Re: [PATCH v2 01/11] mm: Implement stack frame object validation

From: Andy Lutomirski
Date: Wed Jul 13 2016 - 18:02:01 EST

On Wed, Jul 13, 2016 at 2:55 PM, Kees Cook <keescook@xxxxxxxxxxxx> wrote:
> This creates per-architecture function arch_within_stack_frames() that
> should validate if a given object is contained by a kernel stack frame.
> Initial implementation is on x86.
> This is based on code from PaX.

This, along with Josh's livepatch work, are two examples of unwinders
that matter for correctness instead of just debugging. ISTM this
should just use Josh's code directly once it's been written.