From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jason Wang <jasowang@redhat.com>
Subject: Re: [PATCH net-next 00/12] ptr_ring fixes
Date: Fri, 26 Jan 2018 11:20:38 +0800
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Cc: netdev@vger.kernel.org, John Fastabend <john.fastabend@gmail.com>,
        David Miller <davem@davemloft.net>
To: "Michael S. Tsirkin" <mst@redhat.com>, linux-kernel@vger.kernel.org
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On 2018年01月26日 07:36, Michael S. Tsirkin wrote:
> This fixes a bunch of issues around ptr_ring use in net core.
> One of these: "tap: fix use-after-free" is also needed on net,
> but can't be backported cleanly.
>
> I will post a net patch separately.
>
> Lightly tested - Jason, could you pls confirm this
> addresses the security issue you saw with ptr_ring?
> Testing reports would be appreciated too.

With the reproducer provided by syzbot, the problem has been fixed.

Thanks