From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751732AbbB0GT6 (ORCPT ); Fri, 27 Feb 2015 01:19:58 -0500 Received: from mail-we0-f169.google.com ([74.125.82.169]:46645 "EHLO mail-we0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750799AbbB0GT4 (ORCPT ); Fri, 27 Feb 2015 01:19:56 -0500 Date: Fri, 27 Feb 2015 07:19:49 +0100 From: Ingo Molnar To: Kees Cook Cc: akpm@linux-foundation.org, Russell King , Catalin Marinas , Will Deacon , Ralf Baechle , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Martin Schwidefsky , Heiko Carstens , linux390@de.ibm.com, x86@kernel.org, Alexander Viro , Oleg Nesterov , Andy Lutomirski , "David A. Long" , Andrey Ryabinin , Arun Chandran , Yann Droneaud , Min-Hua Chen , Paul Burton , Alex Smith , Markos Chandras , Vineeth Vijayan , Jeff Bailey , Michael Holzheu , Ben Hutchings , Behan Webster , Ismael Ripoll , Hector Marco-Gisbert , Jan-Simon =?iso-8859-1?Q?M=F6ller?= , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mips@linux-mips.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH 0/5] split ET_DYN ASLR from mmap ASLR Message-ID: <20150227061949.GA25810@gmail.com> References: <1425006434-3106-1-git-send-email-keescook@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1425006434-3106-1-git-send-email-keescook@chromium.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Kees Cook wrote: > This separates ET_DYN ASLR from mmap ASLR, as already > done on s390. The various architectures that are already > randomizing mmap (arm, arm64, mips, powerpc, s390, and > x86), have their various forms of arch_mmap_rnd() made > available via the new CONFIG_ARCH_HAS_ELF_RANDOMIZE. For > these architectures, arch_randomize_brk() is collapsed as > well. > > This is an alternative to the solutions in: > https://lkml.org/lkml/2015/2/23/442 Nice! Acked-by: Ingo Molnar Thanks, Ingo