linux-kernel - Re: [syzbot] [fs] INFO: rcu detected stall in sys

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Message-ID: <671af0dd.050a0220.2eb763.00ce.GAE@google.com>
Date: Thu, 24 Oct 2024 18:14:05 -0700
From: syzbot <syzbot+de026b20f56e1598e760@...kaller.appspotmail.com>
To: andrii@...nel.org, asmadeus@...ewreck.org, ast@...nel.org, 
	bpf@...r.kernel.org, bristot@...nel.org, daniel@...earbox.net, 
	eddyz87@...il.com, ericvh@...nel.org, haoluo@...gle.com, 
	john.fastabend@...il.com, jolsa@...nel.org, juri.lelli@...hat.com, 
	kpsingh@...nel.org, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, lucho@...kov.net, martin.lau@...ux.dev, 
	peterz@...radead.org, sdf@...gle.com, song@...nel.org, 
	syzkaller-bugs@...glegroups.com, v9fs@...ts.linux.dev, 
	vineeth@...byteword.org, yonghong.song@...ux.dev
Subject: Re: [syzbot] [fs] INFO: rcu detected stall in sys_mount (7)

syzbot suspects this issue was fixed by commit:

commit 5f6bd380c7bdbe10f7b4e8ddcceed60ce0714c6d
Author: Peter Zijlstra <peterz@...radead.org>
Date:   Mon May 27 12:06:55 2024 +0000

    sched/rt: Remove default bandwidth control

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=126a5e40580000
start commit:   3b68086599f8 Merge tag 'sched_urgent_for_v6.9_rc5' of git:..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=f47e5e015c177e57
dashboard link: https://syzkaller.appspot.com/bug?extid=de026b20f56e1598e760
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1775971b180000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1290b320980000

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

#syz fix: sched/rt: Remove default bandwidth control

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