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Date:   Fri, 17 Sep 2021 08:48:29 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Brendan Higgins <brendanhiggins@...gle.com>
Cc:     shuah@...nel.org, davidgow@...gle.com, arnd@...db.de,
        rafael@...nel.org, jic23@...nel.org, lars@...afoo.de,
        ulf.hansson@...aro.org, andreas.noever@...il.com,
        michael.jamet@...el.com, mika.westerberg@...ux.intel.com,
        YehezkelShB@...il.com, masahiroy@...nel.org,
        michal.lkml@...kovi.net, ndesaulniers@...gle.com,
        linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com,
        linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        gregkh@...uxfoundation.org, linux-iio@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-hardening@...r.kernel.org, linux-kbuild@...r.kernel.org
Subject: Re: [PATCH v1 1/6] gcc-plugins/structleak: add makefile var for
 disabling structleak

On Thu, Sep 16, 2021 at 11:10:59PM -0700, Brendan Higgins wrote:
> KUnit and structleak don't play nice, so add a makefile variable for
> enabling structleak when it complains.
> 
> Co-developed-by: Kees Cook <keescook@...omium.org>

For a C-d-b, also include a S-o-b:

Signed-off-by: Kees Cook <keescook@...omium.org>

But otherwise, yes, this is good. :)

-Kees

> Signed-off-by: Brendan Higgins <brendanhiggins@...gle.com>
> ---
>  scripts/Makefile.gcc-plugins | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/scripts/Makefile.gcc-plugins b/scripts/Makefile.gcc-plugins
> index 952e46876329a..4aad284800355 100644
> --- a/scripts/Makefile.gcc-plugins
> +++ b/scripts/Makefile.gcc-plugins
> @@ -19,6 +19,10 @@ gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF)		\
>  		+= -fplugin-arg-structleak_plugin-byref
>  gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL)	\
>  		+= -fplugin-arg-structleak_plugin-byref-all
> +ifdef CONFIG_GCC_PLUGIN_STRUCTLEAK
> +    DISABLE_STRUCTLEAK_PLUGIN += -fplugin-arg-structleak_plugin-disable
> +endif
> +export DISABLE_STRUCTLEAK_PLUGIN
>  gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK)		\
>  		+= -DSTRUCTLEAK_PLUGIN
>  
> -- 
> 2.33.0.464.g1972c5931b-goog
> 

-- 
Kees Cook

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