Changeset 92059 in vbox for trunk/src/VBox/VMM/VMMAll/PGMAllGst.h

Timestamp:

Oct 26, 2021 7:16:23 AM (3 years ago)

Author:

vboxsync

Message:

VMM: Nested VMX: bugref:10092 The effective EPT memory type must be from the last EPT paging-structure entry used in the translation, so clear any previous accumulated results.

File:

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

trunk/src/VBox/VMM/VMMAll/PGMAllGst.h

@@ -270 +270 @@
             uint16_t const fIgnorePat = RT_BF_GET(fEptAttrs, VMX_BF_EPT_PT_IGNORE_PAT);
             uint32_t const fEffectiveEpt = ((uint32_t)fEptAttrs << PGMPTWALK_EFF_EPT_ATTR_SHIFT) & PGMPTWALK_EFF_EPT_ATTR_MASK;
-            fEffective &= RT_BF_MAKE(PGM_BF_PTWALK_EFF_X,  fExecute)
-                        | RT_BF_MAKE(PGM_BF_PTWALK_EFF_RW, fWrite)
-                        | RT_BF_MAKE(PGM_BF_PTWALK_EFF_US, 1)
-                        | RT_BF_MAKE(PGM_BF_PTWALK_EFF_A,  fAccessed)
-                        | RT_BF_MAKE(PGM_BF_PTWALK_EFF_D,  fDirty)
+            fEffective &= RT_BF_MAKE(PGM_BF_PTWALK_EFF_X,       fExecute)
+                        | RT_BF_MAKE(PGM_BF_PTWALK_EFF_RW,      fWrite)
+                        | RT_BF_MAKE(PGM_BF_PTWALK_EFF_US,      1)
+                        | RT_BF_MAKE(PGM_BF_PTWALK_EFF_A,       fAccessed)
+                        | RT_BF_MAKE(PGM_BF_PTWALK_EFF_D,       fDirty)
+                        | RT_BF_MAKE(PGM_BF_PTWALK_EFF_MEMTYPE, 0)
                         | fEffectiveEpt;
             fEffective |= RT_BF_MAKE(PGM_BF_PTWALK_EFF_MEMTYPE,    fMemType)