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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no 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 3DB78C32750 for ; Tue, 13 Aug 2019 21:03:54 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 094B120842 for ; Tue, 13 Aug 2019 21:03:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 094B120842 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 7D3776B0006; Tue, 13 Aug 2019 17:03:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7831C6B0296; Tue, 13 Aug 2019 17:03:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5D6D36B0297; Tue, 13 Aug 2019 17:03:41 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0077.hostedemail.com [216.40.44.77]) by kanga.kvack.org (Postfix) with ESMTP id 328FF6B0006 for ; Tue, 13 Aug 2019 17:03:41 -0400 (EDT) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id CF5F02C34 for ; Tue, 13 Aug 2019 21:03:40 +0000 (UTC) X-FDA: 75818631000.30.fruit85_200ac0d4fd817 X-HE-Tag: fruit85_200ac0d4fd817 X-Filterd-Recvd-Size: 4856 Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by imf02.hostedemail.com (Postfix) with ESMTP for ; Tue, 13 Aug 2019 21:03:39 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Aug 2019 14:03:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,382,1559545200"; d="scan'208";a="194275959" Received: from yyu32-desk1.sc.intel.com ([10.144.153.205]) by fmsmga001.fm.intel.com with ESMTP; 13 Aug 2019 14:03:38 -0700 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 Cc: Yu-cheng Yu Subject: [PATCH v8 00/14] Control-flow Enforcement: Branch Tracking, PTRACE Date: Tue, 13 Aug 2019 13:53:45 -0700 Message-Id: <20190813205359.12196-1-yu-cheng.yu@intel.com> X-Mailer: git-send-email 2.17.1 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: The previous version of CET Branch Tracking/PTRACE patches is here: https://lkml.org/lkml/2019/6/6/1030 Summary of changes from v7: Change legacy bitmap to a special mapping (patch #14). Rebase to v5.3-rc4. Small fixes in response to comments. H.J. Lu (5): x86/cet/ibt: Add arch_prctl functions for IBT x86/vdso: Insert endbr32/endbr64 to vDSO x86/vdso/32: Add ENDBR32 to __kernel_vsyscall entry point x86/vsyscall/64: Add ENDBR64 to vsyscall entry points x86: Discard .note.gnu.property sections Yu-cheng Yu (9): x86/cet/ibt: Add Kconfig option for user-mode Indirect Branch Tracking x86/cet/ibt: User-mode indirect branch tracking support x86/cet/ibt: Handle signals for end branch mm/mmap: Add IBT bitmap size to address space limit check x86/cet/ibt: ELF header parsing for IBT x86/cet/ibt: Add ENDBR to op-code-map x86/vsyscall/64: Fixup shadow stack and branch tracking for vsyscall x86/cet: Add PTRACE interface for CET Introduce arch_prctl(ARCH_X86_CET_MARK_LEGACY_CODE) arch/x86/Kconfig | 17 ++ arch/x86/Makefile | 7 + arch/x86/entry/vdso/Makefile | 12 +- arch/x86/entry/vdso/vdso-layout.lds.S | 1 + arch/x86/entry/vdso/vdso32/system_call.S | 3 + arch/x86/entry/vsyscall/vsyscall_64.c | 29 +++ arch/x86/entry/vsyscall/vsyscall_emu_64.S | 9 + arch/x86/entry/vsyscall/vsyscall_trace.h | 1 + arch/x86/include/asm/cet.h | 9 + arch/x86/include/asm/disabled-features.h | 8 +- arch/x86/include/asm/fpu/regset.h | 7 +- arch/x86/include/asm/mmu_context.h | 10 + arch/x86/include/asm/processor.h | 13 +- arch/x86/include/uapi/asm/prctl.h | 3 + arch/x86/kernel/Makefile | 2 +- arch/x86/kernel/cet.c | 54 +++++ arch/x86/kernel/cet_bitmap.c | 210 ++++++++++++++++++ arch/x86/kernel/cet_prctl.c | 19 ++ arch/x86/kernel/cpu/common.c | 17 ++ arch/x86/kernel/fpu/regset.c | 41 ++++ arch/x86/kernel/process_64.c | 5 + arch/x86/kernel/ptrace.c | 16 ++ arch/x86/kernel/vmlinux.lds.S | 10 + arch/x86/lib/x86-opcode-map.txt | 13 +- include/uapi/linux/elf.h | 1 + mm/memory.c | 8 + mm/mmap.c | 19 +- .../arch/x86/include/asm/disabled-features.h | 8 +- tools/objtool/arch/x86/lib/x86-opcode-map.txt | 13 +- 29 files changed, 552 insertions(+), 13 deletions(-) create mode 100644 arch/x86/kernel/cet_bitmap.c -- 2.17.1