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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,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 3ECDCC433DB for ; Wed, 10 Mar 2021 22:05:48 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id BD9A664FCD for ; Wed, 10 Mar 2021 22:05:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BD9A664FCD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 4EA2F8D0236; Wed, 10 Mar 2021 17:05:47 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 4BFFC8D0233; Wed, 10 Mar 2021 17:05:47 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3877C8D0236; Wed, 10 Mar 2021 17:05:47 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0025.hostedemail.com [216.40.44.25]) by kanga.kvack.org (Postfix) with ESMTP id 1C89C8D0233 for ; Wed, 10 Mar 2021 17:05:47 -0500 (EST) Received: from smtpin19.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id C4E22180ACF6C for ; Wed, 10 Mar 2021 22:05:46 +0000 (UTC) X-FDA: 77905347492.19.149E9F1 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by imf02.hostedemail.com (Postfix) with ESMTP id BEF72407F8FF for ; Wed, 10 Mar 2021 22:05:37 +0000 (UTC) IronPort-SDR: EVUxHYyrmeD+1dPsRDgeQ0DKiQE4hWUTCio1lyAtZSNjirVjwYV8fN/xTZBZtSABj4nW7DHIuc 8KZzWySM3pUA== X-IronPort-AV: E=McAfee;i="6000,8403,9919"; a="208385056" X-IronPort-AV: E=Sophos;i="5.81,238,1610438400"; d="scan'208";a="208385056" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Mar 2021 14:05:44 -0800 IronPort-SDR: oTpgMha/lK6Us+RPckMTufD9ZWBEGfd5LJzZ+dn7arzRETtdXULJr3gzUzBdHvh47nKEz0r3SN xLGY7HAejfTA== X-IronPort-AV: E=Sophos;i="5.81,238,1610438400"; d="scan'208";a="410368489" Received: from yyu32-desk.sc.intel.com ([143.183.136.146]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Mar 2021 14:05:43 -0800 From: Yu-cheng Yu To: x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann , Andy Lutomirski , Balbir Singh , Borislav Petkov , Cyrill Gorcunov , Dave Hansen , Eugene Syromiatnikov , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Peter Zijlstra , Randy Dunlap , "Ravi V. Shankar" , Vedvyas Shanbhogue , Dave Martin , Weijiang Yang , Pengfei Xu , Haitao Huang Cc: Yu-cheng Yu Subject: [PATCH v22 0/8] Control-flow Enforcement: Indirect Branch Tracking Date: Wed, 10 Mar 2021 14:05:11 -0800 Message-Id: <20210310220519.16811-1-yu-cheng.yu@intel.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: BEF72407F8FF X-Stat-Signature: chdjx4xxko5nz13y7p8wjqogh8ih83iq Received-SPF: none (intel.com>: No applicable sender policy available) receiver=imf02; identity=mailfrom; envelope-from=""; helo=mga01.intel.com; client-ip=192.55.52.88 X-HE-DKIM-Result: none/none X-HE-Tag: 1615413937-470633 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Control-flow Enforcement (CET) is a new Intel processor feature that bloc= ks return/jump-oriented programming attacks. Details are in "Intel 64 and IA-32 Architectures Software Developer's Manual" [1]. This is the second part of CET and enables Indirect Branch Tracking (IBT)= . It is built on top of the shadow stack series. Changes in v22: - Add patch #8: Add endbr64 to sgx vdso entry point. - Rebase to Linus tree v5.12-rc2. [1] Intel 64 and IA-32 Architectures Software Developer's Manual: https://software.intel.com/en-us/download/intel-64-and-ia-32- architectures-sdm-combined-volumes-1-2a-2b-2c-2d-3a-3b-3c-3d-and-4 [2] Indirect Branch Tracking patches v21: https://lore.kernel.org/r/20210217223135.16790-1-yu-cheng.yu@intel.co= m/ H.J. Lu (3): x86/cet/ibt: Update arch_prctl functions for Indirect Branch Tracking x86/vdso/32: Add ENDBR32 to __kernel_vsyscall entry point x86/vdso: Insert endbr32/endbr64 to vDSO Yu-cheng Yu (5): x86/cet/ibt: Update Kconfig for user-mode Indirect Branch Tracking x86/cet/ibt: User-mode Indirect Branch Tracking support x86/cet/ibt: Handle signals for Indirect Branch Tracking x86/cet/ibt: Update ELF header parsing for Indirect Branch Tracking x86/vdso: Add ENDBR64 to __vdso_sgx_enter_enclave arch/x86/Kconfig | 1 + arch/x86/entry/vdso/Makefile | 4 ++ arch/x86/entry/vdso/vdso32/system_call.S | 3 ++ arch/x86/entry/vdso/vsgx.S | 3 ++ arch/x86/include/asm/cet.h | 3 ++ arch/x86/kernel/cet.c | 59 +++++++++++++++++++++++- arch/x86/kernel/cet_prctl.c | 5 ++ arch/x86/kernel/fpu/signal.c | 8 ++-- arch/x86/kernel/process_64.c | 8 ++++ 9 files changed, 89 insertions(+), 5 deletions(-) --=20 2.21.0