Re: [PATCH v3 00/13] Virtually mapped stacks with guard pages (x86, core)

Linus Torvalds
2016-06-24T17:51:37Z

On Fri, Jun 24, 2016 at 10:40 AM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> I think I have a few new places to look at..

Yeah, making the 'stack' pointer be 'unsigned long *' rather than
'void *' shows a number of places where we were very confused about
things.

And in particular, the init_task stack initialization initialized it
to the init_thread pointer. Which was definitely deadly.

Let's see if that was it..

Linus