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SubjectRE: [PATCH v3] virtio_vsock: Fix race condition in virtio_transport_recv_pkt()
Date
Hi Markus

> -----Original Message-----
> From: Markus Elfring <Markus.Elfring@web.de>
> Sent: Saturday, May 30, 2020 6:41 PM
> To: Justin He <Justin.He@arm.com>; kvm@vger.kernel.org;
> netdev@vger.kernel.org; virtualization@lists.linux-foundation.org
> Cc: kernel-janitors@vger.kernel.org; linux-kernel@vger.kernel.org;
> stable@vger.kernel.org; David S. Miller <davem@davemloft.net>; Jakub
> Kicinski <kuba@kernel.org>; Kaly Xin <Kaly.Xin@arm.com>; Stefan Hajnoczi
> <stefanha@redhat.com>; Stefano Garzarella <sgarzare@redhat.com>
> Subject: Re: [PATCH v3] virtio_vsock: Fix race condition in
> virtio_transport_recv_pkt()
>
> > This fixes it by checking sk->sk_shutdown(suggested by Stefano) after
> > lock_sock since sk->sk_shutdown is set to SHUTDOWN_MASK under the
> > protection of lock_sock_nested.
>
> How do you think about a wording variant like the following?
>
> Thus check the data structure member “sk_shutdown” (suggested by Stefano)
> after a call of the function “lock_sock” since this field is set to
> “SHUTDOWN_MASK” under the protection of “lock_sock_nested”.
>
Okay, will update the commit msg.

>
> Would you like to add the tag “Fixes” to the commit message?
Sure.

Thanks


--
Cheers,
Justin (Jia He)


>
> Regards,
> Markus
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