include/linux/fortify-string.h

181 	const size_t p_size = __member_size(p);
183 	if (__compiletime_lessthan(p_size, size))
185 	if (p_size < size)
186 		fortify_panic(FORTIFY_FUNC_strncpy, FORTIFY_WRITE, p_size, size, p);
203 	const size_t p_size = __member_size(p);
210 		if (maxlen >= p_size)
215 	ret = __real_strnlen(p, maxlen < p_size ? maxlen : p_size);
216 	if (p_size <= ret && maxlen != ret)
217 		fortify_panic(FORTIFY_FUNC_strnlen, FORTIFY_READ, p_size, ret + 1, ret);
245 	const size_t p_size = __member_size(p);
249 	if (p_size == SIZE_MAX)
251 	ret = strnlen(p, p_size);
252 	if (p_size <= ret)
253 		fortify_panic(FORTIFY_FUNC_strlen, FORTIFY_READ, p_size, ret + 1, ret);
262 	const size_t p_size = __member_size(p);
267 	if (p_size == SIZE_MAX && q_size == SIZE_MAX)
272 	 * p_size, generate a compile time write overflow error.
274 	if (__compiletime_lessthan(p_size, size))
278 	if (__compiletime_lessthan(p_size, SIZE_MAX)) {
301 	 * p_size.
303 	if (p_size < len)
304 		fortify_panic(FORTIFY_FUNC_strscpy, FORTIFY_WRITE, p_size, len, -E2BIG);
343 	const size_t p_size = __member_size(p);
349 	if (p_size == SIZE_MAX && q_size == SIZE_MAX)
361 	if (p_size <= p_len)
362 		fortify_panic(FORTIFY_FUNC_strlcat, FORTIFY_READ, p_size, p_len + 1, wanted);
370 	if (p_size <= actual)
371 		fortify_panic(FORTIFY_FUNC_strlcat, FORTIFY_WRITE, p_size, actual + 1, wanted);
397 	const size_t p_size = __member_size(p);
398 	const size_t wanted = strlcat(p, q, p_size);
400 	if (p_size <= wanted)
401 		fortify_panic(FORTIFY_FUNC_strcat, FORTIFY_WRITE, p_size, wanted + 1, p);
428 	const size_t p_size = __member_size(p);
432 	if (p_size == SIZE_MAX && q_size == SIZE_MAX)
437 	if (p_size < total)
438 		fortify_panic(FORTIFY_FUNC_strncat, FORTIFY_WRITE, p_size, total, p);
445 					 const size_t p_size,
456 		if (__compiletime_lessthan(p_size_field, p_size) &&
457 		    __compiletime_lessthan(p_size, size))
478 	if (p_size != SIZE_MAX && p_size < size)
479 		fortify_panic(FORTIFY_FUNC_memset, FORTIFY_WRITE, p_size, size, true);
483 #define __fortify_memset_chk(p, c, size, p_size, p_size_field) ({	\
485 	fortify_memset_chk(__fortify_size, p_size, p_size_field),	\
530 					 const size_t p_size,
544 		if (__compiletime_lessthan(p_size_field, p_size) &&
545 		    __compiletime_lessthan(p_size, size))
578 	if (p_size != SIZE_MAX && p_size < size)
579 		fortify_panic(func, FORTIFY_WRITE, p_size, size, true);
581 		fortify_panic(func, FORTIFY_READ, p_size, size, true);
599 	    p_size != p_size_field && p_size_field < size)
605 #define __fortify_memcpy_chk(p, q, size, p_size, q_size,		\
608 	const size_t __p_size = (p_size);				\
676 	const size_t p_size = __struct_size(p);
678 	if (__compiletime_lessthan(p_size, size))
680 	if (p_size < size)
681 		fortify_panic(FORTIFY_FUNC_memscan, FORTIFY_READ, p_size, size, NULL);
688 	const size_t p_size = __struct_size(p);
692 		if (__compiletime_lessthan(p_size, size))
697 	if (p_size < size)
698 		fortify_panic(FORTIFY_FUNC_memcmp, FORTIFY_READ, p_size, size, INT_MIN);
707 	const size_t p_size = __struct_size(p);
709 	if (__compiletime_lessthan(p_size, size))
711 	if (p_size < size)
712 		fortify_panic(FORTIFY_FUNC_memchr, FORTIFY_READ, p_size, size, NULL);
719 	const size_t p_size = __struct_size(p);
721 	if (__compiletime_lessthan(p_size, size))
723 	if (p_size < size)
724 		fortify_panic(FORTIFY_FUNC_memchr_inv, FORTIFY_READ, p_size, size, NULL);
732 	const size_t p_size = __struct_size(p);
734 	if (__compiletime_lessthan(p_size, size))
736 	if (p_size < size)
737 		fortify_panic(FORTIFY_FUNC_kmemdup, FORTIFY_READ, p_size, size, NULL);
759 	const size_t p_size = __member_size(p);
764 	if (__builtin_constant_p(p_size) &&
766 	    p_size == SIZE_MAX && q_size == SIZE_MAX)
770 	if (__compiletime_lessthan(p_size, size))
773 	if (p_size < size)
774 		fortify_panic(FORTIFY_FUNC_strcpy, FORTIFY_WRITE, p_size, size, p);