From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ed1-f72.google.com (mail-ed1-f72.google.com [209.85.208.72]) by kanga.kvack.org (Postfix) with ESMTP id AA61C6B000A for ; Wed, 3 Oct 2018 23:11:19 -0400 (EDT) Received: by mail-ed1-f72.google.com with SMTP id q29-v6so4616344edd.0 for ; Wed, 03 Oct 2018 20:11:19 -0700 (PDT) Received: from mx1.molgen.mpg.de (mx3.molgen.mpg.de. [141.14.17.11]) by mx.google.com with ESMTPS id l9-v6si1192297edi.372.2018.10.03.20.11.18 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 03 Oct 2018 20:11:18 -0700 (PDT) Subject: Re: x86/mm: Found insecure W+X mapping at address (ptrval)/0xc00a0000 References: <0922cc1b-ed51-06e9-df81-57fd5aa8e7de@molgen.mpg.de> <20181003212255.GB28361@zn.tnic> From: Paul Menzel Message-ID: <18bf13a4-2853-358e-594f-27533193757c@molgen.mpg.de> Date: Thu, 4 Oct 2018 05:11:17 +0200 MIME-Version: 1.0 In-Reply-To: <20181003212255.GB28361@zn.tnic> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Borislav Petkov , Thomas Gleixner Cc: linux-mm@kvack.org, x86@kernel.org, lkml Dear Borislav, Am 03.10.2018 um 23:22 schrieb Borislav Petkov: > On Fri, Sep 28, 2018 at 04:55:19PM +0200, Thomas Gleixner wrote: >> Sorry for the delay and thanks for the data. A quick diff did not reveal >> anything obvious. I'll have a closer look and we probably need more (other) >> information to nail that down. > > Just a brain dump of what I've found out so far. Thank you for looking into this. On what board are you able to reproduce this? Do you build for 32-bit or 64-bit? Kind regards, Paul