[Bug 36706] New: valgrind shows several warnings in rpcrt4/tests/ndr_marshal.c

https://bugs.winehq.org/show_bug.cgi?id=36706

Bug ID: 36706
           Summary: valgrind shows several warnings in
                    rpcrt4/tests/ndr_marshal.c
           Product: Wine
           Version: 1.7.19
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: download, source, testcase, valgrind
          Severity: normal
          Priority: P2
         Component: rpc
          Assignee: [e-mail]
          Reporter: [e-mail]

Created attachment 48750
  --> https://bugs.winehq.org/attachment.cgi?id=48750
valgrind log

These only seem to appear when running the full test suite. Just running 'make
ndr_marshal.ok' doesn't seem to be enough to trigger it.

../../../tools/runtest -q -P wine -T ../../.. -M rpcrt4.dll -p
rpcrt4_test.exe.so ndr_marshall && touch ndr_marshall.ok
preloader: Warning: failed to reserve range 00110000-68000000
preloader: Warning: failed to reserve range 7f000000-82000000
fixme:ole:PointerUnmarshall free object pointer 0x499cd38
fixme:ole:PointerUnmarshall free object pointer 0x499cd60
==6421== Thread 3:
==6421== Invalid read of size 4
==6421==    at 0x60FDF90: ??? (in
/usr/lib64/gcc/x86_64-pc-linux-gnu/4.9.0/32/libgcc_s.so.1)
==6421==    by 0x610E95C: ??? (in
/usr/lib64/gcc/x86_64-pc-linux-gnu/4.9.0/32/libgcc_s.so.1)
==6421==    by 0x610F101: ??? (in
/usr/lib64/gcc/x86_64-pc-linux-gnu/4.9.0/32/libgcc_s.so.1)
==6421==    by 0x610F65C: _Unwind_ForcedUnwind (in
/usr/lib64/gcc/x86_64-pc-linux-gnu/4.9.0/32/libgcc_s.so.1)
==6421==    by 0x422B9F1: _Unwind_ForcedUnwind (unwind-forcedunwind.c:137)
==6421==    by 0x4229732: __pthread_unwind (unwind.c:129)
==6421==    by 0x4224080: pthread_exit (pthreadP.h:280)
==6421==    by 0x7BC9053D: terminate_thread (thread.c:349)
==6421==    by 0x7BC88B19: ??? (signal_i386.c:2571)
==6421==    by 0x621F357: ???
==6421==    by 0x4222F92: start_thread (pthread_create.c:309)
==6421==    by 0x43277ED: clone (clone.S:129)
==6421==  Address 0x6117080 is on thread 1's stack
==6421==

etc. Full log attached.