linux-kernel - Re: [PATCH 1/3] taint: Convert to enum and indexed initialization

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Message-ID: <CAGXu5jKCU4HBdQvgqOc4cQpQ7CktO5YFmDSoAeppBDbgimZDiQ@mail.gmail.com>
Date:   Sun, 18 Feb 2018 10:17:09 -0800
From:   Kees Cook <keescook@...omium.org>
To:     kbuild test robot <lkp@...el.com>
Cc:     kbuild-all@...org, Andrew Morton <akpm@...ux-foundation.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Jonathan Corbet <corbet@....net>,
        LKML <linux-kernel@...r.kernel.org>, linux-doc@...r.kernel.org
Subject: Re: [PATCH 1/3] taint: Convert to enum and indexed initialization

On Sat, Feb 17, 2018 at 9:03 PM, kbuild test robot <lkp@...el.com> wrote:
> Hi Kees,
>
> I love your patch! Yet something to improve:
>
> [auto build test ERROR on linus/master]
> [also build test ERROR on v4.16-rc1 next-20180216]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>
> url:    https://github.com/0day-ci/linux/commits/Kees-Cook/taint-Add-taint-for-randstruct/20180218-100113
> config: arm64-defconfig (attached as .config)
> compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
> reproduce:
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         make.cross ARCH=arm64
>
> All errors (new ones prefixed by >>):
>
>    /tmp/ccUwVEny.s: Assembler messages:
>>> /tmp/ccUwVEny.s:897: Error: invalid operands (*UND* and *ABS* sections) for `<<'
>    /tmp/ccUwVEny.s:932: Error: invalid operands (*UND* and *ABS* sections) for `<<'
>    /tmp/ccUwVEny.s:1116: Error: invalid operands (*UND* and *ABS* sections) for `<<'

Ugh, it looks like an enum can't be used here because of assembly
files? I'll try to figure this out...

-Kees

>
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation



-- 
Kees Cook
Pixel Security