[PATCH] ARM: Remove address checking for MMUless devices

[Kees Cook]

On Mon, Jul 01, 2024 at 01:54:21PM +0200, Linux regression tracking (Thorsten Leemhuis) wrote:
> On 12.06.24 03:25, Yanjun Yang wrote:
> > Apologies for not CCing the relevant maintainers in my previous email.
> > 
> > On Tue, Jun 11, 2024 at 6:09 PM Yanjun Yang <yangyj.ee at gmail.com> wrote:
> >>
> >> Commit 169f9102f9198b ("ARM: 9350/1: fault:
> >> Implement copy_from_kernel_nofault_allowed()") added the function to check
> >> address before use. However, for devices without MMU, addr > TASK_SIZE
> >> will always fail.  This patch move this function after the #ifdef
> >> CONFIG_MMU statement.
> 
> What happened to this fix regression for a 6.9 regression? From here it
> looks like it fell through the cracks, but I might be missing something.

This patch can be sent through rmk's ARM patch tracker, but if it's
urgent, I could take it via my tree? It has Ard's Ack.

-- 
Kees Cook