linux-kernel - Re: [syzbot] [mm?] [bluetooth?] INFO: rcu detected stall in vhci

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Message-ID: <670420b1.050a0220.49194.0514.GAE@google.com>
Date: Mon, 07 Oct 2024 10:56:01 -0700
From: syzbot <syzbot+46c3d1706c2d2688baba@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, bigeasy@...utronix.de, edumazet@...gle.com, 
	kerneljasonxing@...il.com, kuba@...nel.org, linux-bluetooth@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, luiz.dentz@...il.com, 
	marcel@...tmann.org, pabeni@...hat.com, syzkaller-bugs@...glegroups.com, 
	tglx@...utronix.de
Subject: Re: [syzbot] [mm?] [bluetooth?] INFO: rcu detected stall in vhci_release

syzbot has bisected this issue to:

commit d15121be7485655129101f3960ae6add40204463
Author: Paolo Abeni <pabeni@...hat.com>
Date:   Mon May 8 06:17:44 2023 +0000

    Revert "softirq: Let ksoftirqd do its job"

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=132af79f980000
start commit:   abf2050f51fd Merge tag 'media/v6.12-1' of git://git.kernel..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=172af79f980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=2a8c36c5e2b56016
dashboard link: https://syzkaller.appspot.com/bug?extid=46c3d1706c2d2688baba
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10564c80580000

Reported-by: syzbot+46c3d1706c2d2688baba@...kaller.appspotmail.com
Fixes: d15121be7485 ("Revert "softirq: Let ksoftirqd do its job"")

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