Re: [syzbot] [cgroups?] possible deadlock in console_lock_spinning_enable (5)

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On Fri, Jan 17, 2025 at 04:34:03AM -0800, syzbot <syzbot+622acb507894a48b2ce9@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> syzbot has bisected this issue to:
> 
> commit bc0d90ee021f1baecd6aaa010d787eb373aa74dd
> Author: Parav Pandit <parav@xxxxxxxxxx>
> Date:   Tue Jan 5 10:32:02 2021 +0000
> 
>     vdpa: Enable user to query vdpa device info
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1440c2b0580000

syzbot got this somehow wrong, it started with the lockdep bug but then
switched to a different
| crash: BUG: unable to handle kernel paging request in bpf_trace_run3
so the bisecting session yielded (I believe) random commit, didn't it?

(The lockdep appears valid, with PSI enabled and the fault injection at
unfortunate place (with BPF'd tracepoint).)

Michal

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