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Message-ID: <68ed353a.050a0220.ac43.003c.GAE@google.com>
Date: Mon, 13 Oct 2025 10:22:02 -0700
From: syzbot <syzbot+879882be5b42e60d4d98@...kaller.appspotmail.com>
To: bp@...en8.de, dave.hansen@...ux.intel.com, fweisbec@...il.com, 
	hdanton@...a.com, hpa@...or.com, hverkuil+cisco@...nel.org, 
	kvm@...r.kernel.org, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org, 
	mingo@...nel.org, mingo@...hat.com, pbonzini@...hat.com, 
	penguin-kernel@...ove.SAKURA.ne.jp, penguin-kernel@...ove.sakura.ne.jp, 
	sean@...s.org, syzkaller-bugs@...glegroups.com, tglx@...utronix.de, 
	vkuznets@...hat.com, wanpengli@...cent.com, x86@...nel.org
Subject: Re: [syzbot] [usb?] INFO: rcu detected stall in dummy_timer (4)

syzbot suspects this issue was fixed by commit:

commit eecd203ada43a4693ce6fdd3a58ae10c7819252c
Author: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
Date:   Thu Jul 17 14:21:55 2025 +0000

    media: imon: make send_packet() more robust

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15729dcd980000
start commit:   200e340f2196 Merge tag 'pull-work.dcache' of git://git.ker..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=f2886ebe3c7b3459
dashboard link: https://syzkaller.appspot.com/bug?extid=879882be5b42e60d4d98
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=156ff9f2080000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=178a89f2080000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: media: imon: make send_packet() more robust

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

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