Le 02/12/2020 à 14:18, Steffen Klassert a écrit : > On Fri, Nov 27, 2020 at 03:10:48PM +0100, Phil Sutter wrote: [snip] >> diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c >> index aa4cdcf69d471..24af61c95b4d4 100644 >> --- a/net/xfrm/xfrm_interface.c >> +++ b/net/xfrm/xfrm_interface.c >> @@ -317,7 +317,8 @@ xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl) >> skb_dst_set(skb, dst); >> skb->dev = tdev; >> >> - err = dst_output(xi->net, skb->sk, skb); >> + err = NF_HOOK(skb_dst(skb)->ops->family, NF_INET_LOCAL_OUT, xi->net, >> + skb->sk, skb, NULL, skb_dst(skb)->dev, dst_output); >> if (net_xmit_eval(err) == 0) { >> struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats); > > I don't mind that change, but we have to be carefull on namespace transition. > xi->net is the namespace 'behind' the xfrm interface. I guess this is the > namespace where you want to do the match because that is the namespace > that has the policies and states for the xfrm interface. So I think that > change is correct, I just wanted to point that out explicitely. > I also agree with the change and the x-netns case.