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From: "Lai, Yi" <yi1.lai@linux.intel.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: Felix Moessbauer <felix.moessbauer@siemens.com>,
	asml.silence@gmail.com, linux-kernel@vger.kernel.org,
	io-uring@vger.kernel.org, cgroups@vger.kernel.org,
	dqminh@cloudflare.com, longman@redhat.com,
	adriaan.schmidt@siemens.com, florian.bezdeka@siemens.com,
	stable@vger.kernel.org, syzkaller-bugs@googlegroups.com,
	pengfei.xu@intel.com, yi1.lai@intel.com
Subject: Re: [PATCH 1/1] io_uring/sqpoll: do not allow pinning outside of cpuset
Date: Wed, 18 Sep 2024 14:21:25 +0800	[thread overview]
Message-ID: <ZupxZeILxuKqFsRq@ly-workstation> (raw)
In-Reply-To: <5237b4c0-973f-44cc-a6ee-08302871fd19@kernel.dk>

Thanks for reply. I will include lkp into search database before sending
out fuzzing findings.

Regards,
Yi Lai

On Wed, Sep 18, 2024 at 12:16:41AM -0600, Jens Axboe wrote:
> On 9/17/24 9:56 PM, Lai, Yi wrote:
> > Hi Felix Moessbauer,
> > 
> > Greetings!
> > 
> > I used Syzkaller and found that there is KASAN: use-after-free Read in io_sq_offload_create in Linux-next tree - next-20240916.
> > 
> > After bisection and the first bad commit is:
> > "
> > f011c9cf04c0 io_uring/sqpoll: do not allow pinning outside of cpuset
> > "
> 
> This is known and fixed:
> 
> https://git.kernel.dk/cgit/linux/commit/?h=for-6.12/io_uring&id=a09c17240bdf2e9fa6d0591afa9448b59785f7d4
> 
> -- 
> Jens Axboe

      reply	other threads:[~2024-09-18  6:22 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-09 15:00 [PATCH 1/1] io_uring/sqpoll: do not allow pinning outside of cpuset Felix Moessbauer
2024-09-09 15:08 ` Jens Axboe
2024-09-09 15:09 ` Jens Axboe
2024-09-18  3:56 ` Lai, Yi
2024-09-18  6:16   ` Jens Axboe
2024-09-18  6:21     ` Lai, Yi [this message]

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