linux-kernel - Re: general protection fault in bio_associate_blkg_from

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Message-ID: <CAG_fn=Ww=dZ82B0Or8OJfYm1KB7JGMUQ9ZwyjMNP6pN7BxmLQw@mail.gmail.com>
Date: Wed, 16 Oct 2024 09:18:01 +0200
From: Alexander Potapenko <glider@...gle.com>
To: Marius Fleischer <fleischermarius@...il.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

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.