linux-kernel - Re: [syzbot] KASAN: use-after-free Write in io_queue_worker

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Message-ID: <000000000000dd7d7e05d2cd063a@google.com>
Date:   Fri, 10 Dec 2021 08:15:08 -0800
From:   syzbot <syzbot+b60c982cb0efc5e05a47@...kaller.appspotmail.com>
To:     asml.silence@...il.com, axboe@...nel.dk, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: use-after-free Write in io_queue_worker_create

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+b60c982cb0efc5e05a47@...kaller.appspotmail.com

Tested on:

commit:         263568d1 io-wq: check for wq exit after adding new wor..
git tree:       git://git.kernel.dk/linux-block io_uring-5.16
kernel config:  https://syzkaller.appspot.com/x/.config?x=6c3ab72998e7f1a4
dashboard link: https://syzkaller.appspot.com/bug?extid=b60c982cb0efc5e05a47
compiler:       Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.2

Note: testing is done by a robot and is best-effort only.