Changeset 52974 in vbox

Timestamp:

Oct 7, 2014 1:41:55 PM (10 years ago)

Author:

vboxsync

Message:

SUP: Seems ThreadHideFromDebugger on others might require debugger rights. Ignore errors.

File:

• trunk/src/VBox/HostDrivers/Support/win/SUPR3HardenedMain-win.cpp (modified) (1 diff)

trunk/src/VBox/HostDrivers/Support/win/SUPR3HardenedMain-win.cpp

@@ -4031 +4031 @@
     /*
      * Apply anti debugger notification trick to the thread.  (Also done in
-     * supR3HardenedWinInit.)
+     * supR3HardenedWinInit.)  This may fail with STATUS_ACCESS_DENIED and
+     * maybe other errors.
      */
     rcNt = NtSetInformationThread(This.hThread, ThreadHideFromDebugger, NULL, 0);
     if (!NT_SUCCESS(rcNt))
-        supR3HardenedWinKillChild(&This, "supR3HardenedWinReSpawn", rcNt,
-                                  "NtSetInformationThread/ThreadHideFromDebugger failed: %#x\n", rcNt);
+        SUP_DPRINTF(("supR3HardenedWinReSpawn: NtSetInformationThread/ThreadHideFromDebugger failed: %#x (harmless)\n", rcNt);
 #endif