linux-kernel - Re: [PATCH 21/24] selftests: memfd: return Kselftest Skip code for skipped tests

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <72a499bc-5c32-b553-88c6-a56704c398fc@kernel.org>
Date:   Mon, 7 May 2018 15:16:16 -0600
From:   Shuah Khan <shuah@...nel.org>
To:     Mike Kravetz <mike.kravetz@...cle.com>, akpm@...ux-foundation.org,
        marcandre.lureau@...hat.com, lizhijian@...fujitsu.com
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Shuah Khan <shuah@...nel.org>
Subject: Re: [PATCH 21/24] selftests: memfd: return Kselftest Skip code for
 skipped tests

On 05/07/2018 12:45 PM, Shuah Khan wrote:
> On 05/04/2018 07:52 PM, Mike Kravetz wrote:
>> On 05/04/2018 06:13 PM, Shuah Khan (Samsung OSG) wrote:
>>> When memfd test is skipped because of unmet dependencies and/or unsupported
>>> configuration, it returns non-zero value which is treated as a fail by the
>>> Kselftest framework. This leads to false negative result even when the test
>>> could not be run.
>>>
>>> Change it to return kselftest skip code when a test gets skipped to
>>> clearly report that the test could not be run.
>>>
>>> Added an explicit check for root user and return skip code.
>>>
>>> Kselftest framework SKIP code is 4 and the framework prints appropriate
>>> messages to indicate that the test is skipped.
>>>
>>> Signed-off-by: Shuah Khan (Samsung OSG) <shuah@...nel.org>
>>> ---
>>>  tools/testing/selftests/memfd/run_tests.sh | 10 +++++++++-
>>>  1 file changed, 9 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/tools/testing/selftests/memfd/run_tests.sh b/tools/testing/selftests/memfd/run_tests.sh
>>> index c2d41ed81b24..88dc206a69b7 100755
>>> --- a/tools/testing/selftests/memfd/run_tests.sh
>>> +++ b/tools/testing/selftests/memfd/run_tests.sh
>>> @@ -1,6 +1,14 @@
>>>  #!/bin/bash
>>>  # please run as root
>>>  
>>> +# Kselftest framework requirement - SKIP code is 4.
>>> +ksft_skip=4
>>> +
>>> +if [ $UID != 0 ]; then
>>> +	echo "Please run this test as root"
>>> +	exit $ksft_skip
>>> +fi
>>> +

Moving root check this far up messes the test up and requires root access for
run_fuse_test.sh and memfd_test which is incorrect.

I will re-do the patch

thanks,
-- Shuah