From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935567AbcHBRKL (ORCPT ); Tue, 2 Aug 2016 13:10:11 -0400 Received: from mail-yw0-f178.google.com ([209.85.161.178]:34549 "EHLO mail-yw0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934622AbcHBRJ5 (ORCPT ); Tue, 2 Aug 2016 13:09:57 -0400 MIME-Version: 1.0 In-Reply-To: <476DC76E7D1DF2438D32BFADF679FC5601276FB4@ORSMSX103.amr.corp.intel.com> References: <1469557346-5534-1-git-send-email-william.c.roberts@intel.com> <1469557346-5534-2-git-send-email-william.c.roberts@intel.com> <20160726200309.GJ4541@io.lakedaemon.net> <476DC76E7D1DF2438D32BFADF679FC560125F29C@ORSMSX103.amr.corp.intel.com> <20160726205944.GM4541@io.lakedaemon.net> <476DC76E7D1DF2438D32BFADF679FC5601276FB4@ORSMSX103.amr.corp.intel.com> From: Nick Kralevich Date: Tue, 2 Aug 2016 10:02:49 -0700 Message-ID: Subject: Re: [PATCH] [RFC] Introduce mmap randomization To: "Roberts, William C" Cc: Jason Cooper , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , "kernel-hardening@lists.openwall.com" , "akpm@linux-foundation.org" , "keescook@chromium.org" , "gregkh@linuxfoundation.org" , "jeffv@google.com" , "salyzyn@android.com" , "dcashman@android.com" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 2, 2016 at 9:57 AM, Roberts, William C wrote: > @nnk, disabling ASLR via set_arch() on Android, is that only for 32 bit address spaces where > you had that problem? Yes. Only 32 bit address spaces had the fragmentation problem. -- Nick Kralevich | Android Security | nnk@google.com | 650.214.4037 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f200.google.com (mail-qt0-f200.google.com [209.85.216.200]) by kanga.kvack.org (Postfix) with ESMTP id DD4166B0005 for ; Tue, 2 Aug 2016 13:02:51 -0400 (EDT) Received: by mail-qt0-f200.google.com with SMTP id i27so313513542qte.3 for ; Tue, 02 Aug 2016 10:02:51 -0700 (PDT) Received: from mail-yw0-x22e.google.com (mail-yw0-x22e.google.com. [2607:f8b0:4002:c05::22e]) by mx.google.com with ESMTPS id s7si2043063qtc.72.2016.08.02.10.02.51 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 02 Aug 2016 10:02:51 -0700 (PDT) Received: by mail-yw0-x22e.google.com with SMTP id z8so203892581ywa.1 for ; Tue, 02 Aug 2016 10:02:51 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <476DC76E7D1DF2438D32BFADF679FC5601276FB4@ORSMSX103.amr.corp.intel.com> References: <1469557346-5534-1-git-send-email-william.c.roberts@intel.com> <1469557346-5534-2-git-send-email-william.c.roberts@intel.com> <20160726200309.GJ4541@io.lakedaemon.net> <476DC76E7D1DF2438D32BFADF679FC560125F29C@ORSMSX103.amr.corp.intel.com> <20160726205944.GM4541@io.lakedaemon.net> <476DC76E7D1DF2438D32BFADF679FC5601276FB4@ORSMSX103.amr.corp.intel.com> From: Nick Kralevich Date: Tue, 2 Aug 2016 10:02:49 -0700 Message-ID: Subject: Re: [PATCH] [RFC] Introduce mmap randomization Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: "Roberts, William C" Cc: Jason Cooper , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , "kernel-hardening@lists.openwall.com" , "akpm@linux-foundation.org" , "keescook@chromium.org" , "gregkh@linuxfoundation.org" , "jeffv@google.com" , "salyzyn@android.com" , "dcashman@android.com" On Tue, Aug 2, 2016 at 9:57 AM, Roberts, William C wrote: > @nnk, disabling ASLR via set_arch() on Android, is that only for 32 bit address spaces where > you had that problem? Yes. Only 32 bit address spaces had the fragmentation problem. -- Nick Kralevich | Android Security | nnk@google.com | 650.214.4037 -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Reply-To: kernel-hardening@lists.openwall.com MIME-Version: 1.0 In-Reply-To: <476DC76E7D1DF2438D32BFADF679FC5601276FB4@ORSMSX103.amr.corp.intel.com> References: <1469557346-5534-1-git-send-email-william.c.roberts@intel.com> <1469557346-5534-2-git-send-email-william.c.roberts@intel.com> <20160726200309.GJ4541@io.lakedaemon.net> <476DC76E7D1DF2438D32BFADF679FC560125F29C@ORSMSX103.amr.corp.intel.com> <20160726205944.GM4541@io.lakedaemon.net> <476DC76E7D1DF2438D32BFADF679FC5601276FB4@ORSMSX103.amr.corp.intel.com> From: Nick Kralevich Date: Tue, 2 Aug 2016 10:02:49 -0700 Message-ID: Content-Type: text/plain; charset=UTF-8 Subject: [kernel-hardening] Re: [PATCH] [RFC] Introduce mmap randomization To: "Roberts, William C" Cc: Jason Cooper , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , "kernel-hardening@lists.openwall.com" , "akpm@linux-foundation.org" , "keescook@chromium.org" , "gregkh@linuxfoundation.org" , "jeffv@google.com" , "salyzyn@android.com" , "dcashman@android.com" List-ID: On Tue, Aug 2, 2016 at 9:57 AM, Roberts, William C wrote: > @nnk, disabling ASLR via set_arch() on Android, is that only for 32 bit address spaces where > you had that problem? Yes. Only 32 bit address spaces had the fragmentation problem. -- Nick Kralevich | Android Security | nnk@google.com | 650.214.4037