Changeset 67523 in vbox

Timestamp:

Jun 21, 2017 7:42:15 AM (8 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

116263

Message:

VBoxRecompiler: Prevent accidental execution of hardware virtualized nested-guest code.

File:

• trunk/src/recompiler/VBoxRecompiler.c (modified) (2 diffs)

trunk/src/recompiler/VBoxRecompiler.c

@@ -44 +44 @@
 #include <VBox/vmm/ssm.h>
 #include <VBox/vmm/em.h>
+#include <VBox/vmm/iem.h>
 #include <VBox/vmm/trpm.h>
 #include <VBox/vmm/iom.h>
@@ -2136 +2137 @@
     pVM->rem.s.Env.pVCpu = pVCpu;
     pCtx = pVM->rem.s.pCtx = CPUMQueryGuestCtxPtr(pVCpu);
+
+    Assert(pCtx);
+    if (CPUMIsGuestInNestedHwVirtMode(pCtx))
+    {
+        AssertMsgFailed(("Bad scheduling - can't exec. nested-guest in REM!\n"));
+        return VERR_NOT_SUPPORTED;
+    }
 
     Assert(!pVM->rem.s.fInREM);