Index: /trunk/src/VBox/Devices/Storage/VSCSI/VSCSIDevice.cpp
===================================================================
--- /trunk/src/VBox/Devices/Storage/VSCSI/VSCSIDevice.cpp	(revision 80540)
+++ /trunk/src/VBox/Devices/Storage/VSCSI/VSCSIDevice.cpp	(revision 80541)
@@ -67,5 +67,5 @@
                 SCSIINQUIRYDATA ScsiInquiryReply;
 
-                vscsiReqSetXferSize(pVScsiReq, scsiBE2H_U16(&pVScsiReq->pbCDB[3]));
+                vscsiReqSetXferSize(pVScsiReq, RT_MIN(sizeof(SCSIINQUIRYDATA), scsiBE2H_U16(&pVScsiReq->pbCDB[3])));
                 memset(&ScsiInquiryReply, 0, sizeof(ScsiInquiryReply));
                 ScsiInquiryReply.cbAdditional = 31;
Index: /trunk/src/VBox/Devices/Storage/VSCSI/VSCSILunMmc.cpp
===================================================================
--- /trunk/src/VBox/Devices/Storage/VSCSI/VSCSILunMmc.cpp	(revision 80540)
+++ /trunk/src/VBox/Devices/Storage/VSCSI/VSCSILunMmc.cpp	(revision 80541)
@@ -1093,5 +1093,5 @@
                 SCSIINQUIRYDATA ScsiInquiryReply;
 
-                vscsiReqSetXferSize(pVScsiReq, scsiBE2H_U16(&pVScsiReq->pbCDB[3]));
+                vscsiReqSetXferSize(pVScsiReq, RT_MIN(sizeof(SCSIINQUIRYDATA), scsiBE2H_U16(&pVScsiReq->pbCDB[3])));
                 memset(&ScsiInquiryReply, 0, sizeof(ScsiInquiryReply));
 
Index: /trunk/src/VBox/Devices/Storage/VSCSI/VSCSILunSbc.cpp
===================================================================
--- /trunk/src/VBox/Devices/Storage/VSCSI/VSCSILunSbc.cpp	(revision 80540)
+++ /trunk/src/VBox/Devices/Storage/VSCSI/VSCSILunSbc.cpp	(revision 80541)
@@ -201,5 +201,5 @@
         case SCSI_INQUIRY:
         {
-            vscsiReqSetXferSize(pVScsiReq, scsiBE2H_U16(&pVScsiReq->pbCDB[3]));
+            vscsiReqSetXferSize(pVScsiReq, RT_MIN(sizeof(SCSIINQUIRYDATA), scsiBE2H_U16(&pVScsiReq->pbCDB[3])));
 
             /* Check for EVPD bit. */