linux-kernel - Re: [syzbot] INFO: task hung in rfkill_sync

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Message-ID: <00000000000080d62605f32b6bcb@google.com>
Date:   Thu, 26 Jan 2023 06:18:16 -0800
From:   syzbot <syzbot+9ef743bba3a17c756174@...kaller.appspotmail.com>
To:     davem@...emloft.net, edumazet@...gle.com, hdanton@...a.com,
        johannes@...solutions.net, krzysztof.kozlowski@...onical.com,
        krzysztof.kozlowski@...aro.org, kuba@...nel.org, linma@....edu.cn,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, pabeni@...hat.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] INFO: task hung in rfkill_sync_work

syzbot has bisected this issue to:

commit 3e3b5dfcd16a3e254aab61bd1e8c417dd4503102
Author: Lin Ma <linma@....edu.cn>
Date:   Tue Nov 16 15:26:52 2021 +0000

    NFC: reorder the logic in nfc_{un,}register_device

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=110cbe1e480000
start commit:   9d2f6060fe4c Merge tag 'trace-v6.2-1' of git://git.kernel...
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=130cbe1e480000
console output: https://syzkaller.appspot.com/x/log.txt?x=150cbe1e480000
kernel config:  https://syzkaller.appspot.com/x/.config?x=85327a149d5f50f
dashboard link: https://syzkaller.appspot.com/bug?extid=9ef743bba3a17c756174
userspace arch: i386
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=156edba0480000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15556074480000

Reported-by: syzbot+9ef743bba3a17c756174@...kaller.appspotmail.com
Fixes: 3e3b5dfcd16a ("NFC: reorder the logic in nfc_{un,}register_device")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection