--- x/net/core/filter.c
+++ y/net/core/filter.c
@@ -2147,6 +2147,10 @@ static int __bpf_redirect_no_mac(struct
 		kfree_skb(skb);
 		return -ERANGE;
 	}
+	if (skb_headlen(skb) <= mlen + sizeof(struct iphdr)) {
+		kfree_skb(skb);
+		return -ERANGE;
+	}
 
 	if (mlen) {
 		__skb_pull(skb, mlen);