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From:   Max Filippov <jcmvbkbc@gmail.com>
Date:   Tue, 15 Sep 2020 04:12:24 -0700
Message-ID: <CAMo8BfK0Jcmt4EJ1R2d_4Hp9siSRrBsgaNDqCVjcQ0GK8XBGZA@mail.gmail.com>
Subject: Re: [PATCH 00/15] selftests/seccomp: Refactor change_syscall()
To:     Kees Cook <keescook@chromium.org>
Cc:     Michael Ellerman <mpe@ellerman.id.au>,
        LKML <linux-kernel@vger.kernel.org>,
        Thadeu Lima de Souza Cascardo <cascardo@canonical.com>,
        Christian Brauner <christian@brauner.io>,
        Andy Lutomirski <luto@amacapital.net>,
        Will Drewry <wad@chromium.org>,
        linux-kselftest@vger.kernel.org, linux-mips@vger.kernel.org,
        "open list:TENSILICA XTENSA PORT (xtensa)" 
        <linux-xtensa@linux-xtensa.org>,
        linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org
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On Mon, Sep 14, 2020 at 1:32 PM Kees Cook <keescook@chromium.org> wrote:
> On Mon, Sep 14, 2020 at 10:15:18PM +1000, Michael Ellerman wrote:
> > Kees Cook <keescook@chromium.org> writes:
> However...
>
> >
> > cheers
> >
> >
> > ./seccomp_bpf
> > TAP version 13
> > 1..86
> > # Starting 86 tests from 7 test cases.
> > #  RUN           global.kcmp ...
> > #            OK  global.kcmp
> > ok 1 global.kcmp
> > [...]
> > #  RUN           global.KILL_thread ...
> > TAP version 13
> > 1..86
> > # Starting 86 tests from 7 test cases.
>
> Was this a mis-paste, or has something very very bad happened here in
> global.KILL_one_arg_six finishes?

I observe similar output corruption on xtensa when I redirect test output
into a file or pipe it to 'cat'. When it goes to the terminal it looks normal.

-- 
Thanks.
-- Max