From ffcc2f4a9e85cb41894889bddda6c553b75a37f2 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Wed, 30 Jun 2010 10:13:51 +0000
Subject: [PATCH] test binary geo range base size

---
 src/http/modules/ngx_http_geo_module.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/http/modules/ngx_http_geo_module.c b/src/http/modules/ngx_http_geo_module.c
index 0b511359c..1f3f75561 100644
--- a/src/http/modules/ngx_http_geo_module.c
+++ b/src/http/modules/ngx_http_geo_module.c
@@ -1232,7 +1232,7 @@ ngx_http_geo_include_binary_base(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx,
 
     header = (ngx_http_geo_header_t *) base;
 
-    if (ngx_memcmp(&ngx_http_geo_header, header, 12) != 0) {
+    if (size < 16 || ngx_memcmp(&ngx_http_geo_header, header, 12) != 0) {
         ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
              "incompatible binary geo range base \"%s\"", name->data);
         goto failed;