From 9813a1999c0297210785c064ea2a02a064d58900 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Fri, 15 Apr 2011 13:50:27 +0000
Subject: fix segfault in IPv6 parsing while processing invalid IPv4 address
 X.YYYY.Z patch by Maxim Dounin

---
 src/core/ngx_inet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/core/ngx_inet.c')

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;
             }
 
-- 
cgit