Re: [RFC PATCH v2 1/2] ARM/mm/fault: always goto bad_area when handling with page faults of kernel address

Sebastian Andrzej Siewior
2025-11-28T17:22:46Z

On 2025-11-28 17:01:18 [+0000], Russell King (Oracle) wrote:
> > I hope Russell will add them once he gets to it. They got reviewed, I
> > added them to the patch system.
>
> I'm not sure which patches you're talking about, but discussion is
> still ongoing, so it would be greatly premature to merge anything.

This thread
https://lore.kernel.org/all/20251110145555.2555055-1-bigeasy@linutronix.de/

and the patches are 9459/1 to 9463/1 in your patch system. They address
other issues, not this one.

> https://lore.kernel.org/r/aSmUnZZATTn3JD7m@willie-the-truck
>
> There are now many threads each with their own discussion, which
> makes it more difficult to work out which is the implementation that
> should be merged. Clearly, not everyone knows about the other
> discussion threads.

So Will suggested to let change the handler and handle this case. The
other patch is avoiding handling addr > TASK_SIZE.
Any preferences from your side?

Sebastian