linux-kernel - Re: [syzbot] KCSAN: data-race in __io_uring_cancel / io_uring_try_cancel

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Message-ID: <0b33f17e-9105-aad0-5d32-c3ed54a00da4@gmail.com>
Date:   Wed, 26 May 2021 17:33:00 +0100
From:   Pavel Begunkov <asml.silence@...il.com>
To:     Marco Elver <elver@...gle.com>, axboe@...nel.dk
Cc:     syzbot <syzbot+73554e2258b7b8bf0bbf@...kaller.appspotmail.com>,
        io-uring@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, dvyukov@...gle.com
Subject: Re: [syzbot] KCSAN: data-race in __io_uring_cancel /
 io_uring_try_cancel_requests

On 5/26/21 5:29 PM, Pavel Begunkov wrote:
> On 5/26/21 4:52 PM, Marco Elver wrote:
>> Due to some moving around of code, the patch lost the actual fix (using
>> atomically read io_wq) -- so here it is again ... hopefully as intended.
>> :-)
> 
> "fortify" damn it...

fwiw, it's a reference to my own commit that came after -rc

-- 
Pavel Begunkov