Re: [PATCH net-next V2] tuntap: fix possible deadlock when fail to register netdev

On Fri, 2017-12-08 at 12:02 +0800, Jason Wang wrote:

Private destructor could be called when register_netdev() fail with
rtnl lock held. This will lead deadlock in tun_free_netdev() who
tries
to hold rtnl_lock. Fixing this by switching to use spinlock to
synchronize.

Fixes: 96f84061620c ("tun: add eBPF based queue selection method")
Reported-by: Eric Dumazet <redacted>
Cc: Eric Dumazet <redacted>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jason Wang <redacted>
---

Reviewed-by: Eric Dumazet <redacted>

Thanks.