diff options
Diffstat (limited to 'mm/kasan/kasan.h')
| -rw-r--r-- | mm/kasan/kasan.h | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 1c34511090d7..5fbcc1b805bc 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -466,35 +466,23 @@ static inline u8 kasan_random_tag(void) { return 0; } static inline void kasan_poison(const void *addr, size_t size, u8 value, bool init) { - addr = kasan_reset_tag(addr); - - /* Skip KFENCE memory if called explicitly outside of sl*b. */ - if (is_kfence_address(addr)) - return; - if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK)) return; if (WARN_ON(size & KASAN_GRANULE_MASK)) return; - hw_set_mem_tag_range((void *)addr, size, value, init); + hw_set_mem_tag_range(kasan_reset_tag(addr), size, value, init); } static inline void kasan_unpoison(const void *addr, size_t size, bool init) { u8 tag = get_tag(addr); - addr = kasan_reset_tag(addr); - - /* Skip KFENCE memory if called explicitly outside of sl*b. */ - if (is_kfence_address(addr)) - return; - if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK)) return; size = round_up(size, KASAN_GRANULE_SIZE); - hw_set_mem_tag_range((void *)addr, size, tag, init); + hw_set_mem_tag_range(kasan_reset_tag(addr), size, tag, init); } static inline bool kasan_byte_accessible(const void *addr) |