From 89dc7592eea3f7b2804c2ec09f58c877ad096fef Mon Sep 17 00:00:00 2001
From: Oswald Buddenhagen <ossi@users.sf.net>
Date: Sun, 27 Sep 2015 12:13:34 +0200
Subject: [PATCH] don't crash when dns lookup fails (ipv6 path)

we call socket_connect_bail() when getaddrinfo() failed, so it must deal
with no addrinfo being there yet.
---
 src/socket.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/socket.c b/src/socket.c
index 5c1ce93..9fd6eca 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -520,7 +520,10 @@ static void
 socket_connect_bail( conn_t *conn )
 {
 #ifdef HAVE_IPV6
-	freeaddrinfo( conn->addrs );
+	if (conn->addrs) {
+		freeaddrinfo( conn->addrs );
+		conn->addrs = 0;
+	}
 #endif
 	free( conn->name );
 	conn->name = 0;