From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E28DC43A1D for ; Thu, 12 Jul 2018 12:10:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C2E0520BEC for ; Thu, 12 Jul 2018 12:10:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C2E0520BEC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727181AbeGLMTP (ORCPT ); Thu, 12 Jul 2018 08:19:15 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:50322 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726580AbeGLMTP (ORCPT ); Thu, 12 Jul 2018 08:19:15 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 75363ED1; Thu, 12 Jul 2018 05:09:58 -0700 (PDT) Received: from edgewater-inn.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 4762A3F5B1; Thu, 12 Jul 2018 05:09:58 -0700 (PDT) Received: by edgewater-inn.cambridge.arm.com (Postfix, from userid 1000) id 9D3491AE53FB; Thu, 12 Jul 2018 13:10:40 +0100 (BST) Date: Thu, 12 Jul 2018 13:10:40 +0100 From: Will Deacon To: Kees Cook Cc: Laura Abbott , Mark Rutland , Ard Biesheuvel , Kernel Hardening , LKML , linux-arm-kernel , Alexander Popov Subject: Re: [PATCH] arm64: Clear the stack Message-ID: <20180712121040.GB16043@arm.com> References: <20180629190553.7282-1-labbott@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 11, 2018 at 05:05:32PM -0700, Kees Cook wrote: > On Fri, Jun 29, 2018 at 12:05 PM, Laura Abbott 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 > > #include > > > > +#include > > /* > > * 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