35 extern void *__underlying_memchr(const void *p, int c, __kernel_size_t size) __RENAME(memchr);
36 extern int __underlying_memcmp(const void *p, const void *q, __kernel_size_t size) __RENAME(memcmp);
37 extern void *__underlying_memcpy(void *p, const void *q, __kernel_size_t size) __RENAME(memcpy);
38 extern void *__underlying_memmove(void *p, const void *q, __kernel_size_t size) __RENAME(memmove);
39 extern void *__underlying_memset(void *p, int c, __kernel_size_t size) __RENAME(memset);
44 extern char *__underlying_strncpy(char *p, const char *q, __kernel_size_t size) __RENAME(strncpy);
136 char *strncpy(char * const POS p, const char *q, __kernel_size_t size)  in strncpy()  argument
140 	if (__compiletime_lessthan(p_size, size))  in strncpy()
142 	if (p_size < size)  in strncpy()
144 	return __underlying_strncpy(p, q, size);  in strncpy()
205 __FORTIFY_INLINE size_t strlcpy(char * const POS p, const char * const POS q, size_t size)  in strlcpy()  argument
213 		return __real_strlcpy(p, q, size);  in strlcpy()
215 	len = (q_len >= size) ? size - 1 : q_len;  in strlcpy()
216 	if (__builtin_constant_p(size) && __builtin_constant_p(q_len) && size) {  in strlcpy()
221 	if (size) {  in strlcpy()
232 __FORTIFY_INLINE ssize_t strscpy(char * const POS p, const char * const POS q, size_t size)  in strscpy()  argument
241 		return __real_strscpy(p, q, size);  in strscpy()
247 	if (__compiletime_lessthan(p_size, size))  in strscpy()
254 	len = strnlen(q, size);  in strscpy()
260 	len = len == size ? size : len + 1;  in strscpy()
296 __FORTIFY_INLINE void fortify_memset_chk(__kernel_size_t size,  in fortify_memset_chk()  argument
300 	if (__builtin_constant_p(size)) {  in fortify_memset_chk()
309 		    __compiletime_lessthan(p_size, size))  in fortify_memset_chk()
313 		if (__compiletime_lessthan(p_size_field, size))  in fortify_memset_chk()
314 			__write_overflow_field(p_size_field, size);  in fortify_memset_chk()
330 	if (p_size != SIZE_MAX && p_size < size)  in fortify_memset_chk()
334 #define __fortify_memset_chk(p, c, size, p_size, p_size_field) ({	\  argument
335 	size_t __fortify_size = (size_t)(size);				\
380 __FORTIFY_INLINE bool fortify_memcpy_chk(__kernel_size_t size,  in fortify_memcpy_chk()  argument
387 	if (__builtin_constant_p(size)) {  in fortify_memcpy_chk()
396 		    __compiletime_lessthan(p_size, size))  in fortify_memcpy_chk()
399 		    __compiletime_lessthan(q_size, size))  in fortify_memcpy_chk()
403 		if (__compiletime_lessthan(p_size_field, size))  in fortify_memcpy_chk()
404 			__write_overflow_field(p_size_field, size);  in fortify_memcpy_chk()
411 		     __compiletime_lessthan(p_size_field, size)) &&  in fortify_memcpy_chk()
412 		    __compiletime_lessthan(q_size_field, size))  in fortify_memcpy_chk()
413 			__read_overflow2_field(q_size_field, size);  in fortify_memcpy_chk()
429 	if ((p_size != SIZE_MAX && p_size < size) ||  in fortify_memcpy_chk()
430 	    (q_size != SIZE_MAX && q_size < size))  in fortify_memcpy_chk()
449 	    p_size != p_size_field && p_size_field < size)  in fortify_memcpy_chk()
455 #define __fortify_memcpy_chk(p, q, size, p_size, q_size,		\  argument
457 	const size_t __fortify_size = (size_t)(size);			\
524 __FORTIFY_INLINE void *memscan(void * const POS0 p, int c, __kernel_size_t size)  in memscan()  argument
528 	if (__compiletime_lessthan(p_size, size))  in memscan()
530 	if (p_size < size)  in memscan()
532 	return __real_memscan(p, c, size);  in memscan()
536 int memcmp(const void * const POS0 p, const void * const POS0 q, __kernel_size_t size)  in memcmp()  argument
541 	if (__builtin_constant_p(size)) {  in memcmp()
542 		if (__compiletime_lessthan(p_size, size))  in memcmp()
544 		if (__compiletime_lessthan(q_size, size))  in memcmp()
547 	if (p_size < size || q_size < size)  in memcmp()
549 	return __underlying_memcmp(p, q, size);  in memcmp()
553 void *memchr(const void * const POS0 p, int c, __kernel_size_t size)  in memchr()  argument
557 	if (__compiletime_lessthan(p_size, size))  in memchr()
559 	if (p_size < size)  in memchr()
561 	return __underlying_memchr(p, c, size);  in memchr()
565 __FORTIFY_INLINE void *memchr_inv(const void * const POS0 p, int c, size_t size)  in memchr_inv()  argument
569 	if (__compiletime_lessthan(p_size, size))  in memchr_inv()
571 	if (p_size < size)  in memchr_inv()
573 	return __real_memchr_inv(p, c, size);  in memchr_inv()
577 __FORTIFY_INLINE void *kmemdup(const void * const POS0 p, size_t size, gfp_t gfp)  in kmemdup()  argument
581 	if (__compiletime_lessthan(p_size, size))  in kmemdup()
583 	if (p_size < size)  in kmemdup()
585 	return __real_kmemdup(p, size, gfp);  in kmemdup()
594 	size_t size;  in strcpy()  local
601 	size = strlen(q) + 1;  in strcpy()
603 	if (__compiletime_lessthan(p_size, size))  in strcpy()
606 	if (p_size < size)  in strcpy()
608 	__underlying_memcpy(p, q, size);  in strcpy()