From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kees Cook Subject: Re: [PATCH v7 00/11] arm64: Branch Target Identification support Date: Wed, 26 Feb 2020 13:44:59 -0800 Message-ID: <202002261343.3B2ECE90@keescook> References: <20200226155714.43937-1-broonie@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-pg1-f196.google.com ([209.85.215.196]:41285 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727550AbgBZVpB (ORCPT ); Wed, 26 Feb 2020 16:45:01 -0500 Received: by mail-pg1-f196.google.com with SMTP id b1so299055pgm.8 for ; Wed, 26 Feb 2020 13:45:01 -0800 (PST) Content-Disposition: inline In-Reply-To: <20200226155714.43937-1-broonie@kernel.org> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Mark Brown Cc: Catalin Marinas , Will Deacon , Alexander Viro , Paul Elliott , Peter Zijlstra , Yu-cheng Yu , Amit Kachhap , Vincenzo Frascino , Marc Zyngier , Eugene Syromiatnikov , Szabolcs Nagy , "H . J . Lu " , Andrew Jones , Arnd Bergmann , Jann Horn , Richard Henderson , Kristina =?utf-8?Q?Mart=C5=A1enko?= , Thomas Gleixner , Florian Weimer , Sudak On Wed, Feb 26, 2020 at 03:57:03PM +0000, Mark Brown wrote: > This patch series implements support for ARMv8.5-A Branch Target > Identification (BTI), which is a control flow integrity protection > feature introduced as part of the ARMv8.5-A extensions. > > Changes: > > v7: > - Rebase onto v5.6-rc3. > - Move comment about keeping NT_GNU_PROPERTY_TYPE_0 internal into first > patch. > - Add an explicit check for system_supports_bti() when parsing BTI ELF > property for improved robustness. Looks good. I sent a few more Reviewed-bys where I could. Who is expected to pick this up? Catalin? Will? I'm excited to have both the ELF parser and BTI landed. :) -Kees -- Kees Cook From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg1-f196.google.com ([209.85.215.196]:41285 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727550AbgBZVpB (ORCPT ); Wed, 26 Feb 2020 16:45:01 -0500 Received: by mail-pg1-f196.google.com with SMTP id b1so299055pgm.8 for ; Wed, 26 Feb 2020 13:45:01 -0800 (PST) Date: Wed, 26 Feb 2020 13:44:59 -0800 From: Kees Cook Subject: Re: [PATCH v7 00/11] arm64: Branch Target Identification support Message-ID: <202002261343.3B2ECE90@keescook> References: <20200226155714.43937-1-broonie@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200226155714.43937-1-broonie@kernel.org> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Mark Brown Cc: Catalin Marinas , Will Deacon , Alexander Viro , Paul Elliott , Peter Zijlstra , Yu-cheng Yu , Amit Kachhap , Vincenzo Frascino , Marc Zyngier , Eugene Syromiatnikov , Szabolcs Nagy , "H . J . Lu " , Andrew Jones , Arnd Bergmann , Jann Horn , Richard Henderson , Kristina =?utf-8?Q?Mart=C5=A1enko?= , Thomas Gleixner , Florian Weimer , Sudakshina Das , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-fsdevel@vger.kernel.org Message-ID: <20200226214459.2dpq2rZ63lPjGra9LdX07QjBsx93kgYRXAhTQUj-ZXE@z> On Wed, Feb 26, 2020 at 03:57:03PM +0000, Mark Brown wrote: > This patch series implements support for ARMv8.5-A Branch Target > Identification (BTI), which is a control flow integrity protection > feature introduced as part of the ARMv8.5-A extensions. > > Changes: > > v7: > - Rebase onto v5.6-rc3. > - Move comment about keeping NT_GNU_PROPERTY_TYPE_0 internal into first > patch. > - Add an explicit check for system_supports_bti() when parsing BTI ELF > property for improved robustness. Looks good. I sent a few more Reviewed-bys where I could. Who is expected to pick this up? Catalin? Will? I'm excited to have both the ELF parser and BTI landed. :) -Kees -- Kees Cook