From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Carstens Subject: Re: [PATCH v2 00/29] vmlinux.lds.h: Refactor EXCEPTION_TABLE and NOTES Date: Wed, 16 Oct 2019 10:28:30 +0200 Message-ID: <20191016082830.GC4267@osiris> References: <20191011000609.29728-1-keescook@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20191011000609.29728-1-keescook@chromium.org> Sender: linux-kernel-owner@vger.kernel.org To: Kees Cook Cc: Borislav Petkov , Rick Edgecombe , Dave Hansen , Andy Lutomirski , Arnd Bergmann , Michael Ellerman , Will Deacon , linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michal Simek , linux-parisc@vger.kernel.org, linux-xtensa@linux-xtensa.org, x86@kernel.org, linux-kernel@vger.kernel.org List-Id: linux-arch.vger.kernel.org On Thu, Oct 10, 2019 at 05:05:40PM -0700, Kees Cook wrote: > Arch maintainers: please send Acks (if you haven't already) for your > respective linker script changes; the intention is for this series to > land via -tip. > > v1: https://lore.kernel.org/lkml/20190926175602.33098-1-keescook@chromium.org > v2: clean up commit messages, rename RO_EXCEPTION_TABLE (bp) > > > This series works to move the linker sections for NOTES and > EXCEPTION_TABLE into the RO_DATA area, where they belong on most > (all?) architectures. The problem being addressed was the discovery > by Rick Edgecombe that the exception table was accidentally marked > executable while he was developing his execute-only-memory series. When > permissions were flipped from readable-and-executable to only-executable, > the exception table became unreadable, causing things to explode rather > badly. :) Feel free to add Acked-by: Heiko Carstens to every patch in this series which touches s390. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:34430 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391631AbfJPI2o (ORCPT ); Wed, 16 Oct 2019 04:28:44 -0400 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x9G8RLQ5126410 for ; Wed, 16 Oct 2019 04:28:43 -0400 Received: from e06smtp04.uk.ibm.com (e06smtp04.uk.ibm.com [195.75.94.100]) by mx0a-001b2d01.pphosted.com with ESMTP id 2vnyevgprs-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 16 Oct 2019 04:28:43 -0400 Received: from localhost by e06smtp04.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 16 Oct 2019 09:28:40 +0100 Date: Wed, 16 Oct 2019 10:28:30 +0200 From: Heiko Carstens Subject: Re: [PATCH v2 00/29] vmlinux.lds.h: Refactor EXCEPTION_TABLE and NOTES References: <20191011000609.29728-1-keescook@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191011000609.29728-1-keescook@chromium.org> Message-ID: <20191016082830.GC4267@osiris> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Kees Cook Cc: Borislav Petkov , Rick Edgecombe , Dave Hansen , Andy Lutomirski , Arnd Bergmann , Michael Ellerman , Will Deacon , linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michal Simek , linux-parisc@vger.kernel.org, linux-xtensa@linux-xtensa.org, x86@kernel.org, linux-kernel@vger.kernel.org Message-ID: <20191016082830.DIFS6se62uhOscaFlDxuWif4CRZOlPzNvHF6M1WZSoU@z> On Thu, Oct 10, 2019 at 05:05:40PM -0700, Kees Cook wrote: > Arch maintainers: please send Acks (if you haven't already) for your > respective linker script changes; the intention is for this series to > land via -tip. > > v1: https://lore.kernel.org/lkml/20190926175602.33098-1-keescook@chromium.org > v2: clean up commit messages, rename RO_EXCEPTION_TABLE (bp) > > > This series works to move the linker sections for NOTES and > EXCEPTION_TABLE into the RO_DATA area, where they belong on most > (all?) architectures. The problem being addressed was the discovery > by Rick Edgecombe that the exception table was accidentally marked > executable while he was developing his execute-only-memory series. When > permissions were flipped from readable-and-executable to only-executable, > the exception table became unreadable, causing things to explode rather > badly. :) Feel free to add Acked-by: Heiko Carstens to every patch in this series which touches s390.