From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 27 Feb 2015 07:20:00 +0100 (CET) Received: from mail-we0-f182.google.com ([74.125.82.182]:41559 "EHLO mail-we0-f182.google.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S27006155AbbB0GT7QUZOT (ORCPT ); Fri, 27 Feb 2015 07:19:59 +0100 Received: by wevm14 with SMTP id m14so17520135wev.8; Thu, 26 Feb 2015 22:19:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; bh=1aLQfJbuN6xHhxPcEBptYZQzUBbS3OCl0noG3mDP9PY=; b=qR/swnnl+vcKsZIWRRV/i0wjhbcBRIYlO83Hg68Yte1lYw4xJ0NPYreQ0VNoVledTG EGEsYZGiJYWHKozB7JZ33aytMXHPKus8V6iBFa3lnVpINSgybu5bCe5Coj/H18C6Q6Ph kfmp0bBAXaGMh03Gqz2WS/irBUGw+EEdirn+bGgFRO56zbtQwJy5ndJBSFf92Q6YpwjS MBw7Pgn8RRP59/wWAWYeOFFOZA0Y/eccvfRT2lMx6Ln80OUCnUaRAOL49bEYPFxzg1Lx 2AKd1Hg8BANtVagGVKbtg02LzGVibikgkw+5OkcbckqP0XkqwsePHkWD13iOlPfnr6Sc kxHw== X-Received: by 10.180.39.203 with SMTP id r11mr3119781wik.67.1425017994464; Thu, 26 Feb 2015 22:19:54 -0800 (PST) Received: from gmail.com (540331C6.catv.pool.telekom.hu. [84.3.49.198]) by mx.google.com with ESMTPSA id l6sm4449110wjx.33.2015.02.26.22.19.51 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 26 Feb 2015 22:19:53 -0800 (PST) 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) Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 46039 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: mingo@kernel.org Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips * 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-we0-x22d.google.com (mail-we0-x22d.google.com [IPv6:2a00:1450:400c:c03::22d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 070B21A006F for ; Fri, 27 Feb 2015 17:20:00 +1100 (AEDT) Received: by wesp10 with SMTP id p10so15350278wes.12 for ; Thu, 26 Feb 2015 22:19:54 -0800 (PST) Sender: Ingo Molnar Date: Fri, 27 Feb 2015 07:19:49 +0100 From: Ingo Molnar To: Kees Cook 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 In-Reply-To: <1425006434-3106-1-git-send-email-keescook@chromium.org> Cc: linux-mips@linux-mips.org, Arun Chandran , Catalin Marinas , Heiko Carstens , linux-kernel@vger.kernel.org, Min-Hua Chen , Paul Mackerras , Ismael Ripoll , Yann Droneaud , linux-s390@vger.kernel.org, Russell King , Andrey Ryabinin , Behan Webster , x86@kernel.org, Hector Marco-Gisbert , "David A. Long" , Ben Hutchings , Will Deacon , linux-fsdevel@vger.kernel.org, Alex Smith , Michael Holzheu , linux-arm-kernel@lists.infradead.org, Jeff Bailey , Paul Burton , Oleg Nesterov , Ralf Baechle , Andy Lutomirski , Vineeth Vijayan , Markos Chandras , Jan-Simon =?iso-8859-1?Q?M=F6ller?= , Martin Schwidefsky , linux390@de.ibm.com, akpm@linux-foundation.org, linuxppc-dev@lists.ozlabs.org, Alexander Viro List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , * 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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: mingo@kernel.org (Ingo Molnar) Date: Fri, 27 Feb 2015 07:19:49 +0100 Subject: [PATCH 0/5] split ET_DYN ASLR from mmap ASLR In-Reply-To: <1425006434-3106-1-git-send-email-keescook@chromium.org> References: <1425006434-3106-1-git-send-email-keescook@chromium.org> Message-ID: <20150227061949.GA25810@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: [PATCH 0/5] split ET_DYN ASLR from mmap ASLR Date: Fri, 27 Feb 2015 07:19:49 +0100 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 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 To: Kees Cook Return-path: 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 Content-Disposition: inline In-Reply-To: <1425006434-3106-1-git-send-email-keescook@chromium.org> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: * 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