[Bug 28260] New: dsound/ds3d.ok crashes under WINEDEBUG=warn+heap

http://bugs.winehq.org/show_bug.cgi?id=28260

Summary: dsound/ds3d.ok crashes under WINEDEBUG=warn+heap
           Product: Wine
           Version: 1.3.27
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: directx-dsound
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Here's a backtrace:

export WINEDEBUG=warn+heap
../../../tools/runtest -q -P wine -M dsound.dll -T ../../.. -p
dsound_test.exe.so ds3d.c && touch ds3d.ok
...
wine: Unhandled page fault on read access to 0xfeef021a at address 0x68d6775f
(thread 002c), starting debugger...
Backtrace:
=>0 0x68d6775f IDirectSound3DListenerImpl_Release+0xe9(iface=0x1d5170)
[dlls/dsound/sound3d.c:791] 
 1 0x684bce32 test_primary_3d_with_listener+0x677(lpGuid=(nil))
[dlls/dsound/tests/ds3d.c:1228] 
 2 0x684bd181 dsenum_callback+0x183(lpGuid=(nil), lpcstrDescription="Primary
Sound Driver", lpcstrModule="", lpContext=0x0(nil))
[dlls/dsound/tests/ds3d.c:1283] 
 3 0x68d558e4 a_to_w_callback+0xe0(guid=(nil), descW="Primary Sound Driver",
modW="", data=0x33fc80) [dlls/dsound/dsound_main.c:291] 
 4 0x68d55c3b DirectSoundEnumerateW+0x2ab(lpDSEnumCallback=0x68d55803,
lpContext=0x33fc80) [dlls/dsound/dsound_main.c:370] 
 5 0x68d55985 DirectSoundEnumerateA+0x88(lpDSEnumCallback=0x684bcffd,
lpContext=0x0(nil)) [dlls/dsound/dsound_main.c:321] 
 6 0x684bd50d ds3d_tests+0x2a() [dlls/dsound/tests/ds3d.c:1307] 
 7 0x684bd5cd func_ds3d+0x7b() [dlls/dsound/tests/ds3d.c:1326]