linux-hardening - Re: [RFC 3/3] thunderbolt: build kunit tests without structleak plugin

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Message-ID: <20210127125304.GD2542@lahna.fi.intel.com>
Date:   Wed, 27 Jan 2021 14:53:04 +0200
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Kees Cook <keescook@...omium.org>,
        Brendan Higgins <brendanhiggins@...gle.com>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Alan Maguire <alan.maguire@...cle.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Vitor Massaru Iha <vitor@...saru.org>,
        linux-hardening@...r.kernel.org, linux-kselftest@...r.kernel.org,
        kunit-dev@...glegroups.com,
        Andreas Noever <andreas.noever@...il.com>,
        linux-usb@...r.kernel.org
Subject: Re: [RFC 3/3] thunderbolt: build kunit tests without structleak
 plugin

Hi Arnd,

On Mon, Jan 25, 2021 at 01:45:28PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The structleak plugin causes the stack frame size to grow immensely:
> 
> 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.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

To me this is a reasonable work around so I can pick this up to
Thunderbolt tree if no objections.

Thanks BTW, for doing this. I got a report from buildbot some time ago
about the this but did not have time to figure out how to fix it :)