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=-14.6 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, UNWANTED_LANGUAGE_BODY,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 95458C35E04 for ; Tue, 25 Feb 2020 17:40:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6EFCC2082F for ; Tue, 25 Feb 2020 17:40:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="Xi2ZbcU5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731201AbgBYRkP (ORCPT ); Tue, 25 Feb 2020 12:40:15 -0500 Received: from mail-pl1-f202.google.com ([209.85.214.202]:41086 "EHLO mail-pl1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731080AbgBYRkJ (ORCPT ); Tue, 25 Feb 2020 12:40:09 -0500 Received: by mail-pl1-f202.google.com with SMTP id p19so7891955plr.8 for ; Tue, 25 Feb 2020 09:40:09 -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=W8ajq15Euo0CBn6HLEY8Ur3IDCmQBKzronvmXuYJ1Wc=; b=Xi2ZbcU5w4xAMDBbk+3G0M7WhFEvev3QQQmayIYq12lXrXU0TZY00WT8V3tl6EBeFs 4YY+WNru1RHx9Rtv7WI7GU9OFbC0kpv1arYQcLbeOtalBIzT9bzfvmjebvYpIQYGN0iz ohwXof/jSEC3zwPA+NUbVqZJ7ozto76pl8Tl3GYn7Wj0oBFcPxmvhAMiLDwhWBcd/dtK oQCsutUGRHGUPUXm6ZqfV5QbrWXnb7sD4ecMMfiyZisuKFBUhFGQatODjW3Cdm3VhZZA ET4mX4w5o/xHxsjJresFyuImLMlTwnQvGNeTqx3ZIqe9K0l8H2+6zMTkYnV/LRZbxSrS sfyQ== 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=W8ajq15Euo0CBn6HLEY8Ur3IDCmQBKzronvmXuYJ1Wc=; b=c0x1EwHzYRFWFJMHVwtojG7Kv7HUL1OhuYL+W9jEYf21ocuup9Lm4x3bBgsU/L7ltJ RADGJbVjYm0/B+gjQvVL2EM0Fe3eBMkLTH+oI2Gzrqq298EpjujQ8yJubyFF2SEAVk3a baOIOovoE8xAtWC9Xh5Vy2/MDCK8AylstybKbwgkJ/Ob853XQiS49VtiKeurN7MQdoH8 qi2WwgIDT1BgBiBi98MHJsiJAcl83nQgJ5BC79Z6v5fUarAX6ZTV1tJzfiZid/8P/Lv3 wgL0UjqY5J7ZuRQ7qJWF7gdhJhT5LEaYDCz25L8aZGUXFo7MQkFAOLyi6l4+95hdeVFN DVhw== X-Gm-Message-State: APjAAAWW5nyNZlwkAI9/REL7ptcM4RZF6tBZEYNKCLGfavxYuq25bWwk D+ch28mLN5RKTpl0hBru4ADvNZSJf4xPP2PJ1NQ= X-Google-Smtp-Source: APXvYqwvqENHxbX/ovgpjf0ZVx0mLlUs8H8QzWYeq0EOjlcVEkkcC9/C+tlcnWHubokdElLT2kLplCW3jEbNjcX6X1w= X-Received: by 2002:a63:3207:: with SMTP id y7mr3943460pgy.344.1582652409047; Tue, 25 Feb 2020 09:40:09 -0800 (PST) Date: Tue, 25 Feb 2020 09:39:29 -0800 In-Reply-To: <20200225173933.74818-1-samitolvanen@google.com> Message-Id: <20200225173933.74818-9-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 08/12] arm64: vdso: disable Shadow Call Stack 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 only available in the kernel, so disable SCS instrumentation for the vDSO. Signed-off-by: Sami Tolvanen Reviewed-by: Nick Desaulniers Reviewed-by: Kees Cook Reviewed-by: Mark Rutland Acked-by: Will Deacon --- arch/arm64/kernel/vdso/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile index dd2514bb1511..a87a4f11724e 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -25,7 +25,7 @@ ccflags-y += -DDISABLE_BRANCH_PROFILING VDSO_LDFLAGS := -Bsymbolic -CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os +CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) KBUILD_CFLAGS += $(DISABLE_LTO) 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 BB7E6C35E0C for ; 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Tue, 25 Feb 2020 09:40:09 -0800 (PST) Date: Tue, 25 Feb 2020 09:39:29 -0800 In-Reply-To: <20200225173933.74818-1-samitolvanen@google.com> Message-Id: <20200225173933.74818-9-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 08/12] arm64: vdso: disable Shadow Call Stack 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_094012_696630_311E6F8A X-CRM114-Status: GOOD ( 10.75 ) 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 only available in the