# HG changeset patch
# User Igor Sysoev <igor@sysoev.ru>
# Date 1302875427 0
# Node ID 4d4b5770616fd1ae04f96eeefcdb82031e947ec5
# Parent  5581586480e92b6842281c9659f3de76293d2352
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
--- 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_
         }
 
         if (c == '.' && nibbles) {
-            if (n < 2) {
+            if (n < 2 || digit == NULL) {
                 return NGX_ERROR;
             }