linux-kernel - Re: [io-uring] WARNING in __put_task

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Message-ID: <CADZouDRyyPKQyckxQ0SpEO=AJiZuh=r4PfMN6EU4nUJJTaOFbw@mail.gmail.com>
Date: Wed, 12 Jun 2024 08:59:54 +0200
From: chase xd <sl1589472800@...il.com>
To: Pavel Begunkov <asml.silence@...il.com>, Jens Axboe <axboe@...nel.dk>, io-uring@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [io-uring] WARNING in __put_task_struct

Repro hit the bug with a low probability, so maybe you need to try
more times on the branch I reported. Also, this bug still exists in
branch 6.10.0-rc1-00004-gff802a9f35cf-dirty #7.

Pavel Begunkov <asml.silence@...il.com> 于2024年6月12日周三 03:17写道：
>
> On 6/7/24 18:15, chase xd wrote:
> > Dear Linux kernel maintainers,
> >
> > Syzkaller reports this previously unknown bug on Linux
> > 6.8.0-rc3-00043-ga69d20885494-dirty #4. Seems like the bug was
> > silently or unintendedly fixed in the latest version.
>
> I can't reproduce it neither with upstream nor a69d20885494,
> it's likely some funkiness of that branch, and sounds like
> you already tested newer kernels with no success. You can
> also try it with a stable kernel to see if you can hit it.
>
> --
> Pavel Begunkov