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

From: Masahiro Yamada
Date: Wed Apr 24 2019 - 00:07:55 EST


On Wed, Apr 24, 2019 at 4:49 AM Kees Cook <keescook@xxxxxxxxxxxx> 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@xxxxxxxxxxxxx>


> 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