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=-11.7 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 9CACDC433DB for ; Wed, 27 Jan 2021 21:31:03 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 239A864DC4 for ; Wed, 27 Jan 2021 21:31:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 239A864DC4 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 C83EE6B0072; Wed, 27 Jan 2021 16:30:54 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id AE2C06B0075; Wed, 27 Jan 2021 16:30:54 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 87FB86B0074; Wed, 27 Jan 2021 16:30:54 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0126.hostedemail.com [216.40.44.126]) by kanga.kvack.org (Postfix) with ESMTP id 627AA6B0075 for ; Wed, 27 Jan 2021 16:30:54 -0500 (EST) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 2233B1EE6 for ; Wed, 27 Jan 2021 21:30:54 +0000 (UTC) X-FDA: 77752850028.10.horse84_4e0a2df2759a Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin10.hostedemail.com (Postfix) with ESMTP id E603E16A4B4 for ; Wed, 27 Jan 2021 21:30:53 +0000 (UTC) X-HE-Tag: horse84_4e0a2df2759a X-Filterd-Recvd-Size: 4214 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by imf17.hostedemail.com (Postfix) with ESMTP for ; Wed, 27 Jan 2021 21:30:52 +0000 (UTC) IronPort-SDR: jr85rTb97KVj8+254bm1Ml9hx7KJlK/ItoK2FTgo/fhh+pVnO7g4Udz2HMa9P1lkVQDIRj4bkN kIFyLWHBp75Q== X-IronPort-AV: E=McAfee;i="6000,8403,9877"; a="167233429" X-IronPort-AV: E=Sophos;i="5.79,380,1602572400"; d="scan'208";a="167233429" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jan 2021 13:30:37 -0800 IronPort-SDR: JCZZryNT2JIGNQ8KhjBAdvRReyAQrjQOFUC1VFX+JKyTx5tPmqM9d85D1rnZEOsCYVRQG2vUTg HoR9l3XFOYQw== X-IronPort-AV: E=Sophos;i="5.79,380,1602572400"; d="scan'208";a="362581352" Received: from yyu32-desk.sc.intel.com ([143.183.136.146]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jan 2021 13:30:36 -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 Cc: Yu-cheng Yu Subject: [PATCH v18 0/7] Control-flow Enforcement: Indirect Branch Tracking Date: Wed, 27 Jan 2021 13:30:21 -0800 Message-Id: <20210127213028.11362-1-yu-cheng.yu@intel.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 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. This version has no changes from v17. It is being re-sent as v18 to synchronize with the shadow stack series v18. [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 v17: https://lkml.kernel.org/r/20201229213350.17010-1-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 (4): 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 arch/x86/Kconfig | 1 + arch/x86/entry/vdso/Makefile | 4 ++ arch/x86/entry/vdso/vdso32/system_call.S | 3 ++ arch/x86/include/asm/cet.h | 3 ++ arch/x86/kernel/cet.c | 60 +++++++++++++++++++++++- arch/x86/kernel/cet_prctl.c | 5 ++ arch/x86/kernel/fpu/signal.c | 8 ++-- arch/x86/kernel/process_64.c | 8 ++++ 8 files changed, 87 insertions(+), 5 deletions(-) --=20 2.21.0