diff options
Diffstat (limited to 'mm/kasan/report_tags.c')
| -rw-r--r-- | mm/kasan/report_tags.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/mm/kasan/report_tags.c b/mm/kasan/report_tags.c index e25d2166e813..35cf3cae4aa4 100644 --- a/mm/kasan/report_tags.c +++ b/mm/kasan/report_tags.c @@ -5,37 +5,9 @@ */ #include "kasan.h" -#include "../slab.h" const char *kasan_get_bug_type(struct kasan_report_info *info) { -#ifdef CONFIG_KASAN_TAGS_IDENTIFY - struct kasan_alloc_meta *alloc_meta; - struct kmem_cache *cache; - struct slab *slab; - const void *addr; - void *object; - u8 tag; - int i; - - tag = get_tag(info->access_addr); - addr = kasan_reset_tag(info->access_addr); - slab = kasan_addr_to_slab(addr); - if (slab) { - cache = slab->slab_cache; - object = nearest_obj(cache, slab, (void *)addr); - alloc_meta = kasan_get_alloc_meta(cache, object); - - if (alloc_meta) { - for (i = 0; i < KASAN_NR_FREE_STACKS; i++) { - if (alloc_meta->free_pointer_tag[i] == tag) - return "use-after-free"; - } - } - return "out-of-bounds"; - } -#endif - /* * If access_size is a negative number, then it has reason to be * defined as out-of-bounds bug type. |