This is a note to let you know that I've just added the patch titled net, ip_tunnel: fix namespaces move to the 4.9-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-ip_tunnel-fix-namespaces-move.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Mon 27 Jan 2020 04:06:27 PM CET From: William Dauchy <w.dauchy@xxxxxxxxxx> Date: Tue, 21 Jan 2020 15:26:24 +0100 Subject: net, ip_tunnel: fix namespaces move From: William Dauchy <w.dauchy@xxxxxxxxxx> [ Upstream commit d0f418516022c32ecceaf4275423e5bd3f8743a9 ] in the same manner as commit 690afc165bb3 ("net: ip6_gre: fix moving ip6gre between namespaces"), fix namespace moving as it was broken since commit 2e15ea390e6f ("ip_gre: Add support to collect tunnel metadata."). Indeed, the ip6_gre commit removed the local flag for collect_md condition, so there is no reason to keep it for ip_gre/ip_tunnel. this patch will fix both ip_tunnel and ip_gre modules. Fixes: 2e15ea390e6f ("ip_gre: Add support to collect tunnel metadata.") Signed-off-by: William Dauchy <w.dauchy@xxxxxxxxxx> Acked-by: Nicolas Dichtel <nicolas.dichtel@xxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/ipv4/ip_tunnel.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -1184,10 +1184,8 @@ int ip_tunnel_init(struct net_device *de iph->version = 4; iph->ihl = 5; - if (tunnel->collect_md) { - dev->features |= NETIF_F_NETNS_LOCAL; + if (tunnel->collect_md) netif_keep_dst(dev); - } return 0; } EXPORT_SYMBOL_GPL(ip_tunnel_init); Patches currently in stable-queue which might be from w.dauchy@xxxxxxxxxx are queue-4.9/net-ip_tunnel-fix-namespaces-move.patch queue-4.9/net-ip6_tunnel-fix-namespaces-move.patch