Changeset 42729 in vbox for trunk

Timestamp:

Aug 9, 2012 7:31:30 PM (12 years ago)

Author:

vboxsync

Message:

IEM: Fixed indexing bug in iemOp_EscF1.

File:

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

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

@@ -12342 +12342 @@
             case 6:
             case 7:
-                return FNIEMOP_CALL(g_apfnEscF1_E0toFF[(bRm & (X86_MODRM_REG_MASK |X86_MODRM_RM_MASK)) - 0xe0]);
+                Assert((unsigned)bRm - 0xe0U < RT_ELEMENTS(g_apfnEscF1_E0toFF));
+                return FNIEMOP_CALL(g_apfnEscF1_E0toFF[bRm - 0xe0]);
             IEM_NOT_REACHED_DEFAULT_CASE_RET();
         }