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lkdtm: Fix CFI_BACKWARD on RISC-V
authorSami Tolvanen <samitolvanen@google.com>
Wed, 27 Sep 2023 22:48:04 +0000 (22:48 +0000)
committerPalmer Dabbelt <palmer@rivosinc.com>
Fri, 27 Oct 2023 21:43:10 +0000 (14:43 -0700)
commit245561ba6d5de42bf73d501f910b181bc7fa5601
treecdb1e0ca68e70b2ba8e0f0258adfdedf28733a9btree | snapshot
parentc40fef858d002fb027033c572ac8bdf8756a2c6bcommit | diff
lkdtm: Fix CFI_BACKWARD on RISC-V

On RISC-V, the return address is before the current frame pointer,
unlike on most other architectures. Use the correct offset on RISC-V
to fix the CFI_BACKWARD test.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Kees Cook <keescook@chromium.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20230927224757.1154247-14-samitolvanen@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
drivers/misc/lkdtm/cfi.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)