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Message-ID: <20180712121040.GB16043@arm.com>
Date: Thu, 12 Jul 2018 13:10:40 +0100
From: Will Deacon <will.deacon@....com>
To: Kees Cook <keescook@...omium.org>
Cc: Laura Abbott <labbott@...hat.com>, Mark Rutland <mark.rutland@....com>,
Ard Biesheuvel <ard.biesheuvel@...aro.org>,
Kernel Hardening <kernel-hardening@...ts.openwall.com>,
LKML <linux-kernel@...r.kernel.org>,
linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
Alexander Popov <alex.popov@...ux.com>
Subject: Re: [PATCH] arm64: Clear the stack
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@...hat.com> 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
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