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[11/12] netfilter: nfnetlink_queue: Solve the NFQUEUE/conntrack clash for NF_REPEAT

Message ID 20180911002044.9100-12-pablo@netfilter.org
State Accepted
Delegated to: Pablo Neira
Headers show
Series [01/12] netfilter: conntrack: remove duplicated include from nf_conntrack_proto_udp.c | expand

Commit Message

Pablo Neira Ayuso Sept. 11, 2018, 12:20 a.m. UTC 
From: Michal 'vorner' Vaner <michal.vaner@avast.com>

NF_REPEAT places the packet at the beginning of the iptables chain
instead of accepting or rejecting it right away. The packet however will
reach the end of the chain and continue to the end of iptables
eventually, so it needs the same handling as NF_ACCEPT and NF_DROP.

Fixes: 368982cd7d1b ("netfilter: nfnetlink_queue: resolve clash for unconfirmed conntracks")
Signed-off-by: Michal 'vorner' Vaner <michal.vaner@avast.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/nfnetlink_queue.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index ea4ba551abb2..d33094f4ec41 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -233,6 +233,7 @@  static void nfqnl_reinject(struct nf_queue_entry *entry, unsigned int verdict)
 	int err;
 
 	if (verdict == NF_ACCEPT ||
+	    verdict == NF_REPEAT ||
 	    verdict == NF_STOP) {
 		rcu_read_lock();
 		ct_hook = rcu_dereference(nf_ct_hook);