This is a note to let you know that I've just added the patch titled
net: Fix netns for ip_tunnel_init_flow()
to the 6.1-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-fix-netns-for-ip_tunnel_init_flow.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 435985b21a158d3e948b7535e2c80aa80690b2e0
Author: Xiao Liang <shaw.leon@xxxxxxxxx>
Date: Thu Dec 19 21:03:36 2024 +0800
net: Fix netns for ip_tunnel_init_flow()
[ Upstream commit b5a7b661a073727219fedc35f5619f62418ffe72 ]
The device denoted by tunnel->parms.link resides in the underlay net
namespace. Therefore pass tunnel->net to ip_tunnel_init_flow().
Fixes: db53cd3d88dc ("net: Handle l3mdev in ip_tunnel_init_flow")
Signed-off-by: Xiao Liang <shaw.leon@xxxxxxxxx>
Reviewed-by: Ido Schimmel <idosch@xxxxxxxxxx>
Link: https://patch.msgid.link/20241219130336.103839-1-shaw.leon@xxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
index b3472fb94617..8883ef012747 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
@@ -423,8 +423,7 @@ mlxsw_sp_span_gretap4_route(const struct net_device *to_dev,
parms = mlxsw_sp_ipip_netdev_parms4(to_dev);
ip_tunnel_init_flow(&fl4, parms.iph.protocol, *daddrp, *saddrp,
- 0, 0, dev_net(to_dev), parms.link, tun->fwmark, 0,
- 0);
+ 0, 0, tun->net, parms.link, tun->fwmark, 0, 0);
rt = ip_route_output_key(tun->net, &fl4);
if (IS_ERR(rt))
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 4f30ccf2d321..67cabc40f1dc 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -294,7 +294,7 @@ static int ip_tunnel_bind_dev(struct net_device *dev)
ip_tunnel_init_flow(&fl4, iph->protocol, iph->daddr,
iph->saddr, tunnel->parms.o_key,
- iph->tos & INET_DSCP_MASK, dev_net(dev),
+ iph->tos & INET_DSCP_MASK, tunnel->net,
tunnel->parms.link, tunnel->fwmark, 0, 0);
rt = ip_route_output_key(tunnel->net, &fl4);
@@ -611,7 +611,7 @@ void ip_md_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
}
ip_tunnel_init_flow(&fl4, proto, key->u.ipv4.dst, key->u.ipv4.src,
tunnel_id_to_key32(key->tun_id),
- tos & INET_DSCP_MASK, dev_net(dev), 0, skb->mark,
+ tos & INET_DSCP_MASK, tunnel->net, 0, skb->mark,
skb_get_hash(skb), key->flow_flags);
if (!tunnel_hlen)
@@ -774,7 +774,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
ip_tunnel_init_flow(&fl4, protocol, dst, tnl_params->saddr,
tunnel->parms.o_key, tos & INET_DSCP_MASK,
- dev_net(dev), READ_ONCE(tunnel->parms.link),
+ tunnel->net, READ_ONCE(tunnel->parms.link),
tunnel->fwmark, skb_get_hash(skb), 0);
if (ip_tunnel_encap(skb, &tunnel->encap, &protocol, &fl4) < 0)
