diff options
| -rw-r--r-- | net/ipv4/udp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 6baddfbedca3..8a213238f287 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -955,6 +955,8 @@ static int udp_encap_rcv(struct sock * sk, struct sk_buff *skb) * header and optional ESP marker bytes) and then modify the * protocol to ESP, and then call into the transform receiver. */ + if (skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) + return 0; /* Now we can update and verify the packet length... */ iph = skb->nh.iph; |