From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92484C35E0C for ; Tue, 25 Feb 2020 17:40:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6CD842082F for ; Tue, 25 Feb 2020 17:40:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="AG/N+nAH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731281AbgBYRk1 (ORCPT ); Tue, 25 Feb 2020 12:40:27 -0500 Received: from mail-pj1-f74.google.com ([209.85.216.74]:59865 "EHLO mail-pj1-f74.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731254AbgBYRkU (ORCPT ); Tue, 25 Feb 2020 12:40:20 -0500 Received: by mail-pj1-f74.google.com with SMTP id z5so24917pjq.9 for ; Tue, 25 Feb 2020 09:40:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=S6rjWX4zh65J8qRPSZGN8zFIqvl385Xc8XQW3COWMIA=; b=AG/N+nAHceAaZJA2t3Ejlewnc800yTOYWW+XxDFlkHuEYsEQXM8laR8JPO6q9sZexT Qx9MR9PKuF1TFGK9rO4WrVGkhDFRUGBo3nTHm42lh1aY7DKUsRdqOVC006GRSybPTBpy CwdI4+LxD7e+4hZQ2qE/GwtlmXo1ZC8r/ZErTUuiCdp5rmFmAgH5PeFSBDiA+eNFZEE1 7vUfoZhf7+iQVtJY9b36r4K3TymVF9QDFXBobvvCwA1YLJK0qNYbbXNNu3MS1aQw9yMX I0P+8rGbiMpOXi6P0ZHT3Ij2kkgGsyVJDrLVC8dfHFUYAz5mItfFosYAxy/OwBsM9sCx TRAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=S6rjWX4zh65J8qRPSZGN8zFIqvl385Xc8XQW3COWMIA=; b=ttX8FfMUY1+Po29ta0WS7hSp0YpHxQpzZ4sEhhg7kGXpqwh96ExqMj4ohNa1ZzRvw+ 3H+zQtM/JsT69Gu9qj0XG58il0uPbI8n8P+LlaP6tBckSmyht9S8//qYcSx4/T4h16x4 n0x/01PxIk0H3mooetQW9t3dX77BZUOlGCAPbxtNLmtj3NuMH39H1gOjzz/jmI/PT4zv F00mXPUm6+HQ63NU1IEYTpzMWxRwO/P+dfxjQrf18Eu2Y5dAcfW7+IyyLxAZWIaqr9P5 IPeN12B5dhCaHq+Ltb6o78Wu++Ie+cK3b7F+u6bQ6QjTzmixSzzoNMXlsofA52yG0EfQ ccSg== X-Gm-Message-State: APjAAAVN8MBZknQq1mmyMsqYB1stW4dMb7vyMPuTHTkEBW31DgXAgBEa OhT0Pv8howDqKA2NVPafYTvTmQdCzAC6spg/E1w= X-Google-Smtp-Source: APXvYqxga1IezAaj/7lzDoz6ajYcBY13ZBQ7EtWObgAVtXX9jDsYBp8jjd+EWNf7mvFW/jyX4NCc+z3bne5DtOlbYaQ= X-Received: by 2002:a63:e044:: with SMTP id n4mr57741015pgj.338.1582652419605; Tue, 25 Feb 2020 09:40:19 -0800 (PST) Date: Tue, 25 Feb 2020 09:39:33 -0800 In-Reply-To: <20200225173933.74818-1-samitolvanen@google.com> Message-Id: <20200225173933.74818-13-samitolvanen@google.com> Mime-Version: 1.0 References: <20191018161033.261971-1-samitolvanen@google.com> <20200225173933.74818-1-samitolvanen@google.com> X-Mailer: git-send-email 2.25.0.265.gbab2e86ba0-goog Subject: [PATCH v9 12/12] efi/libstub: disable SCS From: Sami Tolvanen To: Will Deacon , Catalin Marinas , James Morse , Steven Rostedt , Masami Hiramatsu , Ard Biesheuvel , Mark Rutland Cc: Dave Martin , Kees Cook , Laura Abbott , Marc Zyngier , Nick Desaulniers , Jann Horn , Miguel Ojeda , Masahiro Yamada , clang-built-linux@googlegroups.com, kernel-hardening@lists.openwall.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Sami Tolvanen Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Shadow stacks are not available in the EFI stub, filter out SCS flags. Suggested-by: James Morse Signed-off-by: Sami Tolvanen --- 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 98a81576213d..ee5c37c401c9 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -30,6 +30,9 @@ KBUILD_CFLAGS := $(cflags-y) -DDISABLE_BRANCH_PROFILING \ $(call cc-option,-fno-stack-protector) \ -D__DISABLE_EXPORTS +# remove SCS flags from all objects in this directory +KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS)) + GCOV_PROFILE := n KASAN_SANITIZE := n UBSAN_SANITIZE := n -- 2.25.0.265.gbab2e86ba0-goog From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C9726C35E01 for ; 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Tue, 25 Feb 2020 09:40:19 -0800 (PST) Date: Tue, 25 Feb 2020 09:39:33 -0800 In-Reply-To: <20200225173933.74818-1-samitolvanen@google.com> Message-Id: <20200225173933.74818-13-samitolvanen@google.com> Mime-Version: 1.0 References: <20191018161033.261971-1-samitolvanen@google.com> <20200225173933.74818-1-samitolvanen@google.com> X-Mailer: git-send-email 2.25.0.265.gbab2e86ba0-goog Subject: [PATCH v9 12/12] efi/libstub: disable SCS From: Sami Tolvanen To: Will Deacon , Catalin Marinas , James Morse , Steven Rostedt , Masami Hiramatsu , Ard Biesheuvel , Mark Rutland X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200225_094021_360581_575D3231 X-CRM114-Status: UNSURE ( 9.34 ) X-CRM114-Notice: Please train this message. 