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authorPatrick McHardy <kaber@trash.net>2006-07-24 22:52:47 -0700
committerDavid S. Miller <davem@davemloft.net>2006-07-24 22:52:47 -0700
commit3bc38712e3a6e0596ccb6f8299043a826f983701 (patch)
tree9be25dce89ce73cfd79000a27eb001adc113af2e /net/netfilter
parent083edca05ab1fa6efac1ba414018f7f45a4a83ff (diff)
downloadblackbird-op-linux-3bc38712e3a6e0596ccb6f8299043a826f983701.tar.gz
blackbird-op-linux-3bc38712e3a6e0596ccb6f8299043a826f983701.zip
[NETFILTER]: nf_queue: handle NF_STOP and unknown verdicts in nf_reinject
In case of an unknown verdict or NF_STOP the packet leaks. Unknown verdicts can happen when userspace is buggy. Reinject the packet in case of NF_STOP, drop on unknown verdicts. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netfilter')
-rw-r--r--net/netfilter/nf_queue.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c
index bb6fcee452ca..662a869593bf 100644
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -219,21 +219,20 @@ void nf_reinject(struct sk_buff *skb, struct nf_info *info,
switch (verdict & NF_VERDICT_MASK) {
case NF_ACCEPT:
+ case NF_STOP:
info->okfn(skb);
+ case NF_STOLEN:
break;
-
case NF_QUEUE:
if (!nf_queue(&skb, elem, info->pf, info->hook,
info->indev, info->outdev, info->okfn,
verdict >> NF_VERDICT_BITS))
goto next_hook;
break;
+ default:
+ kfree_skb(skb);
}
rcu_read_unlock();
-
- if (verdict == NF_DROP)
- kfree_skb(skb);
-
kfree(info);
return;
}
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