crash in cpuidle_enter_state with 5.7-rc1

[Michal Suchánek]

On Mon, Apr 20, 2020 at 08:50:30AM +0200, Michal Suchánek wrote:
> Hello,
> 
> On Mon, Apr 20, 2020 at 04:15:39PM +1000, Michael Ellerman wrote:
> > Michal Suchánek <msuchanek at suse.de> writes:
...
> > 
> > 
> > And I've just hit it with your config on a machine here, but the crash
> > is different:
> That does not look like it.
> You don't have this part in the stack trace:
> > [    1.234899] [c000000007597420] [0000000000000000] 0x0
> > [    1.234908] [c000000007597720] [0000000000000a6d] 0xa6d
> > [    1.234919] [c000000007597a20] [0000000000000000] 0x0
> > [    1.234931] [c000000007597d20] [0000000000000004] 0x4
> which is somewhat random but at least on such line is always present in
> the traces I get. Also I always get crash in cpuidle_enter_state
..
> > I'm going to guess it's STRICT_KERNEL_RWX that's at fault.
> I can try without that as well.
Can't reproduce without STRICT_KERNEL_RWX either.

Thanks

Michal