Changeset 80490 in vbox for trunk/src/VBox

Timestamp:

Aug 29, 2019 8:23:12 AM (5 years ago)

Author:

vboxsync

Message:

VMM/IEM: Nested VMX: bugref:9180 We should not be calling VM-exit from ring-0 when VBOX_WITH_NESTED_HWVIRT_ONLY_IN_IEM is used. Assert and return a guru rc rather than VINF_EM_RAW_EMULATE_INSTR which can lead to harder to debug issues.

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllCImplVmxInstr.cpp.h (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/IEMAllCImplVmxInstr.cpp.h

@@ -2445 +2445 @@
 # if defined(VBOX_WITH_NESTED_HWVIRT_ONLY_IN_IEM) && !defined(IN_RING3)
     RT_NOREF3(pVCpu, uExitReason, u64ExitQual);
-    return VINF_EM_RAW_EMULATE_INSTR;
+    AssertMsgFailed(("VM-exit should only be invoked from ring-3 when nested-guest executes only in ring-3!\n"));
+    return VERR_IEM_IPE_7;
 # else
     PVMXVVMCS pVmcs = pVCpu->cpum.GstCtx.hwvirt.vmx.CTX_SUFF(pVmcs);