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SubjectRe: LTP CVE cve-2017-17053 test failed on x86_64 device
I believe the error message on boot is solved by LKML thread:

[PATCH] locking/rwsem: Fix up_read_non_owner() warning with DEBUG_RWSEMS

Looks like that is what is tainting the kernel.

On 20 June 2018 at 08:11, Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
> On 20 June 2018 at 12:51, Michael Moese <mmoese@suse.de> wrote:
>> Hi,
>>
>> On Wed, Jun 20, 2018 at 12:14:22PM +0530, Naresh Kamboju wrote:
>>> Test FAIL case output,
>>> tst_test.c:1015: INFO: Timeout per run is 0h 15m 00s
>>> tst_taint.c:88: BROK: Kernel is already tainted: 512
>> The kernel is already tainted. In this case, the test refuses to run,
>> because it could not tell if the test is pass or fail.
>>
>> Could you please check if you could run the test directly after a
>> reboot?
>
> This single test ran immediately after the boot and bug reproduced.
>
> tst_taint.c:88: BROK: Kernel is already tainted: 512
> https://lkft.validation.linaro.org/scheduler/job/293222#L1204
>
> Test command for 10 iterations and it failed for all 10 iterations.
> + ./runltp -s cve-2017-17053 -I 10
>
> NOTE:
> We still see kernel warning while booting the x86_64 machine.
> DEBUG_LOCKS_WARN_ON(sem->owner != ((struct task_struct *)(1UL << 0)))
>
> - Naresh
>
>>
>> Regards,
>> Michael
>> --
>> SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)

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