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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id o22sm898504pgj.58.2020.02.25.21.47.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Feb 2020 21:47:33 -0800 (PST) Date: Tue, 25 Feb 2020 21:47:32 -0800 From: Kees Cook To: Mark Brown Subject: Re: [PATCH v6 05/11] arm64: elf: Enable BTI at exec based on ELF program properties Message-ID: <202002252146.7230873E@keescook> References: <20200212192906.53366-1-broonie@kernel.org> <20200212192906.53366-6-broonie@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200212192906.53366-6-broonie@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200225_214735_772256_96388CD3 X-CRM114-Status: GOOD ( 12.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paul Elliott , Peter Zijlstra , Catalin Marinas , Andrew Jones , Amit Kachhap , Vincenzo Frascino , Will Deacon , linux-arch@vger.kernel.org, Marc Zyngier , Eugene Syromiatnikov , Szabolcs Nagy , Dave Martin , "H . J . Lu " , Yu-cheng Yu , Arnd Bergmann , Jann Horn , Richard Henderson , Kristina =?utf-8?Q?Mart=C5=A1enko?= , Alexander Viro , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Florian Weimer , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Sudakshina Das Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Feb 12, 2020 at 07:29:00PM +0000, Mark Brown wrote: > diff --git a/include/linux/elf.h b/include/linux/elf.h > index 1b6e8955c597..5d5b0321da0b 100644 > --- a/include/linux/elf.h > +++ b/include/linux/elf.h > @@ -63,7 +63,11 @@ extern int elf_coredump_extra_notes_size(void); > extern int elf_coredump_extra_notes_write(struct coredump_params *cprm); > #endif > > -/* NT_GNU_PROPERTY_TYPE_0 header */ > +/* > + * NT_GNU_PROPERTY_TYPE_0 header: > + * Keep this internal until/unless there is an agreed UAPI definition. > + * pr_type values (GNU_PROPERTY_*) are public and defined in the UAPI header. > + */ > struct gnu_property { > u32 pr_type; > u32 pr_datasz; I think this hunk should be in patch 1. -- Kees Cook _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel