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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id n2-20020a170902e54200b001887e30b9ddsm2633377plf.257.2022.12.23.10.10.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Dec 2022 10:10:20 -0800 (PST) Date: Fri, 23 Dec 2022 10:10:19 -0800 From: Kees Cook To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Andrew Morton , Arnd Bergmann , Daniel =?iso-8859-1?Q?D=EDaz?= , "Eric W. Biederman" , James Morris , Jann Horn , Kees Cook , kernel test robot , Kristina Martsenko , linux-hardening@vger.kernel.org, linux-security-module@vger.kernel.org, Luis Chamberlain , Marco Elver , Mark Rutland , Nathan Chancellor , Paul Moore , Peter Zijlstra , Petr Mladek , Ping-Ke Shih , Sami Tolvanen , Sebastian Andrzej Siewior , "Serge E. Hallyn" , tangmeng , Tiezhu Yang Subject: [GIT PULL] kernel hardening fixes for v6.1-rc1 Message-ID: <202212231009.EC864645D8@keescook> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Linus, Please pull these kernel hardening fixes for v6.1-rc1, collected over the last week. Thanks! -Kees The following changes since commit d272e01fa0a2f15c5c331a37cd99c6875c7b7186: ksmbd: replace one-element arrays with flexible-array members (2022-12-02 13:14:29 -0800) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git tags/hardening-v6.1-rc1-fixes for you to fetch changes up to cf8016408d880afe9c5dc495af40dc2932874e77: cfi: Fix CFI failure with KASAN (2022-12-23 10:04:31 -0800) ---------------------------------------------------------------- kernel hardening fixes for v6.1-rc1 - Fix CFI failure with KASAN (Sami Tolvanen) - Fix LKDTM + CFI under GCC 7 and 8 (Kristina Martsenko) - Limit CONFIG_ZERO_CALL_USED_REGS to Clang > 15.0.6 (Nathan Chancellor) - Ignore "contents" argument in LoadPin's LSM hook handling - Fix paste-o in /sys/kernel/warn_count API docs - Use READ_ONCE() consistently for oops/warn limit reading ---------------------------------------------------------------- Kees Cook (3): LoadPin: Ignore the "contents" argument of the LSM hooks docs: Fix path paste-o for /sys/kernel/warn_count exit: Use READ_ONCE() for all oops/warn limit reads Kristina Martsenko (1): lkdtm: cfi: Make PAC test work with GCC 7 and 8 Nathan Chancellor (1): security: Restrict CONFIG_ZERO_CALL_USED_REGS to gcc or clang > 15.0.6 Sami Tolvanen (1): cfi: Fix CFI failure with KASAN Documentation/ABI/testing/sysfs-kernel-warn_count | 2 +- drivers/misc/lkdtm/cfi.c | 6 ++++- kernel/Makefile | 3 --- kernel/exit.c | 6 +++-- kernel/panic.c | 7 ++++-- security/Kconfig.hardening | 3 +++ security/loadpin/loadpin.c | 30 ++++++++++++++--------- 7 files changed, 36 insertions(+), 21 deletions(-) -- Kees Cook