For now we can hard-code ASAN ABI level 5, since historical clang builds can't build the kernel anyway. We also need to emulate gcc's __SANITIZE_ADDRESS__ flag, or memset() calls won't be instrumented.
Signed-off-by: Greg Hackmann <ghackm...@google.com> --- include/linux/compiler-clang.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h index d614c5ea1b5e..8153f793b22a 100644 --- a/include/linux/compiler-clang.h +++ b/include/linux/compiler-clang.h @@ -23,3 +23,13 @@ */ #undef inline #define inline inline __attribute__((unused)) notrace + +/* all clang versions usable with the kernel support KASAN ABI version 5 + */ +#define KASAN_ABI_VERSION 5 + +/* emulate gcc's __SANITIZE_ADDRESS__ flag + */ +#if __has_feature(address_sanitizer) +#define __SANITIZE_ADDRESS__ +#endif -- 2.13.2.725.g09c95d1e9-goog
