Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec

Steffen Klassert says:

====================
pull request (net): ipsec 2020-05-29

1) Several fixes for ESP gro/gso in transport and beet mode when
   IPv6 extension headers are present. From Xin Long.

2) Fix a wrong comment on XFRMA_OFFLOAD_DEV.
   From Antony Antony.

3) Fix sk_destruct callback handling on ESP in TCP encapsulation.
   From Sabrina Dubroca.

4) Fix a use after free in xfrm_output_gso when used with vxlan.
   From Xin Long.

5) Fix secpath handling of VTI when used wiuth IPCOMP.
   From Xin Long.

6) Fix an oops when deleting a x-netns xfrm interface.
   From Nicolas Dichtel.

7) Fix a possible warning on policy updates. We had a case where it was
   possible to add two policies with the same lookup keys.
   From Xin Long.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 21 insertions, 0 deletions

diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c
index 3361e3ac5714..1e115cbf21d3 100644
--- a/net/xfrm/xfrm_interface.c
+++ b/net/xfrm/xfrm_interface.c
@@ -750,7 +750,28 @@ static struct rtnl_link_ops xfrmi_link_ops __read_mostly = {
 	.get_link_net	= xfrmi_get_link_net,
 };
 
+static void __net_exit xfrmi_exit_batch_net(struct list_head *net_exit_list)
+{
+	struct net *net;
+	LIST_HEAD(list);
+
+	rtnl_lock();
+	list_for_each_entry(net, net_exit_list, exit_list) {
+		struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id);
+		struct xfrm_if __rcu **xip;
+		struct xfrm_if *xi;
+
+		for (xip = &xfrmn->xfrmi[0];
+		     (xi = rtnl_dereference(*xip)) != NULL;
+		     xip = &xi->next)
+			unregister_netdevice_queue(xi->dev, &list);
+	}
+	unregister_netdevice_many(&list);
+	rtnl_unlock();
+}
+
 static struct pernet_operations xfrmi_net_ops = {
+	.exit_batch = xfrmi_exit_batch_net,
 	.id   = &xfrmi_net_id,
 	.size = sizeof(struct xfrmi_net),
 };