This is a note to let you know that I've just added the patch titled
ipvs: clear skb->tstamp in forwarding path
to the 4.19-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:
ipvs-clear-skb-tstamp-in-forwarding-path.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 39cbbfc38d85341bffad5a1553a2e2f8e7400ad9
Author: Julian Anastasov <ja@xxxxxx>
Date: Fri Oct 9 21:24:25 2020 +0300
ipvs: clear skb->tstamp in forwarding path
[ Upstream commit 7980d2eabde82be86c5be18aa3d07e88ec13c6a1 ]
fq qdisc requires tstamp to be cleared in forwarding path
Reported-by: Evgeny B <abt-admin@xxxxxxx>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=209427
Suggested-by: Eric Dumazet <eric.dumazet@xxxxxxxxx>
Fixes: 8203e2d844d3 ("net: clear skb->tstamp in forwarding paths")
Fixes: fb420d5d91c1 ("tcp/fq: move back to CLOCK_MONOTONIC")
Fixes: 80b14dee2bea ("net: Add a new socket option for a future transmit time.")
Signed-off-by: Julian Anastasov <ja@xxxxxx>
Reviewed-by: Simon Horman <horms@xxxxxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index 3f75cd947045e..11f7c546e57b3 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -586,6 +586,8 @@ static inline int ip_vs_tunnel_xmit_prepare(struct sk_buff *skb,
if (ret == NF_ACCEPT) {
nf_reset(skb);
skb_forward_csum(skb);
+ if (skb->dev)
+ skb->tstamp = 0;
}
return ret;
}
@@ -626,6 +628,8 @@ static inline int ip_vs_nat_send_or_cont(int pf, struct sk_buff *skb,
if (!local) {
skb_forward_csum(skb);
+ if (skb->dev)
+ skb->tstamp = 0;
NF_HOOK(pf, NF_INET_LOCAL_OUT, cp->ipvs->net, NULL, skb,
NULL, skb_dst(skb)->dev, dst_output);
} else
@@ -646,6 +650,8 @@ static inline int ip_vs_send_or_cont(int pf, struct sk_buff *skb,
if (!local) {
ip_vs_drop_early_demux_sk(skb);
skb_forward_csum(skb);
+ if (skb->dev)
+ skb->tstamp = 0;
NF_HOOK(pf, NF_INET_LOCAL_OUT, cp->ipvs->net, NULL, skb,
NULL, skb_dst(skb)->dev, dst_output);
} else
