From: Antony Dovgal <tony2001@php.net>
Date: Fri, 18 May 2007 12:05:55 +0000 (+0000)
Subject: fix #41430 (Fatal error with negative values of maxlen parameter of file_get_contents())
X-Git-Tag: RELEASE_1_4~142
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=eb2240d4941ebe5948e5fd69c58c7c7a9a62d65d;p=php

fix #41430 (Fatal error with negative values of maxlen parameter of file_get_contents())
---

diff --git a/ext/standard/file.c b/ext/standard/file.c
index f567fa89c1..66bca30904 100644
--- a/ext/standard/file.c
+++ b/ext/standard/file.c
@@ -566,6 +566,11 @@ PHP_FUNCTION(file_get_contents)
 		RETURN_FALSE;
 	}
 
+	if (maxlen < 0) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length must be greater than or equal to zero");
+		RETURN_FALSE;
+	}
+
 	if (offset > 0 && php_stream_seek(stream, offset, SEEK_SET) < 0) {
 		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to seek to position %ld in the stream", offset);
 		php_stream_close(stream);