kasan_unpoison_shadow

Name:kasan_unpoison_shadow

Proto:void kasan_unpoison_shadow(const void *address, size_t size)

Type:void

Parameter:

Type	Parameter	Name
const void *	address
size_t	size

154

tag = get_tag(address)

161

address = reset_tag(address)

163

Poisons the shadow memory for 'size' bytes starting from 'addr'.* Memory addresses should be aligned to KASAN_SHADOW_SCALE_SIZE.

165

If size & KASAN_SHADOW_MASK Then

166

shadow = kasan_mem_to_shadow(address + size)

168

If IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',* 0 otherwise.(CONFIG_KASAN_SW_TAGS) Then shadow = tag

170

Else shadow = size & KASAN_SHADOW_MASK

**Caller**
Name	Describe
__kasan_unpoison_stack
kasan_unpoison_task_stack_below	Unpoison the stack for the current task beyond a watermark sp value.
kasan_unpoison_stack_above_sp_to	Clear all poison for the region between the current SP and a provided* watermark value, as is sometimes required prior to hand-crafted asm function* returns in the middle of functions.
kasan_alloc_pages
kasan_unpoison_object_data
__kasan_kmalloc
kasan_kmalloc_large
register_global
__asan_alloca_poison	Emitted by compiler to poison alloca()ed objects.
__asan_allocas_unpoison	Emitted by compiler to unpoison alloca()ed areas when the stack unwinds.
kasan_unpoison_slab

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