mirror/openwrt
1
0
Fork 1
mirror of https://git.openwrt.org/openwrt/openwrt.git synced 2026-03-14 23:09:45 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Revert "kernel: revert ip6_tunnel use skb_vlan_inet_prepare() in __ip6_tnl_rcv()"

Browse source 
This reverts commit 466d57ea24.

A backport commit was missing, which was backported upstream with
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.127&id=f478b8239d6564b20bbf2972e441c31f945a2b76
Link: https://lore.kernel.org/all/CANn89iL5ksZZCJr7SK9=4Sw6EejdOzr5_m6pBMM8RVtbLy_ACA@mail.gmail.com/

Signed-off-by: Goetz Goerisch <ggoerisch@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/21919
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Goetz Goerisch 2026-02-26 17:46:59 +01:00 • committed by Hauke Mehrtens
parent 5e819e4bde
commit 1b4efac836
1 changed files with 0 additions and 27 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
target/linux/generic/hack-6.6/940-revert_ip6_tunnel_use_skb_vlan_inet_prepare.patch
View file

@ -1,27 +0,0 @@
From f4d02a22079cc198b26edd0efee5f50e5f3cf0e3 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Fri, 30 Jan 2026 13:34:20 +0100
Subject: Revert "ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv()"
This reverts commit df5ffde9669314500809bc498ae73d6d3d9519ac.
This change broke the IPv6 tunneling stack (MAP-E and DS-Lite)
Link: https://lists.openwall.net/netdev/2026/01/30/70
Link: https://github.com/openwrt/openwrt/issues/21737
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
net/ipv6/ip6_tunnel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -970,7 +970,7 @@ static int __ip6_tnl_rcv(struct ip6_tnl
skb_reset_network_header(skb);
- if (skb_vlan_inet_prepare(skb, true)) {
+ if (!pskb_inet_may_pull(skb)) {
DEV_STATS_INC(tunnel->dev, rx_length_errors);
DEV_STATS_INC(tunnel->dev, rx_errors);
goto drop;