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: Kees Cook , Jann Horn , Masahiro Yamada , Marc Zyngier , kernel-hardening@lists.openwall.com, Nick Desaulniers , linux-kernel@vger.kernel.org, Miguel Ojeda , clang-built-linux@googlegroups.com, Sami Tolvanen , Laura Abbott , Dave Martin , 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+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Shadow stacks are not available in the EFI stub, filter out SCS flags. Suggested-by: James Morse Signed-off-by: Sami Tolvanen --- 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 98a81576213d..ee5c37c401c9 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -30,6 +30,9 @@ KBUILD_CFLAGS := $(cflags-y) -DDISABLE_BRANCH_PROFILING \ $(call cc-option,-fno-stack-protector) \ -D__DISABLE_EXPORTS +# remove SCS flags from all objects in this directory +KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS)) + GCOV_PROFILE := n KASAN_SANITIZE := n UBSAN_SANITIZE := n -- 2.25.0.265.gbab2e86ba0-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DCC07C35E01 for ; Tue, 25 Feb 2020 17:42:09 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id 3AE2C2082F for ; Tue, 25 Feb 2020 17:42:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="AG/N+nAH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3AE2C2082F Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-17917-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 5373 invoked by uid 550); 25 Feb 2020 17:40:32 -0000 Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Received: (qmail 5298 invoked from network); 25 Feb 2020 17:40:31 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=S6rjWX4zh65J8qRPSZGN8zFIqvl385Xc8XQW3COWMIA=; b=AG/N+nAHceAaZJA2t3Ejlewnc800yTOYWW+XxDFlkHuEYsEQXM8laR8JPO6q9sZexT Qx9MR9PKuF1TFGK9rO4WrVGkhDFRUGBo3nTHm42lh1aY7DKUsRdqOVC006GRSybPTBpy CwdI4+LxD7e+4hZQ2qE/GwtlmXo1ZC8r/ZErTUuiCdp5rmFmAgH5PeFSBDiA+eNFZEE1 7vUfoZhf7+iQVtJY9b36r4K3TymVF9QDFXBobvvCwA1YLJK0qNYbbXNNu3MS1aQw9yMX I0P+8rGbiMpOXi6P0ZHT3Ij2kkgGsyVJDrLVC8dfHFUYAz5mItfFosYAxy/OwBsM9sCx TRAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=S6rjWX4zh65J8qRPSZGN8zFIqvl385Xc8XQW3COWMIA=; b=sGFev9YB671i79d8M36p7ZjTLKabgc8ZqXQZuONuYCYbKcWIJBJ8mIUJ/uQsTrjyp0 NAZ0ZdQhpuIBJb+io6ZxCB0FKl8+ZOFRdheCCxYeg/15sFRZAIYMLHb/NCGsX8BZGTFi nqV2l3fuHn9GERQ2KRW5aMSlU05Tl0tmEO0jS5fGWldscX2Rv8iEM5LvmNwFOq9M4Ope 0BvaAkB8VwfUg9wIgGk/R7WSJ2ZA7EepAHJMa+r+XFiBGbwiAKbc4ESY5r+0lKWP4LJ8 SUhLfjO9cjJ13bkveEK0eGAS0OTqK0NoEhKZy1cu2plRxlUTIaAmEIrwDNIKzIBtUXkj E/MQ== X-Gm-Message-State: APjAAAUCDpCiZRDeYEi1Mh7RAwbS3UI83WIRlY/WlWbc9kUnxw2dj4x8 Va7EkmWx8yhgEYkprZZNv512am8Qcp8Tn9pKcck= X-Google-Smtp-Source: APXvYqxga1IezAaj/7lzDoz6ajYcBY13ZBQ7EtWObgAVtXX9jDsYBp8jjd+EWNf7mvFW/jyX4NCc+z3bne5DtOlbYaQ= X-Received: by 2002:a63:e044:: with SMTP id n4mr57741015pgj.338.1582652419605; Tue, 25 Feb 2020 09:40:19 -0800 (PST) Date: Tue, 25 Feb 2020 09:39:33 -0800 In-Reply-To: <20200225173933.74818-1-samitolvanen@google.com> Message-Id: <20200225173933.74818-13-samitolvanen@google.com> Mime-Version: 1.0 References: <20191018161033.261971-1-samitolvanen@google.com> <20200225173933.74818-1-samitolvanen@google.com> X-Mailer: git-send-email 2.25.0.265.gbab2e86ba0-goog Subject: [PATCH v9 12/12] efi/libstub: disable SCS From: Sami Tolvanen To: Will Deacon , Catalin Marinas , James Morse , Steven Rostedt , Masami Hiramatsu , Ard Biesheuvel , Mark Rutland Cc: Dave Martin , Kees Cook , Laura Abbott , Marc Zyngier , Nick Desaulniers , Jann Horn , Miguel Ojeda , Masahiro Yamada , clang-built-linux@googlegroups.com, kernel-hardening@lists.openwall.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Sami Tolvanen Content-Type: text/plain; charset="UTF-8" Shadow stacks are not available in the EFI stub, filter out SCS flags. Suggested-by: James Morse Signed-off-by: Sami Tolvanen --- 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 98a81576213d..ee5c37c401c9 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -30,6 +30,9 @@ KBUILD_CFLAGS := $(cflags-y) -DDISABLE_BRANCH_PROFILING \ $(call cc-option,-fno-stack-protector) \ -D__DISABLE_EXPORTS +# remove SCS flags from all objects in this directory +KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS)) + GCOV_PROFILE := n KASAN_SANITIZE := n UBSAN_SANITIZE := n -- 2.25.0.265.gbab2e86ba0-goog