linux-hardening - Re: [PATCH] string: Convert strscpy() self-test to KUnit

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Date:   Tue, 18 Oct 2022 12:00:58 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Nathan Chancellor <nathan@...nel.org>
Cc:     David Gow <davidgow@...gle.com>,
        "Tobin C . Harding" <tobin@...nel.org>,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] string: Convert strscpy() self-test to KUnit

On Tue, Oct 18, 2022 at 11:54:28AM -0700, Nathan Chancellor wrote:
> On Tue, Oct 18, 2022 at 01:28:59AM -0700, Kees Cook wrote:
> > Convert the strscpy() self-test to a KUnit test.
> > 
> > Cc: David Gow <davidgow@...gle.com>
> > Cc: Tobin C. Harding <tobin@...nel.org>
> > Signed-off-by: Kees Cook <keescook@...omium.org>
> 
> I ran the following commands and they all passed:
> 
> $ tools/testing/kunit/kunit.py run --arch arm64 --cross_compile aarch64-linux-gnu- strscpy
> 
> $ tools/testing/kunit/kunit.py run --arch arm64 --make_options LLVM=1 strscpy
> 
> $ tools/testing/kunit/kunit.py run --arch x86_64 strscpy
> 
> $ tools/testing/kunit/kunit.py run --arch x86_64 --make_options LLVM=1 strscpy
> 
> Tested-by: Nathan Chancellor <nathan@...nel.org>

Thank you!

I should probably note somewhere that I test it both with and without
CONFIG_FORTIFY_SOURCE:

$ tools/testing/kunit/kunit.py run --arch x86_64 --kconfig_add CONFIG_FORTIFY_SOURCE=y strscpy

etc...

-- 
Kees Cook