linux-kernel - Re: INFO: task hung in bdev

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Message-ID: <CAJg=8jzF9xVKiQz0s8=1P4_kxDT-tYAma4u2nXKHnv_jkGDkyg@mail.gmail.com>
Date: Mon, 22 Apr 2024 11:18:25 -0700
From: Marius Fleischer <fleischermarius@...il.com>
To: Christoph Hellwig <hch@...radead.org>
Cc: Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org, 
	linux-kernel@...r.kernel.org, syzkaller@...glegroups.com, 
	harrisonmichaelgreen@...il.com
Subject: Re: INFO: task hung in bdev_open

Hi everyone,

Quick update from my side - this crash also appears in 6.0-rc5 with
the same reproducer and kernel config.

Best,
Marius

On Mon, 22 Apr 2024 at 08:04, Marius Fleischer
<fleischermarius@...il.com> wrote:
>
> Hi Christoph,
>
> Thank you so much for your responsel!
>
> On Sun, 21 Apr 2024 at 23:28, Christoph Hellwig <hch@...radead.org> wrote:
> >
> > On Sun, Apr 21, 2024 at 11:27:52PM -0700, Christoph Hellwig wrote:
> > > On Sat, Apr 20, 2024 at 06:19:01PM -0700, Marius Fleischer wrote:
> > > > Hi,
> > > >
> > > > We would like to report the following bug which has been found by our
> > > > modified version of syzkaller.
> > >
> > > For your reports to be useful please make sure your szybot actually
> > > provides the same features as the real one, that is link to the
> > > reproducer, mention the exact git commit reproducing it, provide a way
> > > to submit fixes.
> >
> > .. or just feed your modifications to the original one so that
> > everything just works..
> >
>
> Please note that the original email does have a reproducer and kernel config
> attached, and specifies the exact git commit of the kernel version on which we
> found this crash. I am happy to manually test any patch attempts. Unfortunately,
> I do not have the infrastructure to host an automated system similar to syzbot.
> Please let me know if there is any additional information in regards
> to this report
> that would be helpful for you!
>
> As of right now, we are not yet ready to approach the team around syzkaller
> to see if they are interested in our modifications as our work is still ongoing
> research. We are certainly hoping to do this at a later stage!
>
> Wishing you a nice start to the week!
>
> Best,
> Marius