linux-kernel - Re: general protection fault in bio_associate_blkg_from

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Message-ID: <CAJg=8jxjVZqQN-KcHEWAy2gfjOMZpt4wvLmQ-RF-fLZfhS5nvw@mail.gmail.com>
Date: Wed, 16 Oct 2024 20:44:34 -0700
From: Marius Fleischer <fleischermarius@...il.com>
To: Alexander Potapenko <glider@...gle.com>
Cc: Tejun Heo <tj@...nel.org>, Jens Axboe <axboe@...nel.dk>, cgroups@...r.kernel.org, 
	linux-kernel@...r.kernel.org, syzkaller@...glegroups.com, 
	harrisonmichaelgreen@...il.com
Subject: Re: general protection fault in bio_associate_blkg_from_css

Hi Alexander,
Thank you so much for the hint!
I can confirm that the reproducer also triggers on version 6.12-rc3
(commit 8e929cb546ee42c9a61d24fae60605e9e3192354 from the
stable repo).
Hope this helps!
Best,
Marius

On Wed, 16 Oct 2024 at 00:18, Alexander Potapenko <glider@...gle.com> wrote:
>
> On Tue, Oct 15, 2024 at 8:24 PM Marius Fleischer
> <fleischermarius@...il.com> wrote:
> >
> > Hi,
> >
> > Hope you are doing well!
> >
> > Quick update from our side: The reproducers from the previous email
> > still trigger a general protection fault on v5.15 (commit hash
> > 3a5928702e7120f83f703fd566082bfb59f1a57e). Happy to also test on
> > other kernel versions if that helps.
> >
> > Please let us know if there is any other helpful information I can provide.
> >
> > Wishing you a nice day!
> >
> > Best,
> > Marius
>
> Hi Marius,
>
> Please consider only reporting bugs that are reproducible on the
> upstream kernel:
> https://github.com/google/syzkaller/blob/master/docs/linux/reporting_kernel_bugs.md
> 5.15 is almost three years old.