Changeset 43354 in vbox for trunk/src/VBox/VMM

Timestamp:

Sep 18, 2012 3:25:32 PM (12 years ago)

Author:

vboxsync

Message:

VMM/HWVMXR0: Don't create executable mappings for VMCS and friends.

File:

• trunk/src/VBox/VMM/VMMR0/HWVMXR0.cpp (modified) (7 diffs)

trunk/src/VBox/VMM/VMMR0/HWVMXR0.cpp

@@ -223 +223 @@
     {
         /* Allocate one page for the APIC physical page (serves for filtering accesses). */
-        rc = RTR0MemObjAllocCont(&pVM->hwaccm.s.vmx.pMemObjAPIC, PAGE_SIZE, true /* executable R0 mapping */);
+        rc = RTR0MemObjAllocCont(&pVM->hwaccm.s.vmx.pMemObjAPIC, PAGE_SIZE, false /* executable R0 mapping */);
         AssertRC(rc);
         if (RT_FAILURE(rc))
@@ -241 +241 @@
 #ifdef VBOX_WITH_CRASHDUMP_MAGIC
     {
-        rc = RTR0MemObjAllocCont(&pVM->hwaccm.s.vmx.pMemObjScratch, PAGE_SIZE, true /* executable R0 mapping */);
+        rc = RTR0MemObjAllocCont(&pVM->hwaccm.s.vmx.pMemObjScratch, PAGE_SIZE, false /* executable R0 mapping */);
         AssertRC(rc);
         if (RT_FAILURE(rc))
@@ -263 +263 @@
 
         /* Allocate one page for the VM control structure (VMCS). */
-        rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.vmx.hMemObjVMCS, PAGE_SIZE, true /* executable R0 mapping */);
+        rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.vmx.hMemObjVMCS, PAGE_SIZE, false /* executable R0 mapping */);
         AssertRC(rc);
         if (RT_FAILURE(rc))
@@ -276 +276 @@
 
         /* Allocate one page for the virtual APIC page for TPR caching. */
-        rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.vmx.hMemObjVAPIC, PAGE_SIZE, true /* executable R0 mapping */);
+        rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.vmx.hMemObjVAPIC, PAGE_SIZE, false /* executable R0 mapping */);
         AssertRC(rc);
         if (RT_FAILURE(rc))
@@ -288 +288 @@
         if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
         {
-            rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.vmx.pMemObjMSRBitmap, PAGE_SIZE, true /* executable R0 mapping */);
+            rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.vmx.pMemObjMSRBitmap, PAGE_SIZE, false /* executable R0 mapping */);
             AssertRC(rc);
             if (RT_FAILURE(rc))
@@ -300 +300 @@
 #ifdef VBOX_WITH_AUTO_MSR_LOAD_RESTORE
         /* Allocate one page for the guest MSR load area (for preloading guest MSRs during the world switch). */
-        rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.vmx.pMemObjGuestMSR, PAGE_SIZE, true /* executable R0 mapping */);
+        rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.vmx.pMemObjGuestMSR, PAGE_SIZE, false /* executable R0 mapping */);
         AssertRC(rc);
         if (RT_FAILURE(rc))
@@ -311 +311 @@
 
         /* Allocate one page for the host MSR load area (for restoring host MSRs after the world switch back). */
-        rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.vmx.pMemObjHostMSR, PAGE_SIZE, true /* executable R0 mapping */);
+        rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.vmx.pMemObjHostMSR, PAGE_SIZE, false /* executable R0 mapping */);
         AssertRC(rc);
         if (RT_FAILURE(rc))