--- emulators/virtualbox-ose/Makefile	(revision 549723)
+++ emulators/virtualbox-ose/Makefile	(working copy)
@@ -3,7 +3,7 @@ 
 
 PORTNAME=	virtualbox-ose
 PORTVERSION=	5.2.44
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	emulators
 MASTER_SITES=	https://download.oracle.com/virtualbox/${PORTVERSION}/
 DISTFILES=	VirtualBox-${PORTVERSION}${EXTRACT_SUFX} ${GUESTADDITIONS}
--- emulators/virtualbox-ose/files/patch-src_VBox_Runtime_r0drv_freebsd_memobj-r0drv-freebsd.c	(revision 549723)
+++ emulators/virtualbox-ose/files/patch-src_VBox_Runtime_r0drv_freebsd_memobj-r0drv-freebsd.c	(working copy)
@@ -114,6 +114,16 @@ 
                  vm_page_unlock_queues();
  #endif
              }
+@@ -323,7 +323,8 @@
+     size_t      cPages = atop(pMemFreeBSD->Core.cb);
+     int         rc;
+ 
+-    pMemFreeBSD->pObject = vm_object_allocate(OBJT_PHYS, cPages);
++    pMemFreeBSD->pObject = vm_pager_allocate(OBJT_PHYS, NULL,
++      pMemFreeBSD->Core.cb, VM_PROT_ALL, 0, curthread->td_ucred);
+ 
+     /* No additional object reference for auto-deallocation upon unmapping. */
+ #if __FreeBSD_version >= 1000055
 @@ -364,58 +364,77 @@ static int rtR0MemObjFreeBSDAllocHelper(PRTR0MEMOBJFRE
  }
  DECLHIDDEN(int) rtR0MemObjNativeAllocPage(PPRTR0MEMOBJINTERNAL ppMem, size_t cb, bool fExecutable)
@@ -200,7 +210,7 @@ 
      uint32_t   cPages = atop(cb);
      vm_paddr_t VmPhysAddrHigh;
  
-@@ -432,7 +452,10 @@ static int rtR0MemObjFreeBSDAllocPhysPages(PPRTR0MEMOB
+@@ -432,10 +452,14 @@ static int rtR0MemObjFreeBSDAllocPhysPages(PPRTR0MEMOB
      PRTR0MEMOBJFREEBSD pMemFreeBSD = (PRTR0MEMOBJFREEBSD)rtR0MemObjNew(sizeof(*pMemFreeBSD),
                                                                         enmType, NULL, cb);
      if (!pMemFreeBSD)
@@ -209,8 +219,13 @@ 
          return VERR_NO_MEMORY;
 +    }
  
-     pMemFreeBSD->pObject = vm_object_allocate(OBJT_PHYS, atop(cb));
+-    pMemFreeBSD->pObject = vm_object_allocate(OBJT_PHYS, atop(cb));
++    pMemFreeBSD->pObject = vm_pager_allocate(OBJT_PHYS, NULL, cb, VM_PROT_ALL,
++       0, curthread->td_ucred);
  
+     if (PhysHighest != NIL_RTHCPHYS)
+         VmPhysAddrHigh = PhysHighest;
+ 
 @@ -470,6 +493,7 @@ static int rtR0MemObjFreeBSDAllocPhysPages(PPRTR0MEMOB
          rtR0MemObjDelete(&pMemFreeBSD->Core);
      }
--- emulators/virtualbox-ose/files/patch-src_VBox_Runtime_r0drv_freebsd_the-freebsd-kernel.h	(revision 549723)
+++ emulators/virtualbox-ose/files/patch-src_VBox_Runtime_r0drv_freebsd_the-freebsd-kernel.h	(working copy)
@@ -1,4 +1,4 @@ 
---- src/VBox/Runtime/r0drv/freebsd/the-freebsd-kernel.h.orig	2018-10-15 14:31:31 UTC
+--- src/VBox/Runtime/r0drv/freebsd/the-freebsd-kernel.h.orig	2020-07-09 16:57:38 UTC
 +++ src/VBox/Runtime/r0drv/freebsd/the-freebsd-kernel.h
 @@ -60,6 +60,7 @@
  #include <sys/smp.h>
@@ -8,7 +8,11 @@ 
  #include <vm/vm.h>
  #include <vm/pmap.h>            /* for vtophys */
  #include <vm/vm_map.h>
-@@ -70,7 +71,6 @@
+@@ -67,10 +68,10 @@
+ #include <vm/vm_kern.h>
+ #include <vm/vm_param.h>        /* KERN_SUCCESS ++ */
+ #include <vm/vm_page.h>
++#include <vm/vm_pager.h>
  #include <vm/vm_phys.h>         /* vm_phys_alloc_* */
  #include <vm/vm_extern.h>       /* kmem_alloc_attr */
  #include <vm/vm_pageout.h>      /* vm_contig_grow_cache */
@@ -16,7 +20,7 @@ 
  #include <sys/resourcevar.h>
  #include <machine/cpu.h>
  
-@@ -114,6 +114,24 @@
+@@ -114,6 +115,24 @@
   */
  #if 0 /** @todo Not available yet. */
  # define USE_KMEM_ALLOC_PROT
--- emulators/virtualbox-ose-kmod/Makefile	(revision 549723)
+++ emulators/virtualbox-ose-kmod/Makefile	(working copy)
@@ -3,7 +3,7 @@ 
 
 PORTNAME=	virtualbox-ose
 PORTVERSION=	5.2.44
-PORTREVISION=	1
+PORTREVISION=	3
 CATEGORIES=	emulators
 MASTER_SITES=	https://download.oracle.com/virtualbox/${PORTVERSION}/
 PKGNAMESUFFIX=	-kmod