linux-kernel - Re: [PATCH v2] overflow: disable failing tests for older clang versions

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Date:   Thu, 6 Oct 2022 16:01:39 -0700
From:   Kees Cook <keescook@...omium.org>
To:     ndesaulniers@...gle.com
Cc:     linux-kernel@...r.kernel.org, gustavoars@...nel.org,
        dlatypov@...gle.com, gwan-gyeong.mun@...el.com, nathan@...nel.org,
        trix@...hat.com, llvm@...ts.linux.dev
Subject: Re: [PATCH v2] overflow: disable failing tests for older clang
 versions

On Thu, Oct 06, 2022 at 03:58:49PM -0700, Kees Cook wrote:
> On Thu, 6 Oct 2022 10:17:51 -0700, Nick Desaulniers wrote:
> > Building the overflow kunit tests with clang-11 fails with:
> > 
> > $ ./tools/testing/kunit/kunit.py run --arch=arm --make_options LLVM=1 \
> > overflow
> > ...
> > ld.lld: error: undefined symbol: __mulodi4
> > ...
> > 
> > [...]
> 
> Applied to for-next/hardening, thanks!
> 
> [1/1] overflow: disable failing tests for older clang versions
>       https://git.kernel.org/kees/c/2d4df670c64c

I sent a follow-up that refactor this -- I realized I actually wanted to
see "skips" instead of just having the test go missing.

-- 
Kees Cook