* Re: [Report] Use-After-Free in io_wq_worker_running
[not found] <CAA2QpBfokQQ=eX=Ek4f4-cft25cRkqALZZB6B=VYYmfUKk5Mzg@mail.gmail.com>
@ 2023-01-15 15:36 ` Jens Axboe
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From: Jens Axboe @ 2023-01-15 15:36 UTC (permalink / raw)
To: Homin Rhee, io-uring
On 1/15/23 6:19 AM, Homin Rhee wrote:
> Hello,
> I'm iCAROS7 and my syzkaller hit follow KASAN bug via UAF.
>
> Target kernel commit: 0bf913e07b37
> Target arch: amd64
> Host syzkaller version: 96166539c4c242fccd41c7316b7080377dca428b
> Host CPU: Intel i7 12700K
> Host OS: Kubuntu 22.04.1 LTS (5.18.19-051819-generic)
This is a duplicate, see the mailing list. But in any case, it's
fixed as of:
commit e6db6f9398dadcbc06318a133d4c44a2d3844e61
Author: Jens Axboe <axboe@kernel.dk>
Date: Sun Jan 8 10:39:17 2023 -0700
io_uring/io-wq: only free worker if it was allocated for creation
caused by a buggy commit that went into 6.2-rc3.
--
Jens Axboe
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2023-01-15 15:36 ` [Report] Use-After-Free in io_wq_worker_running Jens Axboe
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