diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index b24d58e6bbcd623526dc9b70399a1bfc6a9de677..52b0b956508b93046dd0cc3ef9dfd157f3d57ea5 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1665,6 +1665,7 @@ static int ip_rt_bug(struct sk_buff *skb)
 		&ip_hdr(skb)->saddr, &ip_hdr(skb)->daddr,
 		skb->dev ? skb->dev->name : "?");
 	kfree_skb(skb);
+	WARN_ON(1);
 	return 0;
 }