linux-kernel - Re: KASAN: use-after-free Write in snd_rawmidi_kernel

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Message-ID: <CAFcO6XMitGEYHYykgmzWc4NWME+O+1KTXfmf2zaeN147c2y4_A@mail.gmail.com>
Date:   Thu, 7 May 2020 18:01:11 +0800
From:   butt3rflyh4ck <butterflyhuangxx@...il.com>
To:     Takashi Iwai <tiwai@...e.de>
Cc:     security@...nel.org, syzkaller <syzkaller@...glegroups.com>,
        tiwai@...e.com, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: KASAN: use-after-free Write in snd_rawmidi_kernel_write1

No, it's not.

Regards,
  butt3rflyh4ck.


On Thu, May 7, 2020 at 5:50 PM Takashi Iwai <tiwai@...e.de> wrote:
>
> On Thu, 07 May 2020 09:54:34 +0200,
> butt3rflyh4ck wrote:
> >
> > I report a bug (in linux-5.7-rc1) found by syzkaller.
> >
> > kernel config:
> > https://github.com/butterflyhack/syzkaller-fuzz/blob/master/v5.7.0-rc1.config
> > reproducer:
> > https://github.com/butterflyhack/syzkaller-fuzz/blob/master/repro.cprog
>
> Is this report different from your another one?
>   https://lore.kernel.org/r/CAFcO6XMGT42wFBxEa01Ee5Msuecm+WiXnn4rc-VWkC4vTzycPg@mail.gmail.com
>
>
> thanks,
>
> Takashi