56 						unsigned long size)  in memory_is_poisoned_2_4_8()  argument
64 	if (unlikely(((addr + size - 1) & KASAN_GRANULE_MASK) < size - 1))  in memory_is_poisoned_2_4_8()
65 		return *shadow_addr || memory_is_poisoned_1(addr + size - 1);  in memory_is_poisoned_2_4_8()
67 	return memory_is_poisoned_1(addr + size - 1);  in memory_is_poisoned_2_4_8()
82 					size_t size)  in bytes_is_nonzero()  argument
84 	while (size) {  in bytes_is_nonzero()
88 		size--;  in bytes_is_nonzero()
124 						size_t size)  in memory_is_poisoned_n()  argument
129 			kasan_mem_to_shadow((void *)addr + size - 1) + 1);  in memory_is_poisoned_n()
132 		unsigned long last_byte = addr + size - 1;  in memory_is_poisoned_n()
142 static __always_inline bool memory_is_poisoned(unsigned long addr, size_t size)  in memory_is_poisoned()  argument
144 	if (__builtin_constant_p(size)) {  in memory_is_poisoned()
145 		switch (size) {  in memory_is_poisoned()
151 			return memory_is_poisoned_2_4_8(addr, size);  in memory_is_poisoned()
159 	return memory_is_poisoned_n(addr, size);  in memory_is_poisoned()
163 						size_t size, bool write,  in check_region_inline()  argument
169 	if (unlikely(size == 0))  in check_region_inline()
172 	if (unlikely(addr + size < addr))  in check_region_inline()
173 		return !kasan_report(addr, size, write, ret_ip);  in check_region_inline()
177 		return !kasan_report(addr, size, write, ret_ip);  in check_region_inline()
180 	if (likely(!memory_is_poisoned(addr, size)))  in check_region_inline()
183 	return !kasan_report(addr, size, write, ret_ip);  in check_region_inline()
186 bool kasan_check_range(unsigned long addr, size_t size, bool write,  in kasan_check_range()  argument
189 	return check_region_inline(addr, size, write, ret_ip);  in kasan_check_range()
212 	size_t aligned_size = round_up(global->size, KASAN_GRANULE_SIZE);  in register_global()
214 	kasan_unpoison(global->beg, global->size, false);  in register_global()
221 void __asan_register_globals(struct kasan_global *globals, size_t size)  in __asan_register_globals()  argument
225 	for (i = 0; i < size; i++)  in __asan_register_globals()
230 void __asan_unregister_globals(struct kasan_global *globals, size_t size)  in __asan_unregister_globals()  argument
235 #define DEFINE_ASAN_LOAD_STORE(size)					\  argument
236 	void __asan_load##size(unsigned long addr)			\
238 		check_region_inline(addr, size, false, _RET_IP_);	\
240 	EXPORT_SYMBOL(__asan_load##size);				\
241 	__alias(__asan_load##size)					\
242 	void __asan_load##size##_noabort(unsigned long);		\
243 	EXPORT_SYMBOL(__asan_load##size##_noabort);			\
244 	void __asan_store##size(unsigned long addr)			\
246 		check_region_inline(addr, size, true, _RET_IP_);	\
248 	EXPORT_SYMBOL(__asan_store##size);				\
249 	__alias(__asan_store##size)					\
250 	void __asan_store##size##_noabort(unsigned long);		\
251 	EXPORT_SYMBOL(__asan_store##size##_noabort)
259 void __asan_loadN(unsigned long addr, size_t size)  in __asan_loadN()  argument
261 	kasan_check_range(addr, size, false, _RET_IP_);  in __asan_loadN()
269 void __asan_storeN(unsigned long addr, size_t size)  in __asan_storeN()  argument
271 	kasan_check_range(addr, size, true, _RET_IP_);  in __asan_storeN()
284 void __asan_alloca_poison(unsigned long addr, size_t size)  in __asan_alloca_poison()  argument
286 	size_t rounded_up_size = round_up(size, KASAN_GRANULE_SIZE);  in __asan_alloca_poison()
287 	size_t padding_size = round_up(size, KASAN_ALLOCA_REDZONE_SIZE) -  in __asan_alloca_poison()
289 	size_t rounded_down_size = round_down(size, KASAN_GRANULE_SIZE);  in __asan_alloca_poison()
298 			size - rounded_down_size, false);  in __asan_alloca_poison()
318 	void __asan_set_shadow_##byte(const void *addr, size_t size)	\
320 		__memset((void *)addr, 0x##byte, size);			\
355 void kasan_cache_create(struct kmem_cache *cache, unsigned int *size,  in kasan_cache_create()  argument
375 	ok_size = *size;  in kasan_cache_create()
378 	cache->kasan_info.alloc_meta_offset = *size;  in kasan_cache_create()
379 	*size += sizeof(struct kasan_alloc_meta);  in kasan_cache_create()
387 	if (*size > KMALLOC_MAX_SIZE) {  in kasan_cache_create()
389 		*size = ok_size;  in kasan_cache_create()
405 		ok_size = *size;  in kasan_cache_create()
407 		cache->kasan_info.free_meta_offset = *size;  in kasan_cache_create()
408 		*size += sizeof(struct kasan_free_meta);  in kasan_cache_create()
411 		if (*size > KMALLOC_MAX_SIZE) {  in kasan_cache_create()
413 			*size = ok_size;  in kasan_cache_create()
423 	if (*size < optimal_size)  in kasan_cache_create()
424 		*size = optimal_size;  in kasan_cache_create()