Re: [PATCH] arm64: Clear the stack

From: Will Deacon
Date: Thu Jul 12 2018 - 08:10:01 EST


On Wed, Jul 11, 2018 at 05:05:32PM -0700, Kees Cook wrote:
> On Fri, Jun 29, 2018 at 12:05 PM, Laura Abbott <labbott@xxxxxxxxxx> wrote:
> > include/linux/stackleak.h | 1 +
> > [...]
> > diff --git a/include/linux/stackleak.h b/include/linux/stackleak.h
> > index e2da99b3a191..00d62b302efb 100644
> > --- a/include/linux/stackleak.h
> > +++ b/include/linux/stackleak.h
> > @@ -5,6 +5,7 @@
> > #include <linux/sched.h>
> > #include <linux/sched/task_stack.h>
> >
> > +#include <asm/stacktrace.h>
> > /*
> > * Check that the poison value points to the unused hole in the
> > * virtual memory map for your platform.
>
> FYI, I squashed this change into my copy of the stackleak v14 series.
> (And I just sent this arm64 patch with the adjustments for it to be
> stand-alone.)

I can't find that -- can you point me to it, please?

Will