First, allow entry in notifier hook.
Second, start conntrack cleanup in netns to which netdevice belongs.
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c
index 5e1c817..65c811b 100644
--- a/net/ipv4/netfilter/ipt_MASQUERADE.c
+++ b/net/ipv4/netfilter/ipt_MASQUERADE.c
@@ -119,9 +119,7 @@ static int masq_device_event(struct notifier_block *this,
void *ptr)
{
const struct net_device *dev = ptr;
-
- if (!net_eq(dev_net(dev), &init_net))
- return NOTIFY_DONE;
+ struct net *net = dev_net(dev);
if (event == NETDEV_DOWN) {
/* Device was downed. Search entire table for
@@ -129,7 +127,7 @@ static int masq_device_event(struct notifier_block *this,
and forget them. */
NF_CT_ASSERT(dev->ifindex != 0);
- nf_ct_iterate_cleanup(&init_net, device_cmp,
+ nf_ct_iterate_cleanup(net, device_cmp,
(void *)(long)dev->ifindex);
}
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