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

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Message-ID: <00000000000097da7005f1d9d61f@google.com>
Date:   Mon, 09 Jan 2023 11:33:14 -0800
From:   syzbot <syzbot+b3ba2408ce0c74bb9230@...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 Read in io_wq_worker_wake

Hello,

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

Reported-and-tested-by: syzbot+b3ba2408ce0c74bb9230@...kaller.appspotmail.com

Tested on:

commit:         a4b98579 Merge branch 'io_uring-6.2' into syztest
git tree:       git://git.kernel.dk/linux.git syztest
console output: https://syzkaller.appspot.com/x/log.txt?x=1774afd6480000
kernel config:  https://syzkaller.appspot.com/x/.config?x=8b79b14037065d92
dashboard link: https://syzkaller.appspot.com/bug?extid=b3ba2408ce0c74bb9230
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.