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Date: Fri, 01 Jun 2018 10:28:43 -0400 (EDT)
Message-Id: <20180601.102843.1873090277840412224.davem@davemloft.net>
To: ktkhai@virtuozzo.com
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Subject: Re: [PATCH net] kcm: Fix use-after-free caused by clonned sockets
From: David Miller <davem@davemloft.net>
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        <c1d76abc-5d6f-bd0a-9c84-1c5ed8119e8f@virtuozzo.com>
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From: Kirill Tkhai <ktkhai@virtuozzo.com>
Date: Fri, 1 Jun 2018 14:30:38 +0300

> (resend for properly queueing in patchwork)
> 
> kcm_clone() creates kernel socket, which does not take net counter.
> Thus, the net may die before the socket is completely destructed,
> i.e. kcm_exit_net() is executed before kcm_done().
> 
> Reported-by: syzbot+5f1a04e374a635efc426@syzkaller.appspotmail.com
> Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>

Applied and queued up for -stable, thanks.