Changeset 83246 in vbox for trunk

Timestamp:

Mar 10, 2020 1:20:06 PM (5 years ago)

Author:

vboxsync

Message:

bugref:9637. Some parameter checking.

File:

trunk/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR3LibSeamless.cpp

-              r83143
+              r83246
 VBGLR3DECL(int) VbglR3SeamlessSendMonitorPositions(uint32_t cPositions, PRTPOINT pPositions)
+{
+    if (!pPositions || cPositions <= 0)
+        return VERR_INVALID_PARAMETER;
     VMMDevVideoUpdateMonitorPositions *pReq;
     int rc;
-    AssertPtrReturn(pPositions, VERR_INVALID_PARAMETER);
     rc = vbglR3GRAlloc((VMMDevRequestHeader **)&pReq,
                          sizeof(VMMDevVideoUpdateMonitorPositions)
+                       + cPositions * sizeof(RTPOINT)
+                       - sizeof(RTPOINT),
+                       + (cPositions - 1) * sizeof(RTPOINT),
                        VMMDevReq_VideoUpdateMonitorPositions);
     if (RT_SUCCESS(rc))

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