110 static size_t va_range_to_shadow_size(const void *begin, const void *end)  in va_range_to_shadow_size()  argument
112 	return ((vaddr_t)end - (vaddr_t)begin) / ASAN_BLOCK_SIZE;  in va_range_to_shadow_size()
115 static bool va_range_inside_shadow(const void *begin, const void *end)  in va_range_inside_shadow()  argument
118 	vaddr_t b = (vaddr_t)begin;  in va_range_inside_shadow()
135 static bool va_range_outside_shadow(const void *begin, const void *end)  in va_range_outside_shadow()  argument
138 	vaddr_t b = (vaddr_t)begin;  in va_range_outside_shadow()
165 void asan_add_shadowed(const void *begin, const void *end,  in asan_add_shadowed()  argument
170 		.lo = (vaddr_t)begin,  in asan_add_shadowed()
175 	assert(va_is_well_aligned(begin));  in asan_add_shadowed()
188 void asan_tag_no_access(const void *begin, const void *end)  in asan_tag_no_access()  argument
190 	assert(va_is_well_aligned(begin));  in asan_tag_no_access()
192 	assert(va_range_inside_shadow(begin, end));  in asan_tag_no_access()
194 	asan_memset_unchecked(va_to_shadow(begin), ASAN_DATA_RED_ZONE,  in asan_tag_no_access()
195 			      va_range_to_shadow_size(begin, end));  in asan_tag_no_access()
198 void asan_tag_access(const void *begin, const void *end)  in asan_tag_access()  argument
200 	if (!GET_ASAN_INFO()->regs_count || begin == end)  in asan_tag_access()
203 	assert(va_range_inside_shadow(begin, end));  in asan_tag_access()
204 	assert(va_is_well_aligned(begin));  in asan_tag_access()
206 	asan_memset_unchecked(va_to_shadow(begin), 0,  in asan_tag_access()
207 			      va_range_to_shadow_size(begin, end));  in asan_tag_access()
212 static bool mpool_exists_in_range(vaddr_t begin, vaddr_t end)  in mpool_exists_in_range()  argument
220 		    regs[i].hi <= end && regs[i].lo >= begin)  in mpool_exists_in_range()
227 void asan_tag_heap_free(const void *begin, const void *end)  in asan_tag_heap_free()  argument
232 	assert(va_range_inside_shadow(begin, end));  in asan_tag_heap_free()
233 	assert(va_is_well_aligned(begin));  in asan_tag_heap_free()
236 	asan_memset_unchecked(va_to_shadow(begin), ASAN_HEAP_RED_ZONE,  in asan_tag_heap_free()
237 			      va_range_to_shadow_size(begin, end));  in asan_tag_heap_free()
383 	void *begin = (void *)addr;  in check_access()  local
390 	if (va_range_outside_shadow(begin, end))  in check_access()
396 	if (!va_range_inside_shadow(begin, end))  in check_access()
504 		vaddr_t begin = globals[n].beg;  in __asan_register_globals()  local
505 		vaddr_t end = begin + globals[n].size;  in __asan_register_globals()
507 		vaddr_t end_rz = begin + globals[n].size_with_redzone;  in __asan_register_globals()
509 		if (!mpool_exists_in_range(begin, end))  in __asan_register_globals()
510 			asan_tag_access((void *)begin, (void *)end);  in __asan_register_globals()