1 #ifndef __MM_KASAN_KASAN_H
2 #define __MM_KASAN_KASAN_H
4 #include <linux/kasan.h>
6 #define KASAN_SHADOW_SCALE_SIZE (1UL << KASAN_SHADOW_SCALE_SHIFT)
7 #define KASAN_SHADOW_MASK (KASAN_SHADOW_SCALE_SIZE - 1)
9 struct kasan_access_info {
10 const void *access_addr;
11 const void *first_bad_addr;
17 void kasan_report_error(struct kasan_access_info *info);
18 void kasan_report_user_access(struct kasan_access_info *info);
20 static inline const void *kasan_shadow_to_mem(const void *shadow_addr)
22 return (void *)(((unsigned long)shadow_addr - KASAN_SHADOW_OFFSET)
23 << KASAN_SHADOW_SCALE_SHIFT);
26 static inline bool kasan_enabled(void)
28 return !current->kasan_depth;
31 void kasan_report(unsigned long addr, size_t size,
32 bool is_write, unsigned long ip);