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author | Dmitry Vyukov <dvyukov@google.com> | 2016-11-30 15:54:13 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-11-30 16:32:52 -0800 |
commit | 045d599a286bc01daa3510d59272440a17b23c2e (patch) | |
tree | bf37eecc870d096102ba03c07c66f65076d7fbc9 | |
parent | f8ff04e2be0815b34d11a72d08473a383a3c9eb5 (diff) | |
download | op-kernel-dev-045d599a286bc01daa3510d59272440a17b23c2e.zip op-kernel-dev-045d599a286bc01daa3510d59272440a17b23c2e.tar.gz |
kasan: update kasan_global for gcc 7
kasan_global struct is part of compiler/runtime ABI. gcc revision
241983 has added a new field to kasan_global struct. Update kernel
definition of kasan_global struct to include the new field.
Without this patch KASAN is broken with gcc 7.
Link: http://lkml.kernel.org/r/1479219743-28682-1-git-send-email-dvyukov@google.com
Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: <stable@vger.kernel.org> [4.0+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r-- | include/linux/compiler-gcc.h | 4 | ||||
-rw-r--r-- | mm/kasan/kasan.h | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 432f5c9..928e5ca 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -263,7 +263,9 @@ #endif #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP && !__CHECKER__ */ -#if GCC_VERSION >= 50000 +#if GCC_VERSION >= 70000 +#define KASAN_ABI_VERSION 5 +#elif GCC_VERSION >= 50000 #define KASAN_ABI_VERSION 4 #elif GCC_VERSION >= 40902 #define KASAN_ABI_VERSION 3 diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index e5c2181..03f4545 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -53,6 +53,9 @@ struct kasan_global { #if KASAN_ABI_VERSION >= 4 struct kasan_source_location *location; #endif +#if KASAN_ABI_VERSION >= 5 + char *odr_indicator; +#endif }; /** |