This is a note to let you know that I've just added the patch titled
net/sched: act_ct: fix err check for nf_conntrack_confirm
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-sched-act_ct-fix-err-check-for-nf_conntrack_confirm.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 8955b90c3cdad199137809aac8ccbbb585355913 Mon Sep 17 00:00:00 2001
From: wenxu <wenxu@xxxxxxxxx>
Date: Fri, 2 Jul 2021 11:34:31 +0800
Subject: net/sched: act_ct: fix err check for nf_conntrack_confirm
From: wenxu <wenxu@xxxxxxxxx>
commit 8955b90c3cdad199137809aac8ccbbb585355913 upstream.
The confirm operation should be checked. If there are any failed,
the packet should be dropped like in ovs and netfilter.
Fixes: b57dc7c13ea9 ("net/sched: Introduce action ct")
Signed-off-by: wenxu <wenxu@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/sched/act_ct.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -474,7 +474,8 @@ static int tcf_ct_act(struct sk_buff *sk
/* This will take care of sending queued events
* even if the connection is already confirmed.
*/
- nf_conntrack_confirm(skb);
+ if (nf_conntrack_confirm(skb) != NF_ACCEPT)
+ goto drop;
}
out_push:
Patches currently in stable-queue which might be from wenxu@xxxxxxxxx are
queue-5.4/net-sched-act_ct-fix-err-check-for-nf_conntrack_confirm.patch
