Hi,
With release of kernel 6.3.0-rc1, module vboxdrv.ko fails to build. The errors
are because a user can no longer write directly info the vm_flags member of
struct vm_area_struct. Instead, the vm_flags_set() wrapper function must be used
as show in the attached patch.
This patch is released under the MIT license.
Larry
Patch to fix VirtualBox builds on kernel 6.3.0 and newer
Beginning with 6.3, a user is no longer allowed to write directly info
the vm_flags member of struct vm_area_struct. It is now necessary to use
the vm_flags_set() wrapper. Two locations in memobj-r0drv-linux.c are
affected.
Signed-off-by: Larry Finger <larry.fin...@lwfinger.net>
Index: VirtualBox-7.0.6/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c
===================================================================
--- VirtualBox-7.0.6.orig/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c
+++ VirtualBox-7.0.6/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c
@@ -1401,8 +1401,12 @@ DECLHIDDEN(int) rtR0MemObjNativeLockUser
while (rc-- > 0)
{
flush_dcache_page(pMemLnx->apPages[rc]);
- papVMAs[rc]->vm_flags |= VM_DONTCOPY | VM_LOCKED;
- }
+# if RTLNX_VER_MIN(6, 3, 0)
+ vm_flags_set(papVMAs[rc], VM_DONTCOPY | VM_LOCKED);
+#else
+ papVMAs[rc]->vm_flags |= VM_DONTCOPY | VM_LOCKED;
+#endif
+ }
LNX_MM_UP_READ(pTask->mm);
@@ -1873,7 +1877,11 @@ DECLHIDDEN(int) rtR0MemObjNativeMapUser(
/* Thes flags help making 100% sure some bad stuff wont happen (swap, core, ++).
* See remap_pfn_range() in mm/memory.c */
#if RTLNX_VER_MIN(3,7,0)
+# if RTLNX_VER_MIN(6, 3, 0)
+ vm_flags_set(vma, VM_DONTEXPAND | VM_DONTDUMP);
+#else
vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
+#endif
#else
vma->vm_flags |= VM_RESERVED;
#endif
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