diff options
| author | wenxu <wenxu@ucloud.cn> | 2021-07-02 06:34:31 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-25 15:36:19 +0300 |
| commit | c3bc9ce7d400718b8341aab0f4fe86d2cf6a3715 (patch) | |
| tree | 031e804542224034a4a97053381afbbb61a88e8c | |
| parent | fc40fdefd94aa833cb1065ababa1d2349fa72d69 (diff) | |
| download | linux-c3bc9ce7d400718b8341aab0f4fe86d2cf6a3715.tar.xz | |
net/sched: act_ct: fix err check for nf_conntrack_confirm
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@ucloud.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | net/sched/act_ct.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c index 7ef074c6dd16..f1088599fafd 100644 --- a/net/sched/act_ct.c +++ b/net/sched/act_ct.c @@ -1023,7 +1023,8 @@ do_nat: /* 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; } if (!skip_add) |