From 481e6bffbb7c3fd686464478b90a0373c807951c Mon Sep 17 00:00:00 2001
From: Matthias Andree <matthias.andree@gmx.de>
Date: Sun, 29 Jul 2007 09:36:23 +0000
Subject: Fix long-standing (since r2215/v4.6.8) crash on NULL pointer
 dereference when the local SMTP listener rejects a warning message of
 fetchmail's. Report and suggested fix by Earl Chew.

svn path=/branches/BRANCH_6-3/; revision=5119
---
 sink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'sink.c')

diff --git a/sink.c b/sink.c
index 9dd9ce70..47a40427 100644
--- a/sink.c
+++ b/sink.c
@@ -262,7 +262,7 @@ static int send_bouncemail(struct query *ctl, struct msgblk *msg,
     const char *md1 = "MAILER-DAEMON", *md2 = "MAILER-DAEMON@";
 
     /* don't bounce in reply to undeliverable bounces */
-    if (!msg->return_path[0] ||
+    if (!msg || !msg->return_path[0] ||
 	strcmp(msg->return_path, "<>") == 0 ||
 	strcasecmp(msg->return_path, md1) == 0 ||
 	strncasecmp(msg->return_path, md2, strlen(md2)) == 0)
-- 
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