From: David Miller <davem@davemloft.net>
To: jasowang@redhat.com
Cc: mst@redhat.com, virtualization@lists.linux-foundation.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net] vhost_net: stop device during reset owner
Date: Mon, 29 Jan 2018 12:35:54 -0500 (EST) [thread overview]
Message-ID: <20180129.123554.366362754710512867.davem@davemloft.net> (raw)
In-Reply-To: <1516889032-23510-1-git-send-email-jasowang@redhat.com>
From: Jason Wang <jasowang@redhat.com>
Date: Thu, 25 Jan 2018 22:03:52 +0800
> We don't stop device before reset owner, this means we could try to
> serve any virtqueue kick before reset dev->worker. This will result a
> warn since the work was pending at llist during owner resetting. Fix
> this by stopping device during owner reset.
>
> Reported-by: syzbot+eb17c6162478cc50632c@syzkaller.appspotmail.com
> Fixes: 3a4d5c94e9593 ("vhost_net: a kernel-level virtio server")
> Signed-off-by: Jason Wang <jasowang@redhat.com>
Applied and queued up for -stable.
prev parent reply other threads:[~2018-01-29 17:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-25 14:03 [PATCH net] vhost_net: stop device during reset owner Jason Wang
2018-01-29 17:35 ` David Miller [this message]
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