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Thu, 12 Aug 2021 05:09:27 -0700 (PDT) Received: from localhost.localdomain ([69.163.84.166]) by smtp.gmail.com with ESMTPSA id i11sm3204940pfo.29.2021.08.12.05.09.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Aug 2021 05:09:26 -0700 (PDT) From: Tim Gardner To: kernel-team@lists.ubuntu.com Subject: [PATCH 5/8] UBUNTU: SAUCE: ubuntu/sgx: hardening compiler options Date: Thu, 12 Aug 2021 06:09:10 -0600 Message-Id: <20210812120913.9316-6-tim.gardner@canonical.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210812120913.9316-1-tim.gardner@canonical.com> References: <20210812120913.9316-1-tim.gardner@canonical.com> MIME-Version: 1.0 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" BugLink: https://bugs.launchpad.net/bugs/1936240 https://github.com/intel/SGXDataCenterAttestationPrimitives 9086b3ef9b0760292cd2ffd70253a45bfcb37f26 Linux Driver: hardening compiler options Signed-off-by: Tim Gardner --- ubuntu/sgx/Makefile | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/ubuntu/sgx/Makefile b/ubuntu/sgx/Makefile index 763fd841cb209..4f7f513b8b7e1 100644 --- a/ubuntu/sgx/Makefile +++ b/ubuntu/sgx/Makefile @@ -29,8 +29,11 @@ default: else PWD := $(shell pwd) +EXTRA_CFLAGS += -I$(PWD) -I$(PWD)/include -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now +EXTRA_LDFLAGS := -z noexecstack + default: - $(MAKE) -C $(KDIR) M=$(PWD) CFLAGS_MODULE="-I$(PWD) -I$(PWD)/include $(EXTRA_CFLAGS)" modules + $(MAKE) -C $(KDIR) M=$(PWD) LDFLAGS_MODULE="$(EXTRA_LDFLAGS)" CFLAGS_MODULE="$(EXTRA_CFLAGS)" modules endif endif