kernel, so disable SCS instrumentation for the vDSO. Signed-off-by: Sami Tolvanen Reviewed-by: Nick Desaulniers Reviewed-by: Kees Cook Reviewed-by: Mark Rutland Acked-by: Will Deacon --- arch/arm64/kernel/vdso/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile index dd2514bb1511..a87a4f11724e 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -25,7 +25,7 @@ ccflags-y += -DDISABLE_BRANCH_PROFILING VDSO_LDFLAGS := -Bsymbolic -CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os +CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) KBUILD_CFLAGS += $(DISABLE_LTO) 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=-14.6 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, UNWANTED_LANGUAGE_BODY,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 5F934C35E04 for ; Tue, 25 Feb 2020 17:41:24 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id B63A82084E for ; Tue, 25 Feb 2020 17:41:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="Xi2ZbcU5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B63A82084E 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-17913-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 3447 invoked by uid 550); 25 Feb 2020 17:40:22 -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 3339 invoked from network); 25 Feb 2020 17:40:21 -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=W8ajq15Euo0CBn6HLEY8Ur3IDCmQBKzronvmXuYJ1Wc=; b=Xi2ZbcU5w4xAMDBbk+3G0M7WhFEvev3QQQmayIYq12lXrXU0TZY00WT8V3tl6EBeFs 4YY+WNru1RHx9Rtv7WI7GU9OFbC0kpv1arYQcLbeOtalBIzT9bzfvmjebvYpIQYGN0iz ohwXof/jSEC3zwPA+NUbVqZJ7ozto76pl8Tl3GYn7Wj0oBFcPxmvhAMiLDwhWBcd/dtK oQCsutUGRHGUPUXm6ZqfV5QbrWXnb7sD4ecMMfiyZisuKFBUhFGQatODjW3Cdm3VhZZA ET4mX4w5o/xHxsjJresFyuImLMlTwnQvGNeTqx3ZIqe9K0l8H2+6zMTkYnV/LRZbxSrS sfyQ== 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=W8ajq15Euo0CBn6HLEY8Ur3IDCmQBKzronvmXuYJ1Wc=; b=NPA0xI+ZEbkTC5Ntwv+e/bQjELzEB88oLX2GkymyoQWGpBCAXzdfuOfeEisE4EBiUx Z9bzOPgSBcLQ1jcHtTjk9lmk26NLKfsod7MJE79UAMS/eNfFIGY/bFVXHYyhhiMwe73s 9mhgWFvSV9prdBEjA3ZttiK5LRbqqsqeku1kJohah2uUxpSsC2Tr2SShAfwFhZCjhnR5 rIUA6UM0XpX4zR7gj7zcpGLNq+rR8EgWIxOes4g8iv1z2YYx4cYgtBhtnPPCurg1Eh13 kini2T4tUfY27goHbrezzt3ztnTmhealqqZ7DXzu+kt5J+yWScK3UlboTMP7sNrePSTC R+Mw== X-Gm-Message-State: APjAAAXvYzkR29mrnMoR3awV6SyBr7TiA1uqlAbSvK6DiC67G8SlPvbb AWa80e9mvAOkWAtna0CrdH+RDRw6baDR40iJEL0= X-Google-Smtp-Source: APXvYqwvqENHxbX/ovgpjf0ZVx0mLlUs8H8QzWYeq0EOjlcVEkkcC9/C+tlcnWHubokdElLT2kLplCW3jEbNjcX6X1w= X-Received: by 2002:a63:3207:: with SMTP id y7mr3943460pgy.344.1582652409047; Tue, 25 Feb 2020 09:40:09 -0800 (PST) Date: Tue, 25 Feb 2020 09:39:29 -0800 In-Reply-To: <20200225173933.74818-1-samitolvanen@google.com> Message-Id: <20200225173933.74818-9-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 08/12] arm64: vdso: disable Shadow Call Stack 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 only available in the kernel, so disable SCS instrumentation for the vDSO. Signed-off-by: Sami Tolvanen Reviewed-by: Nick Desaulniers Reviewed-by: Kees Cook Reviewed-by: Mark Rutland Acked-by: Will Deacon --- arch/arm64/kernel/vdso/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile index dd2514bb1511..a87a4f11724e 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -25,7 +25,7 @@ ccflags-y += -DDISABLE_BRANCH_PROFILING VDSO_LDFLAGS := -Bsymbolic -CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os +CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) KBUILD_CFLAGS += $(DISABLE_LTO) KASAN_SANITIZE := n UBSAN_SANITIZE := n -- 2.25.0.265.gbab2e86ba0-goog