From: Dmitry Stogov <dmitry@zend.com>
Date: Tue, 19 Feb 2013 14:00:49 +0000 (+0400)
Subject: Avoid buffer overrun
X-Git-Tag: php-5.5.0beta1~42^2~55
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2d87dce1edb5cfd4699accf2e8e238c5a6ca074d;p=php

Avoid buffer overrun
---

diff --git a/zend_accelerator_blacklist.c b/zend_accelerator_blacklist.c
index 52f4216a64..804124bce0 100644
--- a/zend_accelerator_blacklist.c
+++ b/zend_accelerator_blacklist.c
@@ -183,9 +183,9 @@ void zend_accel_blacklist_load(zend_blacklist *blacklist, char *filename)
 	while (fgets(buf, MAXPATHLEN, fp)!=NULL) {
 		char *path_dup, *pbuf;
 		path_length = strlen(buf);
-		if (buf[path_length-1]=='\n') {
+		if (path_length > 0 && buf[path_length-1]=='\n') {
 			buf[--path_length] = 0;
-			if (buf[path_length-1]=='\r') {
+			if (path_length > 0 && buf[path_length-1]=='\r') {
 				buf[--path_length] = 0;
 			}
 		}