diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 43adfc1641bacac2df882970e1eafca318896041..2f01cf6fa0deffb6f86a4db89b0aa8b951d0f352 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -275,6 +275,9 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, const struct iphdr *tiph = &tunnel->parms.iph; u8 ipproto; + if (!pskb_inet_may_pull(skb)) + goto tx_error; + switch (skb->protocol) { case htons(ETH_P_IP): ipproto = IPPROTO_IPIP;