This is a note to let you know that I've just added the patch titled ip6_gre: ip6gre_tap device should keep dst 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: ip6_gre-ip6gre_tap-device-should-keep-dst.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 Tue Oct 10 16:09:22 CEST 2017 From: Xin Long <lucien.xin@xxxxxxxxx> Date: Thu, 28 Sep 2017 13:23:50 +0800 Subject: ip6_gre: ip6gre_tap device should keep dst From: Xin Long <lucien.xin@xxxxxxxxx> [ Upstream commit 2d40557cc702ed8e5edd9bd422233f86652d932e ] The patch 'ip_gre: ipgre_tap device should keep dst' fixed a issue that ipgre_tap mtu couldn't be updated in tx path. The same fix is needed for ip6gre_tap as well. Signed-off-by: Xin Long <lucien.xin@xxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/ipv6/ip6_gre.c | 1 + 1 file changed, 1 insertion(+) --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -1298,6 +1298,7 @@ static void ip6gre_tap_setup(struct net_ dev->features |= NETIF_F_NETNS_LOCAL; dev->priv_flags &= ~IFF_TX_SKB_SHARING; dev->priv_flags |= IFF_LIVE_ADDR_CHANGE; + netif_keep_dst(dev); } static bool ip6gre_netlink_encap_parms(struct nlattr *data[], Patches currently in stable-queue which might be from lucien.xin@xxxxxxxxx are queue-4.9/ip6_tunnel-do-not-allow-loading-ip6_tunnel-if-ipv6-is-disabled-in-cmdline.patch queue-4.9/ip6_gre-ip6gre_tap-device-should-keep-dst.patch queue-4.9/ip6_gre-skb_push-ipv6hdr-before-packing-the-header-in-ip6gre_header.patch queue-4.9/ip6_tunnel-update-mtu-properly-for-arphrd_ether-tunnel-device-in-tx-path.patch