From 385b02614e3eb2204582bbfebb1d4e515da959c4 Mon Sep 17 00:00:00 2001 From: Goetz Goerisch Date: Sat, 14 Feb 2026 20:52:36 +0100 Subject: [PATCH] Revert "kernel: revert ip6_tunnel use skb_vlan_inet_prepare() in __ip6_tnl_rcv()" This reverts commit ee0b160accecc397c124b8ddc356822be32a3320. A backport commit was missing which was backported upstream with https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.71&id=4ce768ac429ec1c2d4ba63a408fed454ed12b248 Link: https://lore.kernel.org/all/CANn89iL5ksZZCJr7SK9=4Sw6EejdOzr5_m6pBMM8RVtbLy_ACA@mail.gmail.com/ Signed-off-by: Goetz Goerisch Link: https://github.com/openwrt/openwrt/pull/22025 Signed-off-by: Hauke Mehrtens --- ...ip6_tunnel_use_skb_vlan_inet_prepare.patch | 27 ------------------- 1 file changed, 27 deletions(-) delete mode 100644 target/linux/generic/hack-6.12/940-revert_ip6_tunnel_use_skb_vlan_inet_prepare.patch diff --git a/target/linux/generic/hack-6.12/940-revert_ip6_tunnel_use_skb_vlan_inet_prepare.patch b/target/linux/generic/hack-6.12/940-revert_ip6_tunnel_use_skb_vlan_inet_prepare.patch deleted file mode 100644 index da0c5e49d1b..00000000000 --- a/target/linux/generic/hack-6.12/940-revert_ip6_tunnel_use_skb_vlan_inet_prepare.patch +++ /dev/null @@ -1,27 +0,0 @@ -From f4d02a22079cc198b26edd0efee5f50e5f3cf0e3 Mon Sep 17 00:00:00 2001 -From: Hauke Mehrtens -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 ---- - 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; -- 2.47.3