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

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Date: Tue, 04 Jun 2024 16:26:04 -0700
From: syzbot <syzbot+78e2288f58b881ed3c45@...kaller.appspotmail.com>
To: Henk.Vergonet@...il.com, dmitry.torokhov@...il.com, 
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-trace-kernel@...r.kernel.org, linux-usb@...r.kernel.org, 
	linux1394-devel@...ts.sourceforge.net, mathieu.desnoyers@...icios.com, 
	mhiramat@...nel.org, o-takashi@...amocchi.jp, ricardo@...liere.net, 
	rostedt@...dmis.org, rydberg@...math.org, syzkaller-bugs@...glegroups.com, 
	usbb2k-api-dev@...gnu.org
Subject: Re: [syzbot] [usb?] [input?] INFO: task hung in __input_unregister_device
 (5)

syzbot has bisected this issue to:

commit 6b0b708f12d18f9cccfb1c418bea59fcbff8798c
Author: Takashi Sakamoto <o-takashi@...amocchi.jp>
Date:   Wed May 1 07:32:38 2024 +0000

    firewire: core: add tracepoint event for handling bus reset

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14969a16980000
start commit:   e0cce98fe279 Merge tag 'tpmdd-next-6.10-rc2' of git://git...
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12969a16980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=238430243a58f702
dashboard link: https://syzkaller.appspot.com/bug?extid=78e2288f58b881ed3c45
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1318e162980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=122e8eaa980000

Reported-by: syzbot+78e2288f58b881ed3c45@...kaller.appspotmail.com
Fixes: 6b0b708f12d1 ("firewire: core: add tracepoint event for handling bus reset")

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