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

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Date:   Sat, 02 Jul 2022 15:16:06 -0700
From:   syzbot <syzbot+deb6abc36aad4008f407@...kaller.appspotmail.com>
To:     dmitry.torokhov@...il.com, johan@...nel.org,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, rydberg@...math.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] INFO: task hung in __input_unregister_device (4)

syzbot has bisected this issue to:

commit 744d0090a5f6dfa4c81b53402ccdf08313100429
Author: Johan Hovold <johan@...nel.org>
Date:   Wed Nov 10 06:58:01 2021 +0000

    Input: iforce - fix control-message timeout

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1603376c080000
start commit:   089866061428 Merge tag 'libnvdimm-fixes-5.19-rc5' of git:/..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1503376c080000
console output: https://syzkaller.appspot.com/x/log.txt?x=1103376c080000
kernel config:  https://syzkaller.appspot.com/x/.config?x=833001d0819ddbc9
dashboard link: https://syzkaller.appspot.com/bug?extid=deb6abc36aad4008f407
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=158619f0080000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1072b5f4080000

Reported-by: syzbot+deb6abc36aad4008f407@...kaller.appspotmail.com
Fixes: 744d0090a5f6 ("Input: iforce - fix control-message timeout")

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