Index: /trunk/src/VBox/Devices/Audio/DrvHostOSSAudio.cpp
===================================================================
--- /trunk/src/VBox/Devices/Audio/DrvHostOSSAudio.cpp	(revision 73695)
+++ /trunk/src/VBox/Devices/Audio/DrvHostOSSAudio.cpp	(revision 73696)
@@ -680,5 +680,9 @@
     do
     {
-        OSSAUDIOSTREAMCFG reqStream, obtStream;
+        OSSAUDIOSTREAMCFG reqStream;
+        RT_ZERO(reqStream);
+
+        OSSAUDIOSTREAMCFG obtStream;
+        RT_ZERO(obtStream);
 
         memcpy(&reqStream.Props, &pCfgReq->Props, sizeof(PDMAUDIOPCMPROPS));