netdev - Re: [syzbot] [tipc?] [nfs?] INFO: rcu detected stall in sys

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Message-ID: <67d05d15.050a0220.1939a6.001a.GAE@google.com>
Date: Tue, 11 Mar 2025 08:56:05 -0700
From: syzbot <syzbot+872bccd9a68c6ba47718@...kaller.appspotmail.com>
To: andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org, bristot@...nel.org, 
	daniel@...earbox.net, haoluo@...gle.com, jmaloy@...hat.com, 
	john.fastabend@...il.com, jolsa@...nel.org, juri.lelli@...hat.com, 
	kpsingh@...nel.org, linux-kernel@...r.kernel.org, linux-nfs@...r.kernel.org, 
	martin.lau@...ux.dev, netdev@...r.kernel.org, peterz@...radead.org, 
	sdf@...gle.com, song@...nel.org, syzkaller-bugs@...glegroups.com, 
	tipc-discussion@...ts.sourceforge.net, vineeth@...byteword.org, 
	yonghong.song@...ux.dev
Subject: Re: [syzbot] [tipc?] [nfs?] INFO: rcu detected stall in sys_unshare (9)

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=176de7a8580000
start commit:   45ec2f5f6ed3 Merge tag 'mtd/fixes-for-6.8-rc7' of git://gi..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=fad652894fc96962
dashboard link: https://syzkaller.appspot.com/bug?extid=872bccd9a68c6ba47718
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12b890ca180000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=154fbfe2180000

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