diff options
Diffstat (limited to 'net/ipv4/ip_input.c')
| -rw-r--r-- | net/ipv4/ip_input.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index e0bed56c51f..cfb38ac9d69 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -8,7 +8,7 @@ * Authors: Ross Biro * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> * Donald Becker, <becker@super.org> - * Alan Cox, <Alan.Cox@linux.org> + * Alan Cox, <alan@lxorguk.ukuu.org.uk> * Richard Underwood * Stefan Becker, <stefanb@yello.ping.de> * Jorge Cwik, <jorge@laser.satlink.net> @@ -209,9 +209,17 @@ static int ip_local_deliver_finish(struct sk_buff *skb) hash = protocol & (MAX_INET_PROTOS - 1); ipprot = rcu_dereference(inet_protos[hash]); - if (ipprot != NULL && (net == &init_net || ipprot->netns_ok)) { + if (ipprot != NULL) { int ret; + if (!net_eq(net, &init_net) && !ipprot->netns_ok) { + if (net_ratelimit()) + printk("%s: proto %d isn't netns-ready\n", + __func__, protocol); + kfree_skb(skb); + goto out; + } + if (!ipprot->no_policy) { if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) { kfree_skb(skb); |