diff options
author | Alexander Potapenko <glider@google.com> | 2022-10-24 23:21:44 +0200 |
---|---|---|
committer | Andrew Morton <akpm@linux-foundation.org> | 2022-10-28 13:37:23 -0700 |
commit | 78a498c3a227f2ac773a8234b2ce092a4403f2c3 (patch) | |
tree | d7efd152160584209dfcbde2aa4cfaa65f728425 /mm/kmsan | |
parent | 59c8a02e24894e75639bcecc3cb1e768a2792220 (diff) |
x86: fortify: kmsan: fix KMSAN fortify builds
Ensure that KMSAN builds replace memset/memcpy/memmove calls with the
respective __msan_XXX functions, and that none of the macros are redefined
twice. This should allow building kernel with both CONFIG_KMSAN and
CONFIG_FORTIFY_SOURCE.
Link: https://lkml.kernel.org/r/20221024212144.2852069-5-glider@google.com
Link: https://github.com/google/kmsan/issues/89
Signed-off-by: Alexander Potapenko <glider@google.com>
Reported-by: Tamas K Lengyel <tamas.lengyel@zentific.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/kmsan')
-rw-r--r-- | mm/kmsan/instrumentation.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/kmsan/instrumentation.c b/mm/kmsan/instrumentation.c index 280d15413268..271f135f97a1 100644 --- a/mm/kmsan/instrumentation.c +++ b/mm/kmsan/instrumentation.c @@ -14,6 +14,7 @@ #include "kmsan.h" #include <linux/gfp.h> +#include <linux/kmsan_string.h> #include <linux/mm.h> #include <linux/uaccess.h> |