The return of ASAN issues

[Ben Cooksley]

On Tue, May 31, 2016 at 9:36 AM, Albert Astals Cid <aacid at kde.org> wrote:
> El dilluns, 30 de maig de 2016, a les 19:42:38 CEST, Ben Cooksley va escriure:
>> Hi all,
>>
>> As you may recall, some time ago the CI scripts were adapted to
>> forcibly inject ASAN into all test processes launched on the CI system
>> to fix Marble's tests, as Marble does not use ECM and thus does not
>> enable ASAN as a result.
>>
>> Unfortunately this has bad effects with certain processes,
>> particularly Java based ones. This causes the tests of other projects
>> to fail as a result with segmentation faults, as they're incompatible
>> with forced ASAN injection - they have to actually be built with ASAN
>> for it to work.
>>
>> Can someone please investigate another solution?
>
> I know it's a workaround, but given Marble is a bit of an unique snowflake in
> that it doesn't want to use ECM because it adds 0.3MB of dependencies, can't
> we just apply the LD_PRELOAD workaround on the "marble" job level (afaik we
> can do those things)?

With a maintenance cost. But yes, it could be done.

>
> What you suggest would be superb correct-ness wise but it doesn't seem the
> more effort/result solution.

It would also fix anyone who has compiled Frameworks with ASAN and
needs to use a build system from elsewhere which does not use ECM
(Such as QMake for instance, although why you'd use ASAN in Frameworks
and not your app is another thing altogether of course)

>
> Cheers,
>   Albert

Regards,
Ben

>
>>
>> As ASAN is contagious, I would suggest that any Framework which is
>> compiled using ASAN have adjustments made to it's *Config.cmake files
>> to ensure linking for any binary/library built with it is setup
>> properly. I've no idea how complicated that is to setup though.
>>
>> This would fix Marble's tests while allowing Skrooge's tests that
>> depend on Java to be unaffected (and I considered the original fix to
>> inject ASAN a bit hackish, so i'm not surprised it's had casualties)
>>
>> Cheers,
>> Ben
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>
>