linux-kernel - Re: [PATCH v3 0/3] Refactor memory initialization hardening

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Message-ID: <CAK7LNARuX8XfO=YRX9dYpipyBTCtMbQqLJfuk6iMLfLdZe1-KQ@mail.gmail.com>
Date:   Wed, 24 Apr 2019 13:06:49 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Alexander Potapenko <glider@...gle.com>,
        James Morris <jmorris@...ei.org>,
        Alexander Popov <alex.popov@...ux.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Kostya Serebryany <kcc@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Sandeep Patil <sspatil@...roid.com>,
        Laura Abbott <labbott@...hat.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Emese Revfy <re.emese@...il.com>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Kernel Hardening <kernel-hardening@...ts.openwall.com>,
        linux-security-module <linux-security-module@...r.kernel.org>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 0/3] Refactor memory initialization hardening

On Wed, Apr 24, 2019 at 4:49 AM Kees Cook <keescook@...omium.org> wrote:
>
> This refactors the stack memory initialization configs in order to
> keep things together when adding Clang stack initialization, and in
> preparation for future heap memory initialization configs.
>
> I intend to carry this in the gcc-plugins tree, but I'd really like
> to get Acks from Masahiro (Kconfig changes, Makefile change), and
> from James (adding the new Kconfig.hardening to security/Kconfig).

If needed,
Acked-by: Masahiro Yamada <yamada.masahiro@...ionext.com>


> Thanks!
>
> -Kees
>
> v3:
> - clean up menu/if with a merged "depends on" (masahiro)
> - add CONFIG_COMPILE_TEST defaults (masahiro)
>
> v2:
> - add plugin menu (masahiro)
> - adjust patch subject prefixes (masahiro)
> - drop redundent "depends" (masahiro)
> - fixed early use of CC_HAS_AUTO_VAR_INIT (masahiro)
> - dropped default-enabled for STACK_INIT_ALL (masahiro)
>
>
> Kees Cook (3):
>   security: Create "kernel hardening" config area
>   security: Move stackleak config to Kconfig.hardening
>   security: Implement Clang's stack initialization
>
>  Makefile                    |   5 ++
>  scripts/gcc-plugins/Kconfig | 126 ++-------------------------
>  security/Kconfig            |   2 +
>  security/Kconfig.hardening  | 164 ++++++++++++++++++++++++++++++++++++
>  4 files changed, 177 insertions(+), 120 deletions(-)
>  create mode 100644 security/Kconfig.hardening
>
> --
> 2.17.1
>


-- 
Best Regards
Masahiro Yamada