linux-kernel - [GIT PULL] hardening updates for v6.11-rc1

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Message-ID: <202407150933.E1871BE@keescook>
Date: Mon, 15 Jul 2024 09:34:47 -0700
From: Kees Cook <kees@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, Ard Biesheuvel <ardb@...nel.org>,
	Arnd Bergmann <arnd@...db.de>, Heiko Carstens <hca@...ux.ibm.com>,
	Kees Cook <kees@...nel.org>, Mark Rutland <mark.rutland@....com>,
	Nathan Chancellor <nathan@...nel.org>,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Sami Tolvanen <samitolvanen@...gle.com>,
	Thorsten Blum <thorsten.blum@...lux.com>,
	Yanjun Yang <yangyj.ee@...il.com>,
	Yuntao Liu <liuyuntao12@...wei.com>
Subject: [GIT PULL] hardening updates for v6.11-rc1

Hi Linus,

Please pull these hardening updates for v6.11-rc1.

Thanks!

-Kees

The following changes since commit c3f38fa61af77b49866b006939479069cd451173:

  Linux 6.10-rc2 (2024-06-02 15:44:56 -0700)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git tags/hardening-v6.11-rc1

for you to fetch changes up to 872bb37f6829d4f7f3ed5afe2786add3d4384b4b:

  randomize_kstack: Improve stack alignment codegen (2024-07-13 21:36:36 -0700)

----------------------------------------------------------------
hardening updates for v6.11-rc1

- lkdtm/bugs: add test for hung smp_call_function_single() (Mark Rutland)

- gcc-plugins: Remove duplicate included header file stringpool.h
  (Thorsten Blum)

- ARM: Remove address checking for MMUless devices (Yanjun Yang)

- randomize_kstack: Clean up per-arch entropy and codegen

- KCFI: Make FineIBT mode Kconfig selectable

- fortify: Do not special-case 0-sized destinations

----------------------------------------------------------------
Kees Cook (4):
      x86/alternatives: Make FineIBT mode Kconfig selectable
      fortify: Do not special-case 0-sized destinations
      randomize_kstack: Remove non-functional per-arch entropy filtering
      randomize_kstack: Improve stack alignment codegen

Mark Rutland (1):
      lkdtm/bugs: add test for hung smp_call_function_single()

Thorsten Blum (1):
      gcc-plugins: Remove duplicate included header file stringpool.h

Yanjun Yang (1):
      ARM: Remove address checking for MMUless devices

 arch/arm/mm/fault.c                     |  4 ++--
 arch/arm64/kernel/syscall.c             | 16 +++++++---------
 arch/s390/include/asm/entry-common.h    |  2 +-
 arch/x86/Kconfig                        |  9 +++++++++
 arch/x86/include/asm/cfi.h              |  2 +-
 arch/x86/include/asm/entry-common.h     | 15 ++++++---------
 arch/x86/kernel/alternative.c           |  8 ++++----
 drivers/misc/lkdtm/bugs.c               | 30 ++++++++++++++++++++++++++++++
 include/linux/fortify-string.h          |  8 ++------
 include/linux/randomize_kstack.h        | 18 ++++++++++++------
 lib/fortify_kunit.c                     |  3 +--
 scripts/gcc-plugins/gcc-common.h        |  5 -----
 tools/testing/selftests/lkdtm/tests.txt |  1 +
 13 files changed, 76 insertions(+), 45 deletions(-)

-- 
Kees Cook