Re: [syzbot] [net?] INFO: rcu detected stall in neigh_timer_handler (8)

From: syzbot
Date: Thu Sep 12 2024 - 22:47:17 EST


syzbot suspects this issue was fixed by commit:

commit 22f00812862564b314784167a89f27b444f82a46
Author: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
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