From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f72.google.com (mail-pa0-f72.google.com [209.85.220.72]) by kanga.kvack.org (Postfix) with ESMTP id D70E86B0038 for ; Tue, 6 Sep 2016 16:36:22 -0400 (EDT) Received: by mail-pa0-f72.google.com with SMTP id hi6so273772567pac.0 for ; Tue, 06 Sep 2016 13:36:22 -0700 (PDT) Received: from mga14.intel.com (mga14.intel.com. [192.55.52.115]) by mx.google.com with ESMTPS id j14si2269880pfk.232.2016.09.06.13.36.22 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 06 Sep 2016 13:36:22 -0700 (PDT) Subject: Re: [PATCH V3] mm: Add sysfs interface to dump each node's zonelist information References: <1473140072-24137-2-git-send-email-khandual@linux.vnet.ibm.com> <1473150666-3875-1-git-send-email-khandual@linux.vnet.ibm.com> From: Dave Hansen Message-ID: <57CF28C5.3090006@intel.com> Date: Tue, 6 Sep 2016 13:36:21 -0700 MIME-Version: 1.0 In-Reply-To: <1473150666-3875-1-git-send-email-khandual@linux.vnet.ibm.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Anshuman Khandual , linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: akpm@linux-foundation.org, Kees Cook On 09/06/2016 01:31 AM, Anshuman Khandual wrote: > [NODE (0)] > ZONELIST_FALLBACK > (0) (node 0) (zone DMA c00000000140c000) > (1) (node 1) (zone DMA c000000100000000) > (2) (node 2) (zone DMA c000000200000000) > (3) (node 3) (zone DMA c000000300000000) > ZONELIST_NOFALLBACK > (0) (node 0) (zone DMA c00000000140c000) Don't we have some prohibition on dumping out kernel addresses like this so that attackers can't trivially defeat kernel layout randomization? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org