Release 4.12 include/linux/kasan.h
#ifndef _LINUX_KASAN_H
#define _LINUX_KASAN_H
#include <linux/types.h>
struct kmem_cache;
struct page;
struct vm_struct;
struct task_struct;
#ifdef CONFIG_KASAN
#define KASAN_SHADOW_SCALE_SHIFT 3
#include <asm/kasan.h>
#include <asm/pgtable.h>
extern unsigned char kasan_zero_page[PAGE_SIZE];
extern pte_t kasan_zero_pte[PTRS_PER_PTE];
extern pmd_t kasan_zero_pmd[PTRS_PER_PMD];
extern pud_t kasan_zero_pud[PTRS_PER_PUD];
extern p4d_t kasan_zero_p4d[PTRS_PER_P4D];
void kasan_populate_zero_shadow(const void *shadow_start,
const void *shadow_end);
static inline void *kasan_mem_to_shadow(const void *addr)
{
return (void *)((unsigned long)addr >> KASAN_SHADOW_SCALE_SHIFT)
+ KASAN_SHADOW_OFFSET;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 30 | 100.00% | 1 | 100.00% |
| Total | 30 | 100.00% | 1 | 100.00% |
/* Enable reporting bugs after kasan_disable_current() */
extern void kasan_enable_current(void);
/* Disable reporting bugs for current task */
extern void kasan_disable_current(void);
void kasan_unpoison_shadow(const void *address, size_t size);
void kasan_unpoison_task_stack(struct task_struct *task);
void kasan_unpoison_stack_above_sp_to(const void *watermark);
void kasan_alloc_pages(struct page *page, unsigned int order);
void kasan_free_pages(struct page *page, unsigned int order);
void kasan_cache_create(struct kmem_cache *cache, size_t *size,
unsigned long *flags);
void kasan_cache_shrink(struct kmem_cache *cache);
void kasan_cache_shutdown(struct kmem_cache *cache);
void kasan_poison_slab(struct page *page);
void kasan_unpoison_object_data(struct kmem_cache *cache, void *object);
void kasan_poison_object_data(struct kmem_cache *cache, void *object);
void kasan_init_slab_obj(struct kmem_cache *cache, const void *object);
void kasan_kmalloc_large(const void *ptr, size_t size, gfp_t flags);
void kasan_kfree_large(const void *ptr);
void kasan_poison_kfree(void *ptr);
void kasan_kmalloc(struct kmem_cache *s, const void *object, size_t size,
gfp_t flags);
void kasan_krealloc(const void *object, size_t new_size, gfp_t flags);
void kasan_slab_alloc(struct kmem_cache *s, void *object, gfp_t flags);
bool kasan_slab_free(struct kmem_cache *s, void *object);
struct kasan_cache {
int alloc_meta_offset;
int free_meta_offset;
};
int kasan_module_alloc(void *addr, size_t size);
void kasan_free_shadow(const struct vm_struct *vm);
size_t ksize(const void *);
static inline void kasan_unpoison_slab(const void *ptr) { ksize(ptr); }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 17 | 100.00% | 1 | 100.00% |
| Total | 17 | 100.00% | 1 | 100.00% |
size_t kasan_metadata_size(struct kmem_cache *cache);
bool kasan_save_enable_multi_shot(void);
void kasan_restore_multi_shot(bool enabled);
#else /* CONFIG_KASAN */
static inline void kasan_unpoison_shadow(const void *address, size_t size) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 14 | 100.00% | 1 | 100.00% |
| Total | 14 | 100.00% | 1 | 100.00% |
static inline void kasan_unpoison_task_stack(struct task_struct *task) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mark Rutland | 11 | 100.00% | 1 | 100.00% |
| Total | 11 | 100.00% | 1 | 100.00% |
static inline void kasan_unpoison_stack_above_sp_to(const void *watermark) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Dmitriy Vyukov | 11 | 100.00% | 1 | 100.00% |
| Total | 11 | 100.00% | 1 | 100.00% |
static inline void kasan_enable_current(void) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 8 | 100.00% | 1 | 100.00% |
| Total | 8 | 100.00% | 1 | 100.00% |
static inline void kasan_disable_current(void) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 8 | 100.00% | 1 | 100.00% |
| Total | 8 | 100.00% | 1 | 100.00% |
static inline void kasan_alloc_pages(struct page *page, unsigned int order) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 15 | 100.00% | 1 | 100.00% |
| Total | 15 | 100.00% | 1 | 100.00% |
static inline void kasan_free_pages(struct page *page, unsigned int order) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 15 | 100.00% | 1 | 100.00% |
| Total | 15 | 100.00% | 1 | 100.00% |
static inline void kasan_cache_create(struct kmem_cache *cache,
size_t *size,
unsigned long *flags) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alexander Potapenko | 20 | 100.00% | 1 | 100.00% |
