netdev - Re: [PATCH 33/64] lib: Introduce CONFIG_TEST

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Message-ID: <202107271829.CE9BADDB@keescook>
Date:   Tue, 27 Jul 2021 18:30:11 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Bart Van Assche <bvanassche@....org>
Cc:     linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Keith Packard <keithpac@...zon.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-staging@...ts.linux.dev, linux-block@...r.kernel.org,
        linux-kbuild@...r.kernel.org, clang-built-linux@...glegroups.com
Subject: Re: [PATCH 33/64] lib: Introduce CONFIG_TEST_MEMCPY

On Tue, Jul 27, 2021 at 04:31:03PM -0700, Bart Van Assche wrote:
> On 7/27/21 1:58 PM, Kees Cook wrote:
> > +static int __init test_memcpy_init(void)
> > +{
> > +	int err = 0;
> > +
> > +	err |= test_memcpy();
> > +	err |= test_memmove();
> > +	err |= test_memset();
> > +
> > +	if (err) {
> > +		pr_warn("FAIL!\n");
> > +		err = -EINVAL;
> > +	} else {
> > +		pr_info("all tests passed\n");
> > +	}
> > +
> > +	return err;
> > +}
> > +
> > +static void __exit test_memcpy_exit(void)
> > +{ }
> > +
> > +module_init(test_memcpy_init);
> > +module_exit(test_memcpy_exit);
> > +MODULE_LICENSE("GPL");
> 
> Has it been considered to implement this test using the Kunit framework?

Good point! I will see if that works here; it would make sense to make
this KUnit from the start.

-- 
Kees Cook