From 85e8d8e20074877abfba763aceb0d763042a90be Mon Sep 17 00:00:00 2001
From: Eric Leblond <eric@regit.org>
Date: Mon, 15 Aug 2011 22:33:25 +0200
Subject: [PATCH] Add sanity check to DetectAdressParse.

The function is only used at parsing time, this is not costly to add
a simple sanity check.
---
 src/detect-engine-address.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/detect-engine-address.c b/src/detect-engine-address.c
index e6711e84a3..e76b32c96d 100644
--- a/src/detect-engine-address.c
+++ b/src/detect-engine-address.c
@@ -1223,6 +1223,11 @@ int DetectAddressParse(DetectAddressHead *gh, char *str)
 
     SCLogDebug("gh %p, str %s", gh, str);
 
+    if (str == NULL) {
+        SCLogDebug("DetectAddressParse can not be run with NULL address");
+        goto error;
+    }
+
     DetectAddressHead *ghn = DetectAddressHeadInit();
     if (ghn == NULL) {
         SCLogDebug("DetectAddressHeadInit for ghn failed");