https://github.com/torvalds/linux
- HEAD
- refs/heads/arm64-uaccess
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/certifi-2024.7.4
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/idna-3.7
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/requests-2.32.2
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/setuptools-70.0.0
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/urllib3-2.2.2
- refs/heads/master
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Tip revision: 1ec218373b8ebda821aec00bb156a9c94fad9cd4 authored by Linus Torvalds on 23 November 2015, 00:45:59 UTC
Linux 4.4-rc2
Linux 4.4-rc2
Tip revision: 1ec2183
kasan.h
#ifndef __MM_KASAN_KASAN_H
#define __MM_KASAN_KASAN_H
#include <linux/kasan.h>
#define KASAN_SHADOW_SCALE_SIZE (1UL << KASAN_SHADOW_SCALE_SHIFT)
#define KASAN_SHADOW_MASK (KASAN_SHADOW_SCALE_SIZE - 1)
#define KASAN_FREE_PAGE 0xFF /* page was freed */
#define KASAN_PAGE_REDZONE 0xFE /* redzone for kmalloc_large allocations */
#define KASAN_KMALLOC_REDZONE 0xFC /* redzone inside slub object */
#define KASAN_KMALLOC_FREE 0xFB /* object was freed (kmem_cache_free/kfree) */
#define KASAN_GLOBAL_REDZONE 0xFA /* redzone for global variable */
/*
* Stack redzone shadow values
* (Those are compiler's ABI, don't change them)
*/
#define KASAN_STACK_LEFT 0xF1
#define KASAN_STACK_MID 0xF2
#define KASAN_STACK_RIGHT 0xF3
#define KASAN_STACK_PARTIAL 0xF4
/* Don't break randconfig/all*config builds */
#ifndef KASAN_ABI_VERSION
#define KASAN_ABI_VERSION 1
#endif
struct kasan_access_info {
const void *access_addr;
const void *first_bad_addr;
size_t access_size;
bool is_write;
unsigned long ip;
};
/* The layout of struct dictated by compiler */
struct kasan_source_location {
const char *filename;
int line_no;
int column_no;
};
/* The layout of struct dictated by compiler */
struct kasan_global {
const void *beg; /* Address of the beginning of the global variable. */
size_t size; /* Size of the global variable. */
size_t size_with_redzone; /* Size of the variable + size of the red zone. 32 bytes aligned */
const void *name;
const void *module_name; /* Name of the module where the global variable is declared. */
unsigned long has_dynamic_init; /* This needed for C++ */
#if KASAN_ABI_VERSION >= 4
struct kasan_source_location *location;
#endif
};
static inline const void *kasan_shadow_to_mem(const void *shadow_addr)
{
return (void *)(((unsigned long)shadow_addr - KASAN_SHADOW_OFFSET)
<< KASAN_SHADOW_SCALE_SHIFT);
}
static inline bool kasan_report_enabled(void)
{
return !current->kasan_depth;
}
void kasan_report(unsigned long addr, size_t size,
bool is_write, unsigned long ip);
#endif