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From: Kees Cook <kees@kernel.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: "Kirill A. Shutemov" <kas@kernel.org>,
	linux-efi@vger.kernel.org, "Gavin Shan" <gshan@redhat.com>,
	"Jan Beulich" <jbeulich@suse.com>,
	kvm@vger.kernel.org, "Rafael J. Wysocki" <rafael@kernel.org>,
	"Kees Cook" <kees@kernel.org>,
	"Catalin Marinas" <catalin.marinas@arm.com>,
	"Dave Hansen" <dave.hansen@linux.intel.com>,
	llvm@lists.linux.dev, "Marco Elver" <elver@google.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	"Usama Arif" <usama.arif@bytedance.com>,
	"Andrey Ryabinin" <ryabinin.a.a@gmail.com>,
	"Viresh Kumar" <viresh.kumar@linaro.org>,
	"Bill Wendling" <morbo@google.com>,
	"Henrique de Moraes Holschuh" <hmh@hmh.eng.br>,
	"Oza Pawandeep" <quic_poza@quicinc.com>,
	kasan-dev@googlegroups.com, "Will Deacon" <will@kernel.org>,
	"Ard Biesheuvel" <ardb@kernel.org>,
	linux-trace-kernel@vger.kernel.org,
	linux-security-module@vger.kernel.org,
	"H. Peter Anvin" <hpa@zytor.com>,
	"Michal Wilczynski" <michal.wilczynski@intel.com>,
	"Baoquan He" <bhe@redhat.com>,
	linux-acpi@vger.kernel.org,
	"Masahiro Yamada" <masahiroy@kernel.org>,
	x86@kernel.org, "James Morris" <jmorris@namei.org>,
	"Christophe Leroy" <christophe.leroy@csgroup.eu>,
	"Peter Zijlstra (Intel)" <peterz@infradead.org>,
	"Ingo Molnar" <mingo@redhat.com>,
	"Sami Tolvanen" <samitolvanen@google.com>,
	"Changyuan Lyu" <changyuanl@google.com>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	"Hou Wenlong" <houwenlong.hwl@antgroup.com>,
	"Nick Desaulniers" <nick.desaulniers+lkml@gmail.com>,
	"Len Brown" <lenb@kernel.org>,
	platform-driver-x86@vger.kernel.org,
	"Thomas Huth" <thuth@redhat.com>,
	"Alexander Graf" <graf@amazon.com>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	"Anshuman Khandual" <anshuman.khandual@arm.com>,
	"Brian Gerst" <brgerst@gmail.com>,
	"Boqun Feng" <boqun.feng@gmail.com>,
	"Masami Hiramatsu" <mhiramat@kernel.org>,
	"Bibo Mao" <maobibo@loongson.cn>,
	"Nathan Chancellor" <nathan@kernel.org>,
	"Paul Moore" <paul@paul-moore.com>,
	"Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>,
	"Borislav Petkov" <bp@alien8.de>,
	"Andy Lutomirski" <luto@kernel.org>,
	"Jonathan Cameron" <Jonathan.Cameron@huawei.com>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	linux-arm-kernel@lists.infradead.org,
	"Andrey Konovalov" <andreyknvl@gmail.com>,
	"Juergen Gross" <jgross@suse.com>,
	"Nicolas Schier" <nicolas.schier@linux.dev>,
	ibm-acpi-devel@lists.sourceforge.net, kexec@lists.infradead.org,
	"Gustavo A. R. Silva" <gustavoars@kernel.org>,
	linux-kbuild@vger.kernel.org,
	"Luis Chamberlain" <mcgrof@kernel.org>,
	"James Morse" <james.morse@arm.com>,
	"Mike Rapoport" <rppt@kernel.org>,
	"Justin Stitt" <justinstitt@google.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Vitaly Kuznetsov" <vkuznets@redhat.com>,
	"Serge E. Hallyn" <serge@hallyn.com>,
	linux-hardening@vger.kernel.org,
	"David Woodhouse" <dwmw@amazon.co.uk>,
	"Hans de Goede" <hansg@kernel.org>,
	"Roger Pau Monne" <roger.pau@citrix.com>
Subject: [PATCH v4 0/4] stackleak: Support Clang stack depth tracking
Date: Wed, 23 Jul 2025 22:50:24 -0700	[thread overview]
Message-ID: <20250724054419.it.405-kees@kernel.org> (raw)

 v4:
  - rebase on for-next/hardening tree (took subset of v3 patches)
  - improve commit logs for x86 and arm64 changes (Mike, Will, Ard)
 v3: https://lore.kernel.org/lkml/20250717231756.make.423-kees@kernel.org/
 v2: https://lore.kernel.org/lkml/20250523043251.it.550-kees@kernel.org/
 v1: https://lore.kernel.org/lkml/20250507180852.work.231-kees@kernel.org/

Hi,

These are the remaining changes needed to support Clang stack depth
tracking for kstack_erase (nee stackleak).

