This is a note to let you know that I've just added the patch titled
ip6_tunnel: Update skb->protocol to ETH_P_IPV6 in ip6_tnl_xmit()
to the 4.8-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_tunnel-update-skb-protocol-to-eth_p_ipv6-in-ip6_tnl_xmit.patch
and it can be found in the queue-4.8 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 Thu Nov 10 16:43:03 CET 2016
From: Eli Cooper <elicooper@xxxxxxx>
Date: Wed, 26 Oct 2016 10:11:09 +0800
Subject: ip6_tunnel: Update skb->protocol to ETH_P_IPV6 in ip6_tnl_xmit()
From: Eli Cooper <elicooper@xxxxxxx>
[ Upstream commit ae148b085876fa771d9ef2c05f85d4b4bf09ce0d ]
This patch updates skb->protocol to ETH_P_IPV6 in ip6_tnl_xmit() when an
IPv6 header is installed to a socket buffer.
This is not a cosmetic change. Without updating this value, GSO packets
transmitted through an ipip6 tunnel have the protocol of ETH_P_IP and
skb_mac_gso_segment() will attempt to call gso_segment() for IPv4,
which results in the packets being dropped.
Fixes: b8921ca83eed ("ip4ip6: Support for GSO/GRO")
Signed-off-by: Eli Cooper <elicooper@xxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/ipv6/ip6_tunnel.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1134,6 +1134,7 @@ int ip6_tnl_xmit(struct sk_buff *skb, st
if (err)
return err;
+ skb->protocol = htons(ETH_P_IPV6);
skb_push(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
ipv6h = ipv6_hdr(skb);
Patches currently in stable-queue which might be from elicooper@xxxxxxx are
queue-4.8/ip6_tunnel-update-skb-protocol-to-eth_p_ipv6-in-ip6_tnl_xmit.patch
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