Re: [PATCH net] net/packet: fix a race in packet_set_ring() and packet_notifier()

[Willem de Bruijn <willemdebruijn.kernel@gmail.com>]

Willem de Bruijn wrote:
> From: Willem de Bruijn <willemb@google.com>
> 
> When packet_set_ring() releases po->bind_lock, another thread can
> run packet_notifier() and process an NETDEV_UP event.
> 
> This race and the fix are both similar to that of commit 15fe076edea7
> ("net/packet: fix a race in packet_bind() and packet_notifier()").
> 
> There too the packet_notifier NETDEV_UP event managed to run while a
> po->bind_lock critical section had to be temporarily released. And
> the fix was similarly to temporarily set po->num to zero to keep
> the socket unhooked until the lock is retaken.
> 
> The po->bind_lock in packet_set_ring and packet_notifier precede the
> introduction of git history.
> 
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Cc: stable@vger.kernel.org
> Signed-off-by: Quang Le <quanglex97@gmail.com>
> Signed-off-by: Willem de Bruijn <willemb@google.com>

The From: author attribution is incorrect.

I will resubmit (after the customary 24 hrs).