linux-kernel - Re: [syzbot] [bpf?] INFO: rcu detected stall in watchdog

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Message-ID: <68f2c9bf.050a0220.1186a4.051b.GAE@google.com>
Date: Fri, 17 Oct 2025 15:57:03 -0700
From: syzbot <syzbot+0bab26cf3949891fb534@...kaller.appspotmail.com>
To: andrii@...nel.org, anna-maria@...utronix.de, ast@...nel.org, 
	bpf@...r.kernel.org, daniel@...earbox.net, frederic@...nel.org, 
	gregkh@...uxfoundation.org, hdanton@...a.com, hverkuil+cisco@...nel.org, 
	linux-kernel@...r.kernel.org, penguin-kernel@...ove.SAKURA.ne.jp, 
	penguin-kernel@...ove.sakura.ne.jp, rafael@...nel.org, sean@...s.org, 
	syzkaller-bugs@...glegroups.com, tglx@...utronix.de
Subject: Re: [syzbot] [bpf?] INFO: rcu detected stall in watchdog

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=154d6734580000
start commit:   e32cde8d2bd7 Merge tag 'sched_ext-for-6.12-rc1-fixes-1' of..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=286b31f2cf1c36b5
dashboard link: https://syzkaller.appspot.com/bug?extid=0bab26cf3949891fb534
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11646580580000

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