diff options
Diffstat (limited to 'mm/kasan/sw_tags.c')
| -rw-r--r-- | mm/kasan/sw_tags.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/kasan/sw_tags.c b/mm/kasan/sw_tags.c index e17de2619bbf..5dcd830805b2 100644 --- a/mm/kasan/sw_tags.c +++ b/mm/kasan/sw_tags.c @@ -170,6 +170,8 @@ void kasan_set_free_info(struct kmem_cache *cache, u8 idx = 0; alloc_meta = kasan_get_alloc_meta(cache, object); + if (!alloc_meta) + return; #ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY idx = alloc_meta->free_track_idx; @@ -187,6 +189,8 @@ struct kasan_track *kasan_get_free_track(struct kmem_cache *cache, int i = 0; alloc_meta = kasan_get_alloc_meta(cache, object); + if (!alloc_meta) + return NULL; #ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY for (i = 0; i < KASAN_NR_FREE_STACKS; i++) { |