From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net] vhost_net: add missing lock nesting notation
Date: Mon, 26 Mar 2018 12:59:33 -0400 (EDT)
Message-ID: <20180326.125933.76259382836188471.davem@davemloft.net>
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From: Jason Wang <jasowang@redhat.com>
Date: Mon, 26 Mar 2018 16:10:23 +0800

> We try to hold TX virtqueue mutex in vhost_net_rx_peek_head_len()
> after RX virtqueue mutex is held in handle_rx(). This requires an
> appropriate lock nesting notation to calm down deadlock detector.
> 
> Fixes: 0308813724606 ("vhost_net: basic polling support")
> Reported-by: syzbot+7f073540b1384a614e09@syzkaller.appspotmail.com
> Signed-off-by: Jason Wang <jasowang@redhat.com>

Applied and queued up for -stable, thanks Jason.