--- linux-3.3.noarch/net/ipv4/route.c~	2012-04-02 20:24:44.162789023 -0400
+++ linux-3.3.noarch/net/ipv4/route.c	2012-04-02 20:25:20.610784137 -0400
@@ -2794,6 +2794,14 @@ static struct rtable *ip_route_output_sl
 		fl4->saddr = FIB_RES_PREFSRC(net, res);
 
 	dev_out = FIB_RES_DEV(res);
+
+	if (!dev_out) {
+		pr_crit("ipv4: FIB_RES_DEV() is NULL, nh_sel=%d\n",
+			res.nh_sel);
+		rth = ERR_PTR(-EINVAL);
+		goto out;
+	}
+
 	fl4->flowi4_oif = dev_out->ifindex;