[cmake-developers] Fw: CTest and Address Sanitizer

[Xavier Besseron]

Hi Karl,

Maybe this blog post can be useful to you:
https://blog.kitware.com/ctest-cdash-add-support-for-new-dynamic-analysis-tools/

I believe that the AddressSanitizer should normally stop with a non-zero
error code right after the first error.
You can check the runtime flags to control this behavior:
https://github.com/google/sanitizers/wiki/AddressSanitizerFlags
https://github.com/google/sanitizers/wiki/SanitizerCommonFlags


Best regards,

Xavier


On Tue, Dec 27, 2016 at 1:05 AM, Karl Robinson <debuggery at outlook.com>
wrote:

> Hi
>
> I am trying to use Address Sanitizer (also UndefinedBehaviour and Memory
> Sanitizers) with CTest (CMake 3.5.1).  In my top level cmake file I have
>
> set(MEMORYCHECK_TYPE "AddressSanitizer")
> include (CTest)
> enable_testing()
> add_test( some_test_case )
>
> Then I run my tests with
>
>         ctest -T memcheck
>
>
> Whatever I do I always end up with Valgrind being run, occasionally
> (depending on what I have been messing with) CTest reports "Memory checker
> (MemoryCheckCommand) not set, or cannot find the specified program.")
>
> In both cases my Dart config file looks like this
>
> # Dynamic analysis (MemCheck)
> PurifyCommand:
> ValgrindCommand:
> ValgrindCommandOptions:
> MemoryCheckType: AddressSanitizer
> MemoryCheckSanitizerOptions:
> MemoryCheckCommand: /usr/bin/valgrind
> MemoryCheckCommandOptions:
> MemoryCheckSuppressionFile:
>
> When I look through the cmake source code it seems that setting the
> MEMORYCHECK_TYPE variable to AddressSanitizer but with
> no MEMORYCHECK_COMMAND specified is correct. Why do  I always end up with
> Valgrind being selected? Is this the correct behavior?
>
> When I run 'ctest -T test' on code built with a sanitizer enabled I can
> see bugs in the code firing the sanitizer and useful output is produced. So
> I don't understand why  Valgrind is required
>
> The reason for trying to do this is that I was hoping that when I run a
> memcheck ctest would see the output from the sanitizers and mark the test
> case as failed. However, neither 'test' nor 'memcheck' detect the sanitizer
> failure
>
> Any ideas what I might be doing wrong? Better, is there an example of
> using the sanitizers with ctest?
>
> CMake & CTest are great tools but would be even more awesome if I could
> integrate CTest and the sanitizers
>
> Thanks!
>
>
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-- 
Dr Xavier BESSERON
Research associate
FSTC, University of Luxembourg
Campus Kirchberg, Office E-007
Phone: +352 46 66 44 5418
http://luxdem.uni.lu/
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