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author | Jens Axboe <axboe@kernel.dk> | 2019-10-14 09:07:03 -0600 |
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committer | Jens Axboe <axboe@kernel.dk> | 2019-10-14 09:07:03 -0600 |
commit | 19ca53282d86edd42261076c4a7433fbd5dc1e20 (patch) | |
tree | 02813f5f6388af8d73a9b76df7ede9f0e97c2a44 /test | |
parent | 24bd08736590ef541708ad258086fac9b7573cc3 (diff) | |
download | liburing-19ca53282d86edd42261076c4a7433fbd5dc1e20.tar.gz liburing-19ca53282d86edd42261076c4a7433fbd5dc1e20.tar.bz2 |
Add test case for skb/socket ref count issues with fully sparse file set
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'test')
-rw-r--r-- | test/Makefile | 5 | ||||
-rw-r--r-- | test/a0908ae19763-test.c | 59 |
2 files changed, 62 insertions, 2 deletions
diff --git a/test/Makefile b/test/Makefile index 13f0346..3ab5f81 100644 --- a/test/Makefile +++ b/test/Makefile @@ -7,7 +7,7 @@ all_targets += poll poll-cancel ring-leak fsync io_uring_setup io_uring_register 917257daa0fe-test b19062a56726-test eeed8b54e0df-test link \ send_recvmsg a4c0b3decb33-test 500f9fbadef8-test timeout \ sq-space_left stdout cq-ready cq-peek-batch file-register \ - cq-size 8a9973408177-test + cq-size 8a9973408177-test a0908ae19763-test include ../Makefile.quiet @@ -21,7 +21,8 @@ test_srcs := poll.c poll-cancel.c ring-leak.c fsync.c io_uring_setup.c \ 35fa71a030ca-test.c 917257daa0fe-test.c b19062a56726-test.c \ eeed8b54e0df-test.c link.c send_recvmsg.c a4c0b3decb33-test.c \ 500f9fbadef8-test.c timeout.c sq-space_left.c stdout.c cq-ready.c\ - cq-peek-batch.c file-register.c cq-size.c 8a9973408177-test.c + cq-peek-batch.c file-register.c cq-size.c 8a9973408177-test.c \ + a0908ae19763-test.c test_objs := $(patsubst %.c,%.ol,$(test_srcs)) diff --git a/test/a0908ae19763-test.c b/test/a0908ae19763-test.c new file mode 100644 index 0000000..cacd70c --- /dev/null +++ b/test/a0908ae19763-test.c @@ -0,0 +1,59 @@ +// autogenerated by syzkaller (https://github.com/google/syzkaller) + +#include <endian.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/syscall.h> +#include <sys/types.h> +#include <unistd.h> + +#ifndef __NR_io_uring_register +#define __NR_io_uring_register 427 +#endif +#ifndef __NR_io_uring_setup +#define __NR_io_uring_setup 425 +#endif + +uint64_t r[1] = {0xffffffffffffffff}; + +int main(void) +{ + syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); + intptr_t res = 0; + *(uint32_t*)0x20000080 = 0; + *(uint32_t*)0x20000084 = 0; + *(uint32_t*)0x20000088 = 0; + *(uint32_t*)0x2000008c = 0; + *(uint32_t*)0x20000090 = 0; + *(uint32_t*)0x20000094 = 0; + *(uint32_t*)0x20000098 = 0; + *(uint32_t*)0x2000009c = 0; + *(uint32_t*)0x200000a0 = 0; + *(uint32_t*)0x200000a4 = 0; + *(uint32_t*)0x200000a8 = 0; + *(uint32_t*)0x200000ac = 0; + *(uint32_t*)0x200000b0 = 0; + *(uint32_t*)0x200000b4 = 0; + *(uint32_t*)0x200000b8 = 0; + *(uint32_t*)0x200000bc = 0; + *(uint32_t*)0x200000c0 = 0; + *(uint32_t*)0x200000c4 = 0; + *(uint64_t*)0x200000c8 = 0; + *(uint32_t*)0x200000d0 = 0; + *(uint32_t*)0x200000d4 = 0; + *(uint32_t*)0x200000d8 = 0; + *(uint32_t*)0x200000dc = 0; + *(uint32_t*)0x200000e0 = 0; + *(uint32_t*)0x200000e4 = 0; + *(uint32_t*)0x200000e8 = 0; + *(uint32_t*)0x200000ec = 0; + *(uint64_t*)0x200000f0 = 0; + res = syscall(__NR_io_uring_setup, 0xa4, 0x20000080); + if (res != -1) + r[0] = res; + *(uint32_t*)0x20000280 = -1; + syscall(__NR_io_uring_register, r[0], 2, 0x20000280, 1); + return 0; +} |