linux-kernel - Re: [syzbot] [io-uring?] KASAN: use-after-free Read in io_wq_worker

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Message-ID: <aa490efa-a316-7846-c757-90302799d9b6@kernel.dk>
Date:   Mon, 13 Mar 2023 08:38:58 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     syzbot <syzbot+b3ba2408ce0c74bb9230@...kaller.appspotmail.com>,
        asml.silence@...il.com, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [io-uring?] KASAN: use-after-free Read in
 io_wq_worker_wake

On 3/13/23 8:32 AM, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
> 
> commit e6db6f9398dadcbc06318a133d4c44a2d3844e61
> Author: Jens Axboe <axboe@...nel.dk>
> Date:   Sun Jan 8 17:39:17 2023 +0000
> 
>     io_uring/io-wq: only free worker if it was allocated for creation

#syz fix: io_uring/io-wq: only free worker if it was allocated for creation

-- 
Jens Axboe