linux-kernel - Re: [PATCH v4 2/2] selftests/sgx: Migrate to kselftest harness

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]

Date:   Wed, 12 May 2021 08:56:03 -0700
From:   Reinette Chatre <reinette.chatre@...el.com>
To:     Jarkko Sakkinen <jarkko@...nel.org>
Cc:     Shuah Khan <shuah@...nel.org>, linux-sgx@...r.kernel.org,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/2] selftests/sgx: Migrate to kselftest harness

Hi Jarkko,

On 5/11/2021 6:10 PM, Jarkko Sakkinen wrote:
> On Tue, May 11, 2021 at 11:42:49AM -0700, Reinette Chatre wrote:
>> Hi Jarkko,
>>
>> On 5/7/2021 8:56 PM, Jarkko Sakkinen wrote:
>>> Migrate to kselftest harness. Use a fixture test with enclave initialized
>>> and de-initialized for each of the existing three tests, in other words:
>>>
>>> 1. One FIXTURE() for managing the enclave life-cycle.
>>> 2. Three TEST_F()'s, one for each test case.
>>
>> These changes make it easier to add tests and I think it is a valuable
>> addition.
>>
>>>
>>> This gives a leaps better reporting than before. Here's an example
>>> transcript:
>>>
>>> TAP version 13
>>> 1..3
>>> 0x0000000000000000 0x0000000000002000 0x03
>>> 0x0000000000002000 0x0000000000001000 0x05
>>> 0x0000000000003000 0x0000000000003000 0x03
>>> ok 1 enclave.unclobbered_vdso
>>> 0x0000000000000000 0x0000000000002000 0x03
>>> 0x0000000000002000 0x0000000000001000 0x05
>>> 0x0000000000003000 0x0000000000003000 0x03
>>> ok 2 enclave.clobbered_vdso
>>> 0x0000000000000000 0x0000000000002000 0x03
>>> 0x0000000000002000 0x0000000000001000 0x05
>>> 0x0000000000003000 0x0000000000003000 0x03
>>> ok 3 enclave.clobbered_vdso_and_user_function
>>>
>>
>> The output claims to conform to TAP13 but it does not seem as though all of
>> the output conforms to TAP13. I assume such output would confuse automated
>> systems.
> 
> You mean
> 
> 0x0000000000000000 0x0000000000002000 0x03
> 0x0000000000002000 0x0000000000001000 0x05
> 0x0000000000003000 0x0000000000003000 0x03
> 
> ?

Yes

Reinette