| Total | 20 | 100.00% | 1 | 100.00% |
static inline void kasan_cache_shrink(struct kmem_cache *cache) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alexander Potapenko | 11 | 100.00% | 1 | 100.00% |
| Total | 11 | 100.00% | 1 | 100.00% |
static inline void kasan_cache_shutdown(struct kmem_cache *cache) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alexander Potapenko | 10 | 90.91% | 1 | 50.00% |
| Greg Thelen | 1 | 9.09% | 1 | 50.00% |
| Total | 11 | 100.00% | 2 | 100.00% |
static inline void kasan_poison_slab(struct page *page) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 11 | 100.00% | 1 | 100.00% |
| Total | 11 | 100.00% | 1 | 100.00% |
static inline void kasan_unpoison_object_data(struct kmem_cache *cache,
void *object) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 15 | 100.00% | 1 | 100.00% |
| Total | 15 | 100.00% | 1 | 100.00% |
static inline void kasan_poison_object_data(struct kmem_cache *cache,
void *object) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 15 | 100.00% | 1 | 100.00% |
| Total | 15 | 100.00% | 1 | 100.00% |
static inline void kasan_init_slab_obj(struct kmem_cache *cache,
const void *object) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 16 | 100.00% | 1 | 100.00% |
| Total | 16 | 100.00% | 1 | 100.00% |
static inline void kasan_kmalloc_large(void *ptr, size_t size, gfp_t flags) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 13 | 81.25% | 1 | 50.00% |
| Alexander Potapenko | 3 | 18.75% | 1 | 50.00% |
| Total | 16 | 100.00% | 2 | 100.00% |
static inline void kasan_kfree_large(const void *ptr) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 11 | 100.00% | 1 | 100.00% |
| Total | 11 | 100.00% | 1 | 100.00% |
static inline void kasan_poison_kfree(void *ptr) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 10 | 100.00% | 2 | 100.00% |
| Total | 10 | 100.00% | 2 | 100.00% |
static inline void kasan_kmalloc(struct kmem_cache *s, const void *object,
size_t size, gfp_t flags) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 19 | 86.36% | 1 | 50.00% |
| Alexander Potapenko | 3 | 13.64% | 1 | 50.00% |
| Total | 22 | 100.00% | 2 | 100.00% |
static inline void kasan_krealloc(const void *object, size_t new_size,
gfp_t flags) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 14 | 82.35% | 1 | 50.00% |
| Alexander Potapenko | 3 | 17.65% | 1 | 50.00% |
| Total | 17 | 100.00% | 2 | 100.00% |
static inline void kasan_slab_alloc(struct kmem_cache *s, void *object,
gfp_t flags) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 15 | 83.33% | 1 | 50.00% |
| Alexander Potapenko | 3 | 16.67% | 1 | 50.00% |
| Total | 18 | 100.00% | 2 | 100.00% |
static inline bool kasan_slab_free(struct kmem_cache *s, void *object)
{
return false;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 13 | 68.42% | 1 | 50.00% |
| Alexander Potapenko | 6 | 31.58% | 1 | 50.00% |
| Total | 19 | 100.00% | 2 | 100.00% |
static inline int kasan_module_alloc(void *addr, size_t size) { return 0; }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 17 | 100.00% | 1 | 100.00% |
| Total | 17 | 100.00% | 1 | 100.00% |
static inline void kasan_free_shadow(const struct vm_struct *vm) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 12 | 100.00% | 2 | 100.00% |
| Total | 12 | 100.00% | 2 | 100.00% |
static inline void kasan_unpoison_slab(const void *ptr) { }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 11 | 100.00% | 1 | 100.00% |
| Total | 11 | 100.00% | 1 | 100.00% |
static inline size_t kasan_metadata_size(struct kmem_cache *cache) { return 0; }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alexander Potapenko | 15 | 100.00% | 1 | 100.00% |
| Total | 15 | 100.00% | 1 | 100.00% |
#endif /* CONFIG_KASAN */
#endif /* LINUX_KASAN_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrey Ryabinin | 593 | 73.76% | 9 | 45.00% |
| Alexander Potapenko | 142 | 17.66% | 4 | 20.00% |
| Mark Rutland | 33 | 4.10% | 2 | 10.00% |
| Dmitriy Vyukov | 20 | 2.49% | 1 | 5.00% |
| Kirill A. Shutemov | 7 | 0.87% | 1 | 5.00% |
| Ingo Molnar | 4 | 0.50% | 1 | 5.00% |
| Masami Hiramatsu | 3 | 0.37% | 1 | 5.00% |
| Greg Thelen | 2 | 0.25% | 1 | 5.00% |
| Total | 804 | 100.00% | 20 | 100.00% |
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