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From: Jens Axboe <[email protected]>
To: "Lai, Yi" <[email protected]>,
	Felix Moessbauer <[email protected]>
Cc: [email protected], [email protected],
	[email protected], [email protected],
	[email protected], [email protected],
	[email protected], [email protected],
	[email protected], [email protected],
	[email protected], [email protected]
Subject: Re: [PATCH 1/1] io_uring/sqpoll: do not allow pinning outside of cpuset
Date: Wed, 18 Sep 2024 00:16:41 -0600	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <ZupPb3OH3tnM2ARj@ly-workstation>

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  6:16 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 [this message]
2024-09-18  6:21     ` Lai, Yi

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