linux-kernel - [RFC PATCH v3 0/8] Control Flow Enforcement: Branch Tracking, PTRACE

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Date:   Thu, 30 Aug 2018 07:40:01 -0700
From:   Yu-cheng Yu <yu-cheng.yu@...el.com>
To:     x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-mm@...ck.org,
        linux-arch@...r.kernel.org, linux-api@...r.kernel.org,
        Arnd Bergmann <arnd@...db.de>,
        Andy Lutomirski <luto@...capital.net>,
        Balbir Singh <bsingharora@...il.com>,
        Cyrill Gorcunov <gorcunov@...il.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Florian Weimer <fweimer@...hat.com>,
        "H.J. Lu" <hjl.tools@...il.com>, Jann Horn <jannh@...gle.com>,
        Jonathan Corbet <corbet@....net>,
        Kees Cook <keescook@...omiun.org>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Nadav Amit <nadav.amit@...il.com>,
        Oleg Nesterov <oleg@...hat.com>, Pavel Machek <pavel@....cz>,
        Peter Zijlstra <peterz@...radead.org>,
        "Ravi V. Shankar" <ravi.v.shankar@...el.com>,
        Vedvyas Shanbhogue <vedvyas.shanbhogue@...el.com>
Cc:     Yu-cheng Yu <yu-cheng.yu@...el.com>
Subject: [RFC PATCH v3 0/8] Control Flow Enforcement: Branch Tracking, PTRACE

This set includes CET Indirect Branch Tracking patches and a PTRACE patch.

Summary of changes from v2:

  Allocate IBT bitmap at the start of a task.

H.J. Lu (1):
  x86: Insert endbr32/endbr64 to vDSO

Yu-cheng Yu (7):
  x86/cet/ibt: Add Kconfig option for user-mode Indirect Branch Tracking
  x86/cet/ibt: User-mode indirect branch tracking support
  x86/cet/ibt: ELF header parsing for IBT
  x86/cet/ibt: Add arch_prctl functions for IBT
  x86/cet/ibt: Add ENDBR to op-code-map
  mm/mmap: Add IBT bitmap size to address space limit check
  x86/cet: Add PTRACE interface for CET

 arch/x86/Kconfig                              | 12 +++
 arch/x86/Makefile                             |  7 ++
 arch/x86/entry/vdso/.gitignore                |  4 +
 arch/x86/entry/vdso/Makefile                  | 12 ++-
 arch/x86/entry/vdso/vdso-layout.lds.S         |  1 +
 arch/x86/include/asm/cet.h                    |  8 ++
 arch/x86/include/asm/disabled-features.h      |  8 +-
 arch/x86/include/asm/fpu/regset.h             |  7 +-
 arch/x86/include/uapi/asm/elf_property.h      |  1 +
 arch/x86/include/uapi/asm/prctl.h             |  1 +
 arch/x86/include/uapi/asm/resource.h          |  5 ++
 arch/x86/kernel/cet.c                         | 74 +++++++++++++++++++
 arch/x86/kernel/cet_prctl.c                   | 38 +++++++++-
 arch/x86/kernel/cpu/common.c                  | 20 ++++-
 arch/x86/kernel/elf.c                         |  8 +-
 arch/x86/kernel/fpu/regset.c                  | 41 ++++++++++
 arch/x86/kernel/process.c                     |  2 +
 arch/x86/kernel/ptrace.c                      | 16 ++++
 arch/x86/lib/x86-opcode-map.txt               | 13 +++-
 include/uapi/asm-generic/resource.h           |  3 +
 include/uapi/linux/elf.h                      |  1 +
 mm/mmap.c                                     | 12 ++-
 tools/objtool/arch/x86/lib/x86-opcode-map.txt | 13 +++-
 23 files changed, 294 insertions(+), 13 deletions(-)

-- 
2.17.1