diff options
| author | Dmitry Vyukov <dvyukov@google.com> | 2017-12-15 00:33:02 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-12-15 01:00:48 +0100 |
| commit | 689d77f001cd22da31cc943170e1f6f2e8197035 (patch) | |
| tree | 2d6f966b93164451f024e57ede1f5a17700f3cc3 /kernel/kcov.c | |
| parent | mm/slab.c: do not hash pointers when debugging slab (diff) | |
| download | linux-689d77f001cd22da31cc943170e1f6f2e8197035.tar.xz linux-689d77f001cd22da31cc943170e1f6f2e8197035.zip | |
kcov: fix comparison callback signature
Fix a silly copy-paste bug. We truncated u32 args to u16.
Link: http://lkml.kernel.org/r/20171207101134.107168-1-dvyukov@google.com
Fixes: ded97d2c2b2c ("kcov: support comparison operands collection")
Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
Cc: syzkaller@googlegroups.com
Cc: Alexander Potapenko <glider@google.com>
Cc: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/kcov.c')
| -rw-r--r-- | kernel/kcov.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/kcov.c b/kernel/kcov.c index 15f33faf4013..7594c033d98a 100644 --- a/kernel/kcov.c +++ b/kernel/kcov.c @@ -157,7 +157,7 @@ void notrace __sanitizer_cov_trace_cmp2(u16 arg1, u16 arg2) } EXPORT_SYMBOL(__sanitizer_cov_trace_cmp2); -void notrace __sanitizer_cov_trace_cmp4(u16 arg1, u16 arg2) +void notrace __sanitizer_cov_trace_cmp4(u32 arg1, u32 arg2) { write_comp_data(KCOV_CMP_SIZE(2), arg1, arg2, _RET_IP_); } @@ -183,7 +183,7 @@ void notrace __sanitizer_cov_trace_const_cmp2(u16 arg1, u16 arg2) } EXPORT_SYMBOL(__sanitizer_cov_trace_const_cmp2); -void notrace __sanitizer_cov_trace_const_cmp4(u16 arg1, u16 arg2) +void notrace __sanitizer_cov_trace_const_cmp4(u32 arg1, u32 arg2) { write_comp_data(KCOV_CMP_SIZE(2) | KCOV_CMP_CONST, arg1, arg2, _RET_IP_); |