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Date:   Fri, 17 Sep 2021 08:56:56 -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 5/6] mmc: sdhci-of-aspeed: build kunit tests without
 structleak plugin

On Thu, Sep 16, 2021 at 11:11:03PM -0700, Brendan Higgins wrote:
> The structleak plugin causes the stack frame size to grow immensely when
> used with KUnit.
> 
> Turn it off.
> 
> Co-developed-by: Arnd Bergmann <arnd@...db.de>
> Signed-off-by: Brendan Higgins <brendanhiggins@...gle.com>
> ---
>  drivers/mmc/host/Makefile | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
> index 14004cc09aaad..2ab083931f8fd 100644
> --- a/drivers/mmc/host/Makefile
> +++ b/drivers/mmc/host/Makefile
> @@ -85,6 +85,7 @@ obj-$(CONFIG_MMC_SDHCI_DOVE)		+= sdhci-dove.o
>  obj-$(CONFIG_MMC_SDHCI_TEGRA)		+= sdhci-tegra.o
>  obj-$(CONFIG_MMC_SDHCI_OF_ARASAN)	+= sdhci-of-arasan.o
>  obj-$(CONFIG_MMC_SDHCI_OF_ASPEED)	+= sdhci-of-aspeed.o
> +CFLAGS_sdhci-of-aspeed.o		+= $(DISABLE_STRUCTLEAK_PLUGIN)

This isn't a stand-alone test object, so I'm less excited about
disabling STRUCTLEAK here.

>  obj-$(CONFIG_MMC_SDHCI_OF_AT91)		+= sdhci-of-at91.o
>  obj-$(CONFIG_MMC_SDHCI_OF_ESDHC)	+= sdhci-of-esdhc.o
>  obj-$(CONFIG_MMC_SDHCI_OF_HLWD)		+= sdhci-of-hlwd.o
> -- 
> 2.33.0.464.g1972c5931b-goog
> 

-- 
Kees Cook

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