Re: [PATCH] lib: overflow: Convert to Kunit

[Shuah Khan]

On 2/17/22 10:09 AM, Kees Cook wrote:
> On Wed, Feb 16, 2022 at 02:57:12PM -0800, Daniel Latypov wrote:
> > On Wed, Feb 16, 2022 at 2:42 PM Kees Cook <keescook@xxxxxxxxxxxx> wrote:
> > > Convert overflow unit tests to KUnit, for better integration into the
> > > kernel self test framework. Includes a rename of test_overflow.c to
> > > overflow_kunit.c, and CONFIG_TEST_OVERFLOW to CONFIG_OVERFLOW_KUNIT_TEST.
> > >
> > > $ ./tools/testing/kunit/kunit.py config
> > > ...
> > > $ ./tools/testing/kunit/kunit.py run overflow
> >
> > JFYI, you can run this as a one-liner via
> >
> > $ ./tools/testing/kunit/kunit.py run --kunitconfig /dev/stdin <<EOF
> > CONFIG_KUNIT=y
> > CONFIG_TEST_OVERFLOW=y
> > EOF
> >
> > The above is taken from my own duplicate version of this patch
> > [1] https://lore.kernel.org/linux-kselftest/20210503211536.1384578-1-dlatypov@xxxxxxxxxx/
>
> Ah-ha! I thought I remembered this conversion being proposed before but
> I totally failed to find it. Thank you! I'll compare/adjust this patch
> and add you as Co-developed-by.
>
> > > ...
> > > [14:33:51] Starting KUnit Kernel (1/1)...
> > > [14:33:51] ============================================================
> > > [14:33:51] ================== overflow (11 subtests) ==================
> > > [14:33:51] [PASSED] u8_overflow_test
> > > [14:33:51] [PASSED] s8_overflow_test
> > > [14:33:51] [PASSED] u16_overflow_test
> > > [14:33:51] [PASSED] s16_overflow_test
> > > [14:33:51] [PASSED] u32_overflow_test
> > > [14:33:51] [PASSED] s32_overflow_test
> > > [14:33:51] [PASSED] u64_overflow_test
> > > [14:33:51] [PASSED] s64_overflow_test
> > > [14:33:51] [PASSED] overflow_shift_test
> > > [14:33:51] [PASSED] overflow_allocation_test
> > > [14:33:51] [PASSED] overflow_size_helpers_test
> > > [14:33:51] ==================== [PASSED] overflow =====================
> > > [14:33:51] ============================================================
> > > [14:33:51] Testing complete. Passed: 11, Failed: 0, Crashed: 0, Skipped: 0, Errors: 0
> > > [14:33:51] Elapsed time: 12.525s total, 0.001s configuring, 12.402s building, 0.101s running
> > >
> > > Cc: David Gow <davidgow@xxxxxxxxxx>
> > > Cc: Vitor Massaru Iha <vitor@xxxxxxxxxxx>
> > > Cc: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
> > > Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
> > > Co-developed-by: Vitor Massaru Iha <vitor@xxxxxxxxxxx>
> > > Signed-off-by: Vitor Massaru Iha <vitor@xxxxxxxxxxx>
> > > Link: https://lore.kernel.org/lkml/20200720224418.200495-1-vitor@xxxxxxxxxxx/
> > > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
> >
> > Reviewed-by: Daniel Latypov <dlatypov@xxxxxxxxxx>

Looks good to me. I recall reviewing this when Vitor was working on this.
Glad to this happen.

Reviewed-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>

thanks,
-- Shuah