From c718fd16a1ce0def93641fd3539357526a11fc16 Mon Sep 17 00:00:00 2001 From: Xinchen Hui Date: Mon, 13 Nov 2017 11:18:56 +0800 Subject: Avoid overflow --- ext/standard/file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'ext/standard/file.c') diff --git a/ext/standard/file.c b/ext/standard/file.c index da10f58b65..104b16235e 100644 --- a/ext/standard/file.c +++ b/ext/standard/file.c @@ -1772,7 +1772,7 @@ PHPAPI PHP_FUNCTION(fread) /* needed because recv/read/gzread doesnt put a null at the end*/ Z_STRVAL_P(return_value)[Z_STRLEN_P(return_value)] = 0; - if (len > Z_STRLEN_P(return_value) * 2) { + if (Z_STRLEN_P(return_value) < len / 2) { Z_STR_P(return_value) = zend_string_truncate(Z_STR_P(return_value), Z_STRLEN_P(return_value), 0); } } -- cgit v1.2.1