Changeset 74669 in vbox for trunk/src/VBox

Timestamp:

Oct 8, 2018 11:25:08 AM (6 years ago)

Author:

vboxsync

Message:

VMM/IEM: Nested VMX: bugref:9180 Assert that the ES segment cannot be overriden for the INS instruction when passing the
VMX string I/O instruction information.

File:

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

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

@@ -3351 +3351 @@
     Assert(ExitInstrInfo.StrIo.iSegReg < X86_SREG_COUNT);
     Assert(ExitInstrInfo.StrIo.u3AddrSize == 0 || ExitInstrInfo.StrIo.u3AddrSize == 1 || ExitInstrInfo.StrIo.u3AddrSize == 2);
+    Assert(uInstrId != VMXINSTRID_IO_INS || ExitInstrInfo.StrIo.iSegReg == X86_SREG_ES);
 
     bool const fIntercept = iemVmxIsIoInterceptSet(pVCpu, u16Port);