Thanks!

-Kees

Kees Cook (4):
  arm64: Handle KCOV __init vs inline mismatches
  x86: Handle KCOV __init vs inline mismatches
  init.h: Disable sanitizer coverage for __init and __head
  kstack_erase: Support Clang stack depth tracking

 security/Kconfig.hardening      | 5 ++++-
 scripts/Makefile.kstack_erase   | 6 ++++++
 arch/arm64/include/asm/acpi.h   | 2 +-
 arch/x86/include/asm/acpi.h     | 4 ++--
 arch/x86/include/asm/init.h     | 2 +-
 arch/x86/include/asm/realmode.h | 2 +-
 include/linux/acpi.h            | 4 ++--
 include/linux/bootconfig.h      | 2 +-
 include/linux/efi.h             | 2 +-
 include/linux/init.h            | 4 +++-
 include/linux/memblock.h        | 2 +-
 include/linux/smp.h             | 2 +-
 arch/x86/kernel/kvm.c           | 2 +-
 arch/x86/mm/init_64.c           | 2 +-
 kernel/kexec_handover.c         | 4 ++--
 15 files changed, 28 insertions(+), 17 deletions(-)

-- 
2.34.1



WARNING: multiple messages have this Message-ID (diff)
From: Kees Cook <kees@kernel.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: "Kees Cook" <kees@kernel.org>, "Will Deacon" <will@kernel.org>,
	"Ard Biesheuvel" <ardb@kernel.org>,
	"Catalin Marinas" <catalin.marinas@arm.com>,
	"Jonathan Cameron" <Jonathan.Cameron@huawei.com>,
	"Gavin Shan" <gshan@redhat.com>,
	"Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>,
	"James Morse" <james.morse@arm.com>,
	"Oza Pawandeep" <quic_poza@quicinc.com>,
	"Anshuman Khandual" <anshuman.khandual@arm.com>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Ingo Molnar" <mingo@redhat.com>,
	"Borislav Petkov" <bp@alien8.de>,
	"Dave Hansen" <dave.hansen@linux.intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Mike Rapoport" <rppt@kernel.org>,
	"Vitaly Kuznetsov" <vkuznets@redhat.com>,
	"Henrique de Moraes Holschuh" <hmh@hmh.eng.br>,
	"Hans de Goede" <hansg@kernel.org>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Len Brown" <lenb@kernel.org>,
	"Masami Hiramatsu" <mhiramat@kernel.org>,
	"Michal Wilczynski" <michal.wilczynski@intel.com>,
	"Juergen Gross" <jgross@suse.com>,
	"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
	"Kirill A. Shutemov" <kas@kernel.org>,
	"Roger Pau Monne" <roger.pau@citrix.com>,
	"David Woodhouse" <dwmw@amazon.co.uk>,
	"Usama Arif" <usama.arif@bytedance.com>,
	"Guilherme G. Piccoli" <gpiccoli@igalia.com>,
	"Thomas Huth" <thuth@redhat.com>,
	"Brian Gerst" <brgerst@gmail.com>,
	"Marco Elver" <elver@google.com>,
	"Andrey Konovalov" <andreyknvl@gmail.com>,
	"Andrey Ryabinin" <ryabinin.a.a@gmail.com>,
	"Hou Wenlong" <houwenlong.hwl@antgroup.com>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Masahiro Yamada" <masahiroy@kernel.org>,
	"Peter Zijlstra (Intel)" <peterz@infradead.org>,
	"Luis Chamberlain" <mcgrof@kernel.org>,
	"Sami Tolvanen" <samitolvanen@google.com>,
	"Christophe Leroy" <christophe.leroy@csgroup.eu>,
	"Nathan Chancellor" <nathan@kernel.org>,
	"Nicolas Schier" <nicolas.schier@linux.dev>,
	"Gustavo A. R. Silva" <gustavoars@kernel.org>,
	"Andy Lutomirski" <luto@kernel.org>,
	"Baoquan He" <bhe@redhat.com>, "Alexander Graf" <graf@amazon.com>,
	"Changyuan Lyu" <changyuanl@google.com>,
	"Paul Moore" <paul@paul-moore.com>,
	"James Morris" <jmorris@namei.org>,
	"Serge E. Hallyn" <serge@hallyn.com>,
	"Nick Desaulniers" <nick.desaulniers+lkml@gmail.com>,
	"Bill Wendling" <morbo@google.com>,
	"Justin Stitt" <justinstitt@google.com>,
	"Jan Beulich" <jbeulich@suse.com>,
	"Boqun Feng" <boqun.feng@gmail.com>,
	"Viresh Kumar" <viresh.kumar@linaro.org>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	"Bibo Mao" <maobibo@loongson.cn>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, x86@kernel.org,
	kvm@vger.kernel.org, ibm-acpi-devel@lists.sourceforge.net,
	platform-driver-x86@vger.kernel.org, linux-acpi@vger.kernel.org,
	linux-trace-kernel@vger.kernel.org, linux-efi@vger.kernel.org,
	linux-mm@kvack.org, kasan-dev@googlegroups.com,
	linux-kbuild@vger.kernel.org, linux-hardening@vger.kernel.org,
	kexec@lists.infradead.org, linux-security-module@vger.kernel.org,
	llvm@lists.linux.dev
Subject: [PATCH v4 0/4] stackleak: Support Clang stack depth tracking
Date: Wed, 23 Jul 2025 22:50:24 -0700	[thread overview]
Message-ID: <20250724054419.it.405-kees@kernel.org> (raw)

