diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/kasan/kasan.h | 9 | ||||
| -rw-r--r-- | mm/kasan/report.c | 6 |
2 files changed, 15 insertions, 0 deletions
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 5b052ab40cf9..1fcc1d81a9cf 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -12,6 +12,15 @@ #define KASAN_KMALLOC_REDZONE 0xFC /* redzone inside slub object */ #define KASAN_KMALLOC_FREE 0xFB /* object was freed (kmem_cache_free/kfree) */ +/* + * Stack redzone shadow values + * (Those are compiler's ABI, don't change them) + */ +#define KASAN_STACK_LEFT 0xF1 +#define KASAN_STACK_MID 0xF2 +#define KASAN_STACK_RIGHT 0xF3 +#define KASAN_STACK_PARTIAL 0xF4 + struct kasan_access_info { const void *access_addr; diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 2760edb4d0a8..866732ef3db3 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -64,6 +64,12 @@ static void print_error_description(struct kasan_access_info *info) case 0 ... KASAN_SHADOW_SCALE_SIZE - 1: bug_type = "out of bounds access"; break; + case KASAN_STACK_LEFT: + case KASAN_STACK_MID: + case KASAN_STACK_RIGHT: + case KASAN_STACK_PARTIAL: + bug_type = "out of bounds on stack"; + break; } pr_err("BUG: KASan: %s in %pS at addr %p\n", |