Changeset 56664 in vbox

Timestamp:

Jun 27, 2015 8:52:14 PM (9 years ago)

Author:

vboxsync

Message:

HMSVMR0.cpp: Fixed incorrect I/O instruction length check.

File:

• trunk/src/VBox/VMM/VMMR0/HMSVMR0.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HMSVMR0.cpp

@@ -4802 +4802 @@
         {
             uint64_t cbInstr = pVmcb->ctrl.u64ExitInfo2 - pCtx->rip;
-            if (cbInstr <= 15 && cbInstr >= 2)
+            if (cbInstr <= 15 && cbInstr >= 1)
             {
+                Assert(cbInstr >= 1 + IoExitInfo.n.u1REP);
                 if (IoExitInfo.n.u1Type == SVM_IOIO_WRITE)
                 {