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 61F3AC2BA17 for ; Mon, 6 Apr 2020 16:42:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 39DB72496E for ; Mon, 6 Apr 2020 16:42:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="H7r9/K1P" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729664AbgDFQmA (ORCPT ); Mon, 6 Apr 2020 12:42:00 -0400 Received: from mail-pf1-f202.google.com ([209.85.210.202]:45223 "EHLO mail-pf1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729529AbgDFQl7 (ORCPT ); Mon, 6 Apr 2020 12:41:59 -0400 Received: by mail-pf1-f202.google.com with SMTP id d8so44645pfd.12 for ; Mon, 06 Apr 2020 09:41:57 -0700 (PDT) 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=4apKHH+0KXGOaGE6jTeN52LWOcENawq8hrV28HQBrcA=; b=H7r9/K1Pb2jZ/QTf4eps8FXgNOwBjIplJ83GvJcB7p53k1kwhM1xPQxZLkgvAaK02n beraESPrDeb3MtB6jvklmi+/vUcZS4mHBB1OCRD//Yx8vijzVcAIERr2dp1g0QDMqGEH /HT1yD1mZDPSkJulcCDMMrG5W512OIw+DI+B5TIlQrfESZv1YUtu4bFOI7koPSLqre4V 1GvXHs5lxJf7sNgG/FH6hL3WB2A8MbOLzhIcXcIuTXJy/+sRweQg+5SqJEi4k7ntmLnb VpUd6/DJobY+aRGS+iUjHZ3if6GvDWbplbrX5is0cinNOSMDE2y/gYC1eTqNbsHLdzRj P8oQ== 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=4apKHH+0KXGOaGE6jTeN52LWOcENawq8hrV28HQBrcA=; b=oEHtoO0MNe9Q9T5b6PDh0Ag4TKH9Fu3cA1NO/MqOpkxDayMVAdkssXw+kFv4ctYjZt Vi3ifZpvMFuWqN6OUe3OOKF8M2nZqTwkTxakZ8K7/mWGxmoVCCdJL9qxhsv9EmhVJzfw g29TXVPWHZiXW8aw81C3TdeoX+ITxOS/bR61+rHIKdT11BCdrEUWEk1iu5UtqLHiDnpo MPCjR+kqnDC/RjsAkaKsSLqsXqlgxUjWYgXv0k0yWdZjjeRtFyGpTlBvfHHorQbZY9Ka pLEMjyWJNKpWAKWAQyx7//41JBhDBKWyCF2mfbD+ox9DLmM7r3VRHrdjFB2oNpdOuxXc 3Skw== X-Gm-Message-State: AGi0Pub4XZ4NbiNPlKt1o/pTW2GKfrMlq9oLDdbzdegZPUjCMTCyQxBn e5K0lUQEEuEOplqvD7hLDjl7DkLtoti988L5e18= X-Google-Smtp-Source: APiQypK5eLQJG4otrid1fZuEbwfLIfGLtaeCQl5ykKUwyTbJ+T2+3uqzOPYi+Sh8FFR75wCHX7LWfP4FZsjp9J54Zb4= X-Received: by 2002:a63:9043:: with SMTP id a64mr22525247pge.308.1586191316557; Mon, 06 Apr 2020 09:41:56 -0700 (PDT) Date: Mon, 6 Apr 2020 09:41:17 -0700 In-Reply-To: <20200406164121.154322-1-samitolvanen@google.com> Message-Id: <20200406164121.154322-9-samitolvanen@google.com> Mime-Version: 1.0 References: <20191018161033.261971-1-samitolvanen@google.com> <20200406164121.154322-1-samitolvanen@google.com> X-Mailer: git-send-email 2.26.0.292.g33ef6b2f38-goog Subject: [PATCH v10 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 -- 2.26.0.292.g33ef6b2f38-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=-9.9 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 35D9FC2BA1E for ; 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Mon, 06 Apr 2020 09:41:56 -0700 (PDT) Date: Mon, 6 Apr 2020 09:41:17 -0700 In-Reply-To: <20200406164121.154322-1-samitolvanen@google.com> Message-Id: <20200406164121.154322-9-samitolvanen@google.com> Mime-Version: 1.0 References: <20191018161033.261971-1-samitolvanen@google.com> <20200406164121.154322-1-samitolvanen@google.com> X-Mailer: git-send-email 2.26.0.292.g33ef6b2f38-goog Subject: [PATCH v10 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-20200406_094158_219120_29AC692E X-CRM114-Status: GOOD ( 10.09 ) 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 -- 2.26.0.292.g33ef6b2f38-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 DE470C2BA80 for ; Mon, 6 Apr 2020 16:43:17 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id 39D4324995 for ; Mon, 6 Apr 2020 16:43:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="H7r9/K1P" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 39D4324995 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-18438-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 26461 invoked by uid 550); 6 Apr 2020 16:42:09 -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 26392 invoked from network); 6 Apr 2020 16:42:08 -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=4apKHH+0KXGOaGE6jTeN52LWOcENawq8hrV28HQBrcA=; b=H7r9/K1Pb2jZ/QTf4eps8FXgNOwBjIplJ83GvJcB7p53k1kwhM1xPQxZLkgvAaK02n beraESPrDeb3MtB6jvklmi+/vUcZS4mHBB1OCRD//Yx8vijzVcAIERr2dp1g0QDMqGEH /HT1yD1mZDPSkJulcCDMMrG5W512OIw+DI+B5TIlQrfESZv1YUtu4bFOI7koPSLqre4V 1GvXHs5lxJf7sNgG/FH6hL3WB2A8MbOLzhIcXcIuTXJy/+sRweQg+5SqJEi4k7ntmLnb VpUd6/DJobY+aRGS+iUjHZ3if6GvDWbplbrX5is0cinNOSMDE2y/gYC1eTqNbsHLdzRj P8oQ== 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=4apKHH+0KXGOaGE6jTeN52LWOcENawq8hrV28HQBrcA=; b=SySP/e/gvOd2n9UbOV0bZ2MhKlPle3XSXqwBMamb1Ck1imHOSLazlM2NokYPagTZBA rc//20oXQsMMzmek4X4ys63GJ/Q/G75AXiWGCofOTAGMFEIYc5/FK2EQVoV7JopPdaoI /RkiJ6lMKwk/uSHeZ1lkVeUKyUeMJxhZmI+kRLx0FfGnVrHEBjnwRQ5u0RqybfbdLtvw 8uGVgVzM5jkC2BU/26PETJDccr8+aw+lFJrzwVjTtpLrBT4Uha5j889AT5ArEX9J61NK 5k0uCPCa0jIB2LDzYUF5+Af1bAxhjH4bKdYOcqTrKVVIfSeDiuIygioFRJBYxPyk53QW UpeA== X-Gm-Message-State: AGi0PuZzDWdor9dNzRTBz656YJk22/6oIcBA2Io1yKgKUBki2Ta2B1As bXdgofcVXILV9lzACR22sD+jU+/rOCfP4iZrESw= X-Google-Smtp-Source: APiQypK5eLQJG4otrid1fZuEbwfLIfGLtaeCQl5ykKUwyTbJ+T2+3uqzOPYi+Sh8FFR75wCHX7LWfP4FZsjp9J54Zb4= X-Received: by 2002:a63:9043:: with SMTP id a64mr22525247pge.308.1586191316557; Mon, 06 Apr 2020 09:41:56 -0700 (PDT) Date: Mon, 6 Apr 2020 09:41:17 -0700 In-Reply-To: <20200406164121.154322-1-samitolvanen@google.com> Message-Id: <20200406164121.154322-9-samitolvanen@google.com> Mime-Version: 1.0 References: <20191018161033.261971-1-samitolvanen@google.com> <20200406164121.154322-1-samitolvanen@google.com> X-Mailer: git-send-email 2.26.0.292.g33ef6b2f38-goog Subject: [PATCH v10 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 -- 2.26.0.292.g33ef6b2f38-goog