s'!\n", | |
8137 | strerror(errno)); | |
8138 | goto fail_log; | |
8139 | } | |
8140 | #endif | |
5aa5bd14 | 8141 | if (expected_ret == ACCEPT) { |
02ea80b1 | 8142 | if (fd_prog < 0 && !reject_from_alignment) { |
5aa5bd14 DB |
8143 | printf("FAIL\nFailed to load prog '%s'!\n", |
8144 | strerror(errno)); | |
8145 | goto fail_log; | |
8146 | } | |
8147 | } else { | |
8148 | if (fd_prog >= 0) { | |
8149 | printf("FAIL\nUnexpected success to load!\n"); | |
8150 | goto fail_log; | |
8151 | } | |
02ea80b1 | 8152 | if (!strstr(bpf_vlog, expected_err) && !reject_from_alignment) { |
5aa5bd14 DB |
8153 | printf("FAIL\nUnexpected error message!\n"); |
8154 | goto fail_log; | |
8155 | } | |
8156 | } | |
bf508877 | 8157 | |
5aa5bd14 | 8158 | (*passes)++; |
02ea80b1 DB |
8159 | printf("OK%s\n", reject_from_alignment ? |
8160 | " (NOTE: reject due to unknown alignment)" : ""); | |
5aa5bd14 DB |
8161 | close_fds: |
8162 | close(fd_prog); | |
fb30d4b7 MKL |
8163 | for (i = 0; i < MAX_NR_MAPS; i++) |
8164 | close(map_fds[i]); | |
5aa5bd14 DB |
8165 | sched_yield(); |
8166 | return; | |
8167 | fail_log: | |
8168 | (*errors)++; | |
8169 | printf("%s", bpf_vlog); | |
8170 | goto close_fds; | |
8171 | } | |
bf508877 | 8172 | |
d02d8986 MS |
8173 | static bool is_admin(void) |
8174 | { | |
8175 | cap_t caps; | |
8176 | cap_flag_value_t sysadmin = CAP_CLEAR; | |
8177 | const cap_value_t cap_val = CAP_SYS_ADMIN; | |
8178 | ||
1da8ac7c | 8179 | #ifdef CAP_IS_SUPPORTED |
d02d8986 MS |
8180 | if (!CAP_IS_SUPPORTED(CAP_SETFCAP)) { |
8181 | perror("cap_get_flag"); | |
8182 | return false; | |
8183 | } | |
1da8ac7c | 8184 | #endif |
d02d8986 MS |
8185 | caps = cap_get_proc(); |
8186 | if (!caps) { | |
8187 | perror("cap_get_proc"); | |
8188 | return false; | |
8189 | } | |
8190 | if (cap_get_flag(caps, cap_val, CAP_EFFECTIVE, &sysadmin)) | |
8191 | perror("cap_get_flag"); | |
8192 | if (cap_free(caps)) | |
8193 | perror("cap_free"); | |
8194 | return (sysadmin == CAP_SET); | |
8195 | } | |
8196 | ||
8197 | static int set_admin(bool admin) | |
8198 | { | |
8199 | cap_t caps; | |
8200 | const cap_value_t cap_val = CAP_SYS_ADMIN; | |
8201 | int ret = -1; | |
8202 | ||
8203 | caps = cap_get_proc(); | |
8204 | if (!caps) { | |
8205 | perror("cap_get_proc"); | |
8206 | return -1; | |
8207 | } | |
8208 | if (cap_set_flag(caps, CAP_EFFECTIVE, 1, &cap_val, | |
8209 | admin ? CAP_SET : CAP_CLEAR)) { | |
8210 | perror("cap_set_flag"); | |
8211 | goto out; | |
8212 | } | |
8213 | if (cap_set_proc(caps)) { | |
8214 | perror("cap_set_proc"); | |
8215 | goto out; | |
8216 | } | |
8217 | ret = 0; | |
8218 | out: | |
8219 | if (cap_free(caps)) | |
8220 | perror("cap_free"); | |
8221 | return ret; | |
8222 | } | |
8223 | ||
5aa5bd14 DB |
8224 | static int do_test(bool unpriv, unsigned int from, unsigned int to) |
8225 | { | |
8226 | int i, passes = 0, errors = 0; | |
3c731eba | 8227 | |
5aa5bd14 DB |
8228 | for (i = from; i < to; i++) { |
8229 | struct bpf_test *test = &tests[i]; | |
3c731eba | 8230 | |
5aa5bd14 DB |
8231 | /* Program types that are not supported by non-root we |
8232 | * skip right away. | |
8233 | */ | |
d02d8986 MS |
8234 | if (!test->prog_type) { |
8235 | if (!unpriv) | |
8236 | set_admin(false); | |
8237 | printf("#%d/u %s ", i, test->descr); | |
8238 | do_test_single(test, true, &passes, &errors); | |
8239 | if (!unpriv) | |
8240 | set_admin(true); | |
8241 | } | |
5aa5bd14 | 8242 | |
d02d8986 MS |
8243 | if (!unpriv) { |
8244 | printf("#%d/p %s ", i, test->descr); | |
8245 | do_test_single(test, false, &passes, &errors); | |
8246 | } | |
3c731eba AS |
8247 | } |
8248 | ||
5aa5bd14 | 8249 | printf("Summary: %d PASSED, %d FAILED\n", passes, errors); |
efe5f9c0 | 8250 | return errors ? EXIT_FAILURE : EXIT_SUCCESS; |
3c731eba AS |
8251 | } |
8252 | ||
5aa5bd14 | 8253 | int main(int argc, char **argv) |
3c731eba | 8254 | { |
5aa5bd14 DB |
8255 | struct rlimit rinf = { RLIM_INFINITY, RLIM_INFINITY }; |
8256 | struct rlimit rlim = { 1 << 20, 1 << 20 }; | |
8257 | unsigned int from = 0, to = ARRAY_SIZE(tests); | |
d02d8986 | 8258 | bool unpriv = !is_admin(); |
5aa5bd14 DB |
8259 | |
8260 | if (argc == 3) { | |
8261 | unsigned int l = atoi(argv[argc - 2]); | |
8262 | unsigned int u = atoi(argv[argc - 1]); | |
8263 | ||
8264 | if (l < to && u < to) { | |
8265 | from = l; | |
8266 | to = u + 1; | |
8267 | } | |
8268 | } else if (argc == 2) { | |
8269 | unsigned int t = atoi(argv[argc - 1]); | |
8270 | ||
8271 | if (t < to) { | |
8272 | from = t; | |
8273 | to = t + 1; | |
8274 | } | |
8275 | } | |
bf508877 | 8276 | |
5aa5bd14 DB |
8277 | setrlimit(RLIMIT_MEMLOCK, unpriv ? &rlim : &rinf); |
8278 | return do_test(unpriv, from, to); | |
3c731eba | 8279 | } |