linux-hardening - Re: [PATCH v1 4/6] thunderbolt: build kunit tests without structleak plugin

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Message-ID: <202109170854.A99408F1@keescook>
Date:   Fri, 17 Sep 2021 08:55:00 -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 4/6] thunderbolt: build kunit tests without structleak
 plugin

On Thu, Sep 16, 2021 at 11:11:02PM -0700, Brendan Higgins wrote:
> The structleak plugin causes the stack frame size to grow immensely when
> used with KUnit:
> 
> drivers/thunderbolt/test.c:1529:1: error: the frame size of 1176 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
> 
> Turn it off in this file.
> 
> Linus already split up tests in this file, so this change *should* be
> redundant now.
> 
> Co-developed-by: Arnd Bergmann <arnd@...db.de>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

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

-- 
Kees Cook