When the conntrack is initialized, there is no helper attached
yet so the nat info initialization (nf_nat_setup_info) skips
adding the seqadj ext.
A helper is attached later when the conntrack is not confirmed
but is going to be committed. In this case, if NAT is needed then
adds the seqadj ext as well.
Fixes: 16ec3d4fbb96 ("openvswitch: Fix cached ct with helper.")
Signed-off-by: Flavio Leitner <[email protected]>
---
net/openvswitch/conntrack.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index 1b6896896fff..a7664515c943 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -990,6 +990,11 @@ static int __ovs_ct_lookup(struct net *net, struct
sw_flow_key *key,
GFP_ATOMIC);
if (err)
return err;
+
+ if (info->nat && nfct_help(ct) && !nfct_seqadj(ct)) {
+ if (!nfct_seqadj_ext_add(ct))
+ return -EINVAL;
+ }
}
/* Call the helper only if:
--
2.20.1
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