[GIT PULL] hardening updates for v7.1-rc1

[GIT PULL] hardening updates for v7.1-rc1

[Kees Cook]

Hi Linus,

Please pull these hardening updates for v7.1-rc1.

Thanks!

-Kees

The following changes since commit 11439c4635edd669ae435eec308f4ab8a0804808:

  Linux 7.0-rc2 (2026-03-01 15:39:31 -0800)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git tags/hardening-v7.1-rc1

for you to fetch changes up to cf2f06f7152d5e38a87aa2e9b8b452714789f6ba:

  lkdtm/fortify: Drop unneeded FORTIFY_STR_OBJECT test (2026-03-31 16:53:47 -0700)

----------------------------------------------------------------
hardening updates for v7.1-rc1

- randomize_kstack: Improve implementation across arches (Ryan Roberts)

- lkdtm/fortify: Drop unneeded FORTIFY_STR_OBJECT test

- refcount: Remove unused __signed_wrap function annotations

----------------------------------------------------------------
Kees Cook (2):
      refcount: Remove unused __signed_wrap function annotations
      lkdtm/fortify: Drop unneeded FORTIFY_STR_OBJECT test

Ryan Roberts (2):
      randomize_kstack: Maintain kstack_offset per task
      randomize_kstack: Unify random source across arches

 arch/Kconfig                            |  5 ++-
 arch/s390/include/asm/entry-common.h    |  8 -----
 arch/x86/include/asm/entry-common.h     | 12 --------
 include/linux/compiler_types.h          |  9 +-----
 include/linux/randomize_kstack.h        | 54 ++++++++++++---------------------
 include/linux/refcount.h                | 10 +++---
 arch/arm64/kernel/syscall.c             | 11 -------
 arch/loongarch/kernel/syscall.c         | 11 -------
 arch/powerpc/kernel/syscall.c           | 16 ++--------
 arch/riscv/kernel/traps.c               | 12 --------
 arch/s390/kernel/syscall.c              |  2 +-
 arch/x86/entry/syscall_32.c             |  4 +--
 arch/x86/entry/syscall_64.c             |  2 +-
 drivers/misc/lkdtm/fortify.c            | 36 ++++------------------
 init/main.c                             |  9 +++++-
 kernel/fork.c                           |  1 +
 tools/testing/selftests/lkdtm/tests.txt |  1 -
 17 files changed, 49 insertions(+), 154 deletions(-)

-- 
Kees Cook

Re: [GIT PULL] hardening updates for v7.1-rc1

[pr-tracker-bot]

The pull request you sent on Mon, 13 Apr 2026 16:21:45 -0700:

> https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git tags/hardening-v7.1-rc1

has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/d568788baab24875604c231f723dbb72387fb081

Thank you!

-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/prtracker.html