 v4:
  - rebase on for-next/hardening tree (took subset of v3 patches)
  - improve commit logs for x86 and arm64 changes (Mike, Will, Ard)
 v3: https://lore.kernel.org/lkml/20250717231756.make.423-kees@kernel.org/
 v2: https://lore.kernel.org/lkml/20250523043251.it.550-kees@kernel.org/
 v1: https://lore.kernel.org/lkml/20250507180852.work.231-kees@kernel.org/

Hi,

These are the remaining changes needed to support Clang stack depth
tracking for kstack_erase (nee stackleak).

Thanks!

-Kees

Kees Cook (4):
  arm64: Handle KCOV __init vs inline mismatches
  x86: Handle KCOV __init vs inline mismatches
  init.h: Disable sanitizer coverage for __init and __head
  kstack_erase: Support Clang stack depth tracking

 security/Kconfig.hardening      | 5 ++++-
 scripts/Makefile.kstack_erase   | 6 ++++++
 arch/arm64/include/asm/acpi.h   | 2 +-
 arch/x86/include/asm/acpi.h     | 4 ++--
 arch/x86/include/asm/init.h     | 2 +-
 arch/x86/include/asm/realmode.h | 2 +-
 include/linux/acpi.h            | 4 ++--
 include/linux/bootconfig.h      | 2 +-
 include/linux/efi.h             | 2 +-
 include/linux/init.h            | 4 +++-
 include/linux/memblock.h        | 2 +-
 include/linux/smp.h             | 2 +-
 arch/x86/kernel/kvm.c           | 2 +-
 arch/x86/mm/init_64.c           | 2 +-
 kernel/kexec_handover.c         | 4 ++--
 15 files changed, 28 insertions(+), 17 deletions(-)

-- 
2.34.1


             reply	other threads:[~2025-07-24  9:02 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-24  5:50 Kees Cook [this message]
2025-07-24  5:50 ` [PATCH v4 0/4] stackleak: Support Clang stack depth tracking Kees Cook
2025-07-24  5:50 ` [PATCH v4 1/4] arm64: Handle KCOV __init vs inline mismatches Kees Cook
2025-07-24  5:50   ` Kees Cook
2025-07-29  8:10   ` Will Deacon
2025-07-29  8:10     ` Will Deacon
2025-07-24  5:50 ` [PATCH v4 2/4] x86: " Kees Cook
2025-07-24  5:50   ` Kees Cook
2025-07-29  8:28   ` Mike Rapoport
2025-07-29  8:28     ` Mike Rapoport
2025-07-29  9:34   ` Arnd Bergmann
2025-07-29  9:34     ` Arnd Bergmann
2025-07-24  5:50 ` [PATCH v4 3/4] init.h: Disable sanitizer coverage for __init and __head Kees Cook
2025-07-24  5:50   ` Kees Cook
2025-07-25  0:44   ` kernel test robot
2025-07-24  5:50 ` [PATCH v4 4/4] kstack_erase: Support Clang stack depth tracking Kees Cook
2025-07-24  5:50   ` Kees Cook
2025-07-24 13:08   ` Nicolas Schier
2025-07-24 13:08     ` Nicolas Schier
2025-07-26  0:43 ` [PATCH v4 0/4] stackleak: " Nathan Chancellor
2025-07-26  0:43   ` Nathan Chancellor
2025-07-26  6:27   ` Kees Cook
2025-07-26  6:27     ` Kees Cook
2025-07-26 21:47   ` Kees Cook
2025-07-26 21:47     ` Kees Cook

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