From: Igor Sysoev <igor@sysoev.ru>
Date: Fri, 15 Apr 2011 13:50:27 +0000 (+0000)
Subject: fix segfault in IPv6 parsing while processing invalid IPv4 address X.YYYY.Z
X-Git-Tag: release-1.0.1~11
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=9813a1999c0297210785c064ea2a02a064d58900;p=nginx.git

fix segfault in IPv6 parsing while processing invalid IPv4 address X.YYYY.Z
patch by Maxim Dounin
---

diff --git a/src/core/ngx_inet.c b/src/core/ngx_inet.c
index 7440c280e..ac1ca8bf2 100644
--- a/src/core/ngx_inet.c
+++ b/src/core/ngx_inet.c
@@ -110,7 +110,7 @@ ngx_inet6_addr(u_char *p, size_t len, u_char *addr)
         }
 
         if (c == '.' && nibbles) {
-            if (n < 2) {
+            if (n < 2 || digit == NULL) {
                 return NGX_ERROR;
             }