Changeset 89766 in vbox for trunk/src/VBox/Additions/x11/VBoxClient

Timestamp:

Jun 17, 2021 3:36:13 PM (3 years ago)

Author:

vboxsync

Message:

Additions: X11: VBoxClient: seamless: prevent crash on shutdown, bugref:10032.

XSendEvent() crashes when called with dpy=NULL. This is exactly a case when daemon
goes shutdown when X11 already terminated (e.g., when user did logout).

File:

• trunk/src/VBox/Additions/x11/VBoxClient/seamless-x11.cpp (modified) (1 diff)

trunk/src/VBox/Additions/x11/VBoxClient/seamless-x11.cpp

@@ -523 +523 @@
     LogRelFlowFuncEnter();
     if (pDisplay == NULL)
+    {
         VBClLogFatalError("Failed to open X11 display\n");
+        return false;
+    }
+
     /* Message contents set to zero. */
     XClientMessageEvent clientMessage = { ClientMessage, 0, 0, 0, 0, 0, 8 };