blob: f00c15c412354e523a477b4e0e37bbf68eb5de8f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
#ifndef _LINUX_KASAN_H
#define _LINUX_KASAN_H
#include <linux/types.h>
struct kmem_cache;
struct page;
#ifdef CONFIG_KASAN
#define KASAN_SHADOW_SCALE_SHIFT 3
#define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, UL)
#include <asm/kasan.h>
#include <linux/sched.h>
static inline void *kasan_mem_to_shadow(const void *addr)
{
return (void *)((unsigned long)addr >> KASAN_SHADOW_SCALE_SHIFT)
+ KASAN_SHADOW_OFFSET;
}
/* Enable reporting bugs after kasan_disable_current() */
static inline void kasan_enable_current(void)
{
current->kasan_depth++;
}
/* Disable reporting bugs for current task */
static inline void kasan_disable_current(void)
{
current->kasan_depth--;
}
void kasan_unpoison_shadow(const void *address, size_t size);
void kasan_alloc_pages(struct page *page, unsigned int order);
void kasan_free_pages(struct page *page, unsigned int order);
#else /* CONFIG_KASAN */
static inline void kasan_unpoison_shadow(const void *address, size_t size) {}
static inline void kasan_enable_current(void) {}
static inline void kasan_disable_current(void) {}
static inline void kasan_alloc_pages(struct page *page, unsigned int order) {}
static inline void kasan_free_pages(struct page *page, unsigned int order) {}
#endif /* CONFIG_KASAN */
#endif /* LINUX_KASAN_H */
|
