diff options
Diffstat (limited to 'mm/kasan/kasan.h')
| -rw-r--r-- | mm/kasan/kasan.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 7df107dc400a..cfff81139d67 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -2,6 +2,7 @@ #ifndef __MM_KASAN_KASAN_H #define __MM_KASAN_KASAN_H +#include <linux/atomic.h> #include <linux/kasan.h> #include <linux/kasan-tags.h> #include <linux/kfence.h> @@ -233,6 +234,26 @@ struct kasan_free_meta { #endif /* CONFIG_KASAN_GENERIC */ +#if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS) + +struct kasan_stack_ring_entry { + void *ptr; + size_t size; + u32 pid; + depot_stack_handle_t stack; + bool is_free; +}; + +#define KASAN_STACK_RING_SIZE (32 << 10) + +struct kasan_stack_ring { + rwlock_t lock; + atomic64_t pos; + struct kasan_stack_ring_entry entries[KASAN_STACK_RING_SIZE]; +}; + +#endif /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS */ + #if IS_ENABLED(CONFIG_KASAN_KUNIT_TEST) /* Used in KUnit-compatible KASAN tests. */ struct kunit_kasan_status { |