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
prev parent 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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