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From:   Zheng Hacker <hackerzheng666@gmail.com>
Date:   Tue, 25 Jul 2023 10:26:00 +0800
Message-ID: <CAJedcCzrLMVGKmTR-21Uk2EVRhX5fRmEZ95btg_XOpsN33UU6A@mail.gmail.com>
Subject: Re: [PATCH net v3] net: ravb: Fix possible UAF bug in ravb_remove
To:     Lee Jones <lee@kernel.org>
Cc:     Sergey Shtylyov <s.shtylyov@omp.ru>,
        Jakub Kicinski <kuba@kernel.org>,
        Zheng Wang <zyytlz.wz@163.com>, davem@davemloft.net,
        linyunsheng@huawei.com, edumazet@google.com, pabeni@redhat.com,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        1395428693sheep@gmail.com, alex000young@gmail.com
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Lee Jones <lee@kernel.org> =E4=BA=8E2023=E5=B9=B47=E6=9C=8824=E6=97=A5=E5=
=91=A8=E4=B8=80 17:21=E5=86=99=E9=81=93=EF=BC=9A
>
> On Mon, 17 Jul 2023, Lee Jones wrote:
>
> > On Sun, 16 Jul 2023, Zheng Hacker wrote:
> > > Zheng Hacker <hackerzheng666@gmail.com> =E4=BA=8E2023=E5=B9=B47=E6=9C=
=8816=E6=97=A5=E5=91=A8=E6=97=A5 10:11=E5=86=99=E9=81=93=EF=BC=9A
> > > >
> > > > Hello,
> > > >
> > > > This bug is found by static analysis. I'm sorry that my friends app=
ly
> > > > for a CVE number before we really fix it. We made a list about the
> > > > bugs we have submitted and wouldn't disclose them before the fix. B=
ut
> > > > we had a inconsistent situation last month. And we applied it by
> > > > mistake foe we thought we had fixed it. And so sorry about my late
> > > > reply, I'll see the patch right now.
> > > >
> > > > Best regards,
> > > > Zheng Wang
> > > >
> > > > Sergey Shtylyov <s.shtylyov@omp.ru> =E4=BA=8E2023=E5=B9=B47=E6=9C=
=8816=E6=97=A5=E5=91=A8=E6=97=A5 04:48=E5=86=99=E9=81=93=EF=BC=9A
> > > > >
> > > > > On 7/15/23 7:07 PM, Zheng Hacker wrote:
> > > > >
> > > > > > Sorry for my late reply. I'll see what I can do later.
> > > > >
> > > > >    That's good to hear!
> > > > >    Because I'm now only able to look at it during weekends...
> > > > >
> > > > > > Lee Jones <lee@kernel.org> =E4=BA=8E2023=E5=B9=B47=E6=9C=8812=
=E6=97=A5=E5=91=A8=E4=B8=89 19:56=E5=86=99=E9=81=93=EF=BC=9A
> > > > > >>
> > > > > >> On Mon, 10 Jul 2023, Jakub Kicinski wrote:
> > > > > >>
> > > > > >>> On Mon, 10 Jul 2023 12:42:53 +0100 Lee Jones wrote:
> > > > > >>>> For better or worse, it looks like this issue was assigned a=
 CVE.
> > > > > >>>
> > > > > >>> Ugh, what a joke.
> > > > > >>
> > > > > >> I think that's putting it politely. :)
> > >
> > > After reviewing the code, I think it's better to put the code in
> > > ravb_remove. For the ravb_remove is bound with the device and
> > > ravb_close is bound with the file. We may not call ravb_close if
> > > there's no file opened.
> >
> > When you do submit this, would you be kind enough to Cc me please?
>
> Could I trouble you for an update on this please?
>
> Have you submitted v4 yet?

Sorry, will do right now.

Best regards,
Zheng
>
> --
> Lee Jones [=E6=9D=8E=E7=90=BC=E6=96=AF]