diff options
Diffstat (limited to 'mm/kasan')
| -rw-r--r-- | mm/kasan/common.c | 7 | ||||
| -rw-r--r-- | mm/kasan/report.c | 11 |
2 files changed, 9 insertions, 9 deletions
diff --git a/mm/kasan/common.c b/mm/kasan/common.c index f8e16a242197..50f4338b477f 100644 --- a/mm/kasan/common.c +++ b/mm/kasan/common.c @@ -30,6 +30,13 @@ #include "kasan.h" #include "../slab.h" +struct slab *kasan_addr_to_slab(const void *addr) +{ + if (virt_addr_valid(addr)) + return virt_to_slab(addr); + return NULL; +} + depot_stack_handle_t kasan_save_stack(gfp_t flags, bool can_alloc) { unsigned long entries[KASAN_STACK_DEPTH]; diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 570f9419b90c..cd31b3b89ca1 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -213,13 +213,6 @@ struct page *kasan_addr_to_page(const void *addr) return NULL; } -struct slab *kasan_addr_to_slab(const void *addr) -{ - if (virt_addr_valid(addr)) - return virt_to_slab(addr); - return NULL; -} - static void describe_object_addr(struct kmem_cache *cache, void *object, const void *addr) { @@ -297,12 +290,12 @@ static inline bool init_task_stack_addr(const void *addr) static void print_address_description(void *addr, u8 tag) { struct page *page = kasan_addr_to_page(addr); + struct slab *slab = kasan_addr_to_slab(addr); dump_stack_lvl(KERN_ERR); pr_err("\n"); - if (page && PageSlab(page)) { - struct slab *slab = page_slab(page); + if (slab) { struct kmem_cache *cache = slab->slab_cache; void *object = nearest_obj(cache, slab, addr); |