linux-kernel - [RFC PATCH v6 00/11] Control-flow Enforcement: Branch Tracking, PTRACE

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Message-Id: <20181119214934.6174-1-yu-cheng.yu@intel.com>
Date:   Mon, 19 Nov 2018 13:49:23 -0800
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>,
        Eugene Syromiatnikov <esyr@...hat.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@...omium.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>,
        Randy Dunlap <rdunlap@...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 v6 00/11] Control-flow Enforcement: Branch Tracking, PTRACE

The previous version of CET Branch Tracking/PTRACE patches is at the following
link:

  https://lkml.org/lkml/2018/10/11/662

Summary of changes from v5:

  Remove the legacy code bitmap allocation from kernel.  Now GLIBC
  allocates the bitmap and passes it to the kernel.

  Some small fixes.

H.J. Lu (3):
  x86: Insert endbr32/endbr64 to vDSO
  x86/vsyscall/32: Add ENDBR32 to vsyscall entry point
  x86/vsyscall/64: Add ENDBR64 to vsyscall entry points

Yu-cheng Yu (8):
  x86/cet/ibt: Add Kconfig option for user-mode Indirect Branch Tracking
  x86/cet/ibt: User-mode indirect branch tracking support
  x86/cet/ibt: Add IBT legacy code bitmap setup function
  mm/mmap: Add IBT bitmap size to address space limit check
  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
  x86/cet: Add PTRACE interface for CET

 arch/x86/Kconfig                              | 16 ++++++
 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/entry/vdso/vdso32/system_call.S      |  3 ++
 arch/x86/entry/vsyscall/vsyscall_emu_64.S     |  9 ++++
 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/asm/mmu_context.h            | 10 ++++
 arch/x86/include/uapi/asm/elf_property.h      |  1 +
 arch/x86/include/uapi/asm/prctl.h             |  2 +
 arch/x86/kernel/cet.c                         | 54 +++++++++++++++++++
 arch/x86/kernel/cet_prctl.c                   | 21 ++++++++
 arch/x86/kernel/cpu/common.c                  | 17 ++++++
 arch/x86/kernel/elf.c                         |  5 ++
 arch/x86/kernel/fpu/regset.c                  | 41 ++++++++++++++
 arch/x86/kernel/process.c                     |  1 +
 arch/x86/kernel/ptrace.c                      | 16 ++++++
 arch/x86/lib/x86-opcode-map.txt               | 13 ++++-
 include/uapi/linux/elf.h                      |  1 +
 mm/mmap.c                                     | 19 ++++++-
 .../arch/x86/include/asm/disabled-features.h  |  8 ++-
 tools/objtool/arch/x86/lib/x86-opcode-map.txt | 13 ++++-
 25 files changed, 286 insertions(+), 11 deletions(-)

-- 
2.17.1