Re: [syzbot] [usb?] INFO: rcu detected stall in __run_timer_base

From: Alan Stern
Date: Wed Jul 31 2024 - 10:08:45 EST


On Wed, Jul 31, 2024 at 04:57:02AM -0700, syzbot wrote:
> 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=14f906bd980000
> start commit: 89be4025b0db Merge tag '6.10-rc1-smb3-client-fixes' of git..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=b9016f104992d69c
> dashboard link: https://syzkaller.appspot.com/bug?extid=1acbadd9f48eeeacda29
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=145ed3fc980000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11c1541c980000
>
> 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