netdev - Re: [syzbot] [net?] INFO: rcu detected stall in neigh_timer

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Message-ID: <00000000000011b0080621f73dd2@google.com>
Date: Thu, 12 Sep 2024 19:47:05 -0700
From: syzbot <syzbot+5127feb52165f8ab165b@...kaller.appspotmail.com>
To: davem@...emloft.net, edumazet@...gle.com, gregkh@...uxfoundation.org, 
	kuba@...nel.org, linux-kernel@...r.kernel.org, marcello.bauer@...ements.com, 
	netdev@...r.kernel.org, pabeni@...hat.com, stern@...land.harvard.edu, 
	sylv@...v.io, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [net?] INFO: rcu detected stall in neigh_timer_handler (8)

syzbot suspects this issue was fixed by commit:

commit 22f00812862564b314784167a89f27b444f82a46
Author: Alan Stern <stern@...land.harvard.edu>
Date:   Fri Jun 14 01:30:43 2024 +0000

    USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17eae0a9980000
start commit:   dc772f8237f9 Merge tag 'mm-hotfixes-stable-2024-06-07-15-2..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=333ebe38d43c42e2
dashboard link: https://syzkaller.appspot.com/bug?extid=5127feb52165f8ab165b
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17398dce980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=112fa5ac980000

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

#syz fix: USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages

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