Re: [Bug] Deadlock between rfkill_fop_write() and nfc_unregister_device()

[Johannes Berg]

On Tue, 2024-12-17 at 11:46 +0100, Johannes Berg wrote:
> On Tue, 2024-12-17 at 17:33 +0800, Sam Sun wrote:
> > Dear developers and maintainers,
> > 
> > We originally encountered a task hung while using our modified
> > syzkaller. It was tested against the latest upstream kernel. We
> > analyzed the root cause and pinpoint the kernel crash log to the
> > following two tasks.
> > 
> 
> This issue has been known a very long time and should be fixed in NFC,
> but I guess nobody is around to do it.
> 
> https://syzkaller.appspot.com/bug?extid=bb540a4bbfb4ae3b425d
> 

I think this one is also the same:

https://syzkaller.appspot.com/bug?extid=9ef743bba3a17c756174

and that's much older still.

johannes