linux-kernel - Re: [PATCH v3 2/3] kunit: Taint the kernel when KUnit tests are run

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Date:   Tue, 17 May 2022 16:58:43 -0400
From:   Brendan Higgins <brendanhiggins@...gle.com>
To:     David Gow <davidgow@...gle.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Jonathan Corbet <corbet@....net>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Greg KH <gregkh@...uxfoundation.org>,
        Luis Chamberlain <mcgrof@...nel.org>,
        "Guilherme G . Piccoli" <gpiccoli@...lia.com>,
        Sebastian Reichel <sre@...nel.org>,
        John Ogness <john.ogness@...utronix.de>,
        Joe Fradley <joefradley@...gle.com>,
        Daniel Latypov <dlatypov@...gle.com>,
        kunit-dev@...glegroups.com, linux-kselftest@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Lucas De Marchi <lucas.demarchi@...el.com>,
        Aaron Tomlin <atomlin@...hat.com>,
        linux-fsdevel@...r.kernel.org, linux-block@...r.kernel.org
Subject: Re: [PATCH v3 2/3] kunit: Taint the kernel when KUnit tests are run

On Fri, May 13, 2022 at 4:32 AM David Gow <davidgow@...gle.com> wrote:
>
> Make KUnit trigger the new TAINT_TEST taint when any KUnit test is run.
> Due to KUnit tests not being intended to run on production systems, and
> potentially causing problems (or security issues like leaking kernel
> addresses), the kernel's state should not be considered safe for
> production use after KUnit tests are run.
>
> Signed-off-by: David Gow <davidgow@...gle.com>

Reviewed-by: Brendan Higgins <brendanhiggins@...gle.com>