Commit e4cb6ee3 authored Apr 12, 2021 by Hristo Venev Committed by Greg Kroah-Hartman Apr 28, 2021

net: ip6_tunnel: Unregister catch-all devices



commit 941ea91e87a6e879ed82dad4949f6234f2702bec upstream.

Similarly to the sit case, we need to remove the tunnels with no
addresses that have been moved to another network namespace.

Fixes: 0bd87628 ("ip6tnl: add x-netns support")
Signed-off-by: Hristo Venev <hristo@venev.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 67f33144

net/ipv6/ip6_tunnel.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -2222,6 +2222,16 @@ static void __net_exit ip6_tnl_destroy_tunnels(struct net *net, struct list_head
		t = rtnl_dereference(t->next);
		}
		}

		t = rtnl_dereference(ip6n->tnls_wc[0]);
		while (t) {
		/* If dev is in the same netns, it has already
		* been added to the list by the previous loop.
		*/
		if (!net_eq(dev_net(t->dev), net))
		unregister_netdevice_queue(t->dev, list);
		t = rtnl_dereference(t->next);
		}
		}

		static int __net_init ip6_tnl_init_net(struct net *net)