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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id mp15sm3524928pjb.45.2020.06.23.18.49.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Jun 2020 18:49:46 -0700 (PDT) From: Kees Cook To: Will Deacon Subject: [PATCH v3 3/9] efi/libstub: Remove .note.gnu.property Date: Tue, 23 Jun 2020 18:49:34 -0700 Message-Id: <20200624014940.1204448-4-keescook@chromium.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200624014940.1204448-1-keescook@chromium.org> References: <20200624014940.1204448-1-keescook@chromium.org> MIME-Version: 1.0 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: Mark Rutland , linux-arch@vger.kernel.org, linux-efi@vger.kernel.org, Kees Cook , Arnd Bergmann , Catalin Marinas , Masahiro Yamada , x86@kernel.org, Nick Desaulniers , Russell King , linux-kernel@vger.kernel.org, Nathan Chancellor , clang-built-linux@googlegroups.com, Arvind Sankar , Ingo Molnar , James Morse , Thomas Gleixner , Borislav Petkov , Peter Collingbourne , Ard Biesheuvel , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In preparation for adding --orphan-handling=warn to more architectures, make sure unwanted sections don't end up appearing under the .init section prefix that libstub adds to itself during objcopy. Signed-off-by: Kees Cook --- drivers/firmware/efi/libstub/Makefile | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile index 75daaf20374e..9d2d2e784bca 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -66,6 +66,9 @@ lib-$(CONFIG_X86) += x86-stub.o CFLAGS_arm32-stub.o := -DTEXT_OFFSET=$(TEXT_OFFSET) CFLAGS_arm64-stub.o := -DTEXT_OFFSET=$(TEXT_OFFSET) +# Remove unwanted sections first. +STUBCOPY_FLAGS-y += --remove-section=.note.gnu.property + # # For x86, bootloaders like systemd-boot or grub-efi do not zero-initialize the # .bss section, so the .bss section of the EFI stub needs to be included in the -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel