From patchwork Fri Oct 18 16:10:30 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sami Tolvanen X-Patchwork-Id: 11199087 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B639514E5 for ; Fri, 18 Oct 2019 16:15:32 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 943FE21D7C for ; Fri, 18 Oct 2019 16:15:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="gWTw1ej4"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=google.com header.i=@google.com header.b="MU3xv8yS" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 943FE21D7C Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:From:Subject:References:Mime-Version :Message-Id:In-Reply-To:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Bcu04wbcdd7y38jDq1fbMzRd0GHWEsGWwKxvEnxyoAk=; b=gWTw1ej49pSg6H dBCreHW5aWkT3/eBC38ZbpBBiLp/HXQpaWnGAHT+6wxsY8AwFZ3N1OR5N+xQrpRwGI5T5fatcTu+8 s425GIfhb1LcacwbVf8ZGBgdk2tTObWFBlb16Clk+q4tT1yeKaKEe06EPrv6GXQdrYcaLDTir9V05 /9sJGzzz0UOxbZ1UKe3Q6mGv1k4QCWPC6ESYzNhsPu62fMnOs5tBWRLjNVKoYftxEqGG5UMOX5lCl hgrsCKSSnIrAvDKaOwPMqVAE/uZfjwhx7eEDCbLSFOKs2K1jIgjzhIypS4Y1S5LTRba1efx7Gw8aR I0UbDVm6681IiaIuR1Rg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iLUuZ-00077G-Pe; Fri, 18 Oct 2019 16:15:31 +0000 Received: from mail-pg1-x54a.google.com ([2607:f8b0:4864:20::54a]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iLUqe-000265-Of for linux-arm-kernel@lists.infradead.org; Fri, 18 Oct 2019 16:11:30 +0000 Received: by mail-pg1-x54a.google.com with SMTP id u4so4565401pgp.23 for ; Fri, 18 Oct 2019 09:11:28 -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=kAZH5b29Q7ARe7ApEbNubNt6T6v1C763yQTiGjc3PQk=; b=MU3xv8ySUWa8q2gpjX+qFLOwCKhVBxOWHnEJ3R9sBKpRssnEcrJMlv2k41DcBabefp YGOIRyOHtuLqhQjP/H6UeJPJ31HbWh9EpsVg0P4HVVdbNapzd4whA6CQO0jcE6HFqrZI pgFlyp8aklTxhdiWcaDBLc5CpmFKJZswMRP/d6udWasrZrb61oeIxbFInJG3ZOTF4sVk 8JrRWRNQEQR/efYLvQF070upFjEKFVFMcnO8HN9mWGmqJ5+afIdNL+vr/Zp/pbDcSsCQ e4yhuM2R8kT/imgzLMvhUd7v/AWzMuvSo0KChcal0UxqcYxBSXGTsqlDEDweUlIG3qti 24Vg== 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=kAZH5b29Q7ARe7ApEbNubNt6T6v1C763yQTiGjc3PQk=; b=LnK+xEzkskfann2/ObzCqfpCG+jzyaVd6/ZQtB/UYdQGcE6UGOr0jy/3h7mXW722oR yWtIgeSAdwzR7M68Hs3ljPcr6Gkj3BD7v5zT8HzKOjS1QUBDy0pV+OueXY70GsVkLNNr AMZ0y3CoFTjBW0o8a2KGpCEWvphlDbEL4FSN1wK5jludjgNXaPAjXcpHFNuUpPnlx3MH veng/v9m5PRrrlCpuTnZNa7u8AdSZpQOk2ngEvujgql4nIcb41+izJVHuzYByBzzJDwz 80yjbYGsi3LO7slI7XsbmrGdOquuBZ87RlSjXkmw43AeLjhRwPDCbdQ5KMYmWbx9/J24 Xpug== X-Gm-Message-State: APjAAAV9fTlzPmqQw/De6sGWjTZxPZJQBZogcxd/xrVUAhKmzLdw0Q5/ w4FZhM10vW7+tvaa/x6gl78Q3vXnxPvKrwivQCU= X-Google-Smtp-Source: APXvYqxrZ7wEgagooCPTAQmdCRYdis4uNkIIYm64oppMcYVDpcyhHuDu43I31sdZRydHODqHUlaqbmkndVluNi8asAA= X-Received: by 2002:a63:ff08:: with SMTP id k8mr10900425pgi.8.1571415087691; Fri, 18 Oct 2019 09:11:27 -0700 (PDT) Date: Fri, 18 Oct 2019 09:10:30 -0700 In-Reply-To: <20191018161033.261971-1-samitolvanen@google.com> Message-Id: <20191018161033.261971-16-samitolvanen@google.com> Mime-Version: 1.0 References: <20191018161033.261971-1-samitolvanen@google.com> X-Mailer: git-send-email 2.23.0.866.gb869b98d4c-goog Subject: [PATCH 15/18] arm64: vdso: disable Shadow Call Stack From: Sami Tolvanen To: Will Deacon , Catalin Marinas , Steven Rostedt , Ard Biesheuvel X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191018_091129_018429_A8C3E7D7 X-CRM114-Status: UNSURE ( 9.79 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -7.7 (-------) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-7.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:54a listed in] [list.dnswl.org] -7.5 USER_IN_DEF_DKIM_WL From: address is in the default DKIM white-list 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.0 DKIMWL_WL_MED DKIMwl.org - Medium sender 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 , Kees Cook , kernel-hardening@lists.openwall.com, Nick Desaulniers , linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, Sami Tolvanen , Laura Abbott , Dave Martin , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Signed-off-by: Sami Tolvanen --- 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..b23c963dd8df 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -19,7 +19,7 @@ obj-vdso := $(addprefix $(obj)/, $(obj-vdso)) ldflags-y := -shared -nostdlib -soname=linux-vdso.so.1 --hash-style=sysv \ --build-id -n -T - +ccflags-y += $(DISABLE_SCS) ccflags-y := -fno-common -fno-builtin -fno-stack-protector -ffixed-x18 ccflags-y += -DDISABLE_BRANCH_PROFILING