net: Discard and warn about LRO'd skbs received for forwarding

[~andy/linux] / net / ipv4 / ip_forward.c

diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
index 37d36a3f33cde63eb1caced6e7d43b92a6e1c739..da14725916d3437b66ba9c53ecc82a68e82d0a36 100644 (file)
--- a/net/ipv4/ip_forward.c
+++ b/net/ipv4/ip_forward.c
@@ -56,6 +56,9 @@ int ip_forward(struct sk_buff *skb)
        struct rtable *rt;      /* Route we use */
        struct ip_options * opt = &(IPCB(skb)->opt);
 
+       if (skb_warn_if_lro(skb))
+               goto drop;
+
        if (!xfrm4_policy_check(NULL, XFRM_POLICY_FWD, skb))
                goto drop;