Source: linux Version: 5.8.3-1~exp1 Severity: serious tags: patch Hello, as explained on upstream ticket [1], the new kernel broke virtualbox, and the only fix that has been found so far is to export map_kernel_range and __get_vm_area_caller to modules
https://www.virtualbox.org/attachment/ticket/19644/local_patches This trivial patch does the trick diff --git a/mm/vmalloc.c b/mm/vmalloc.c --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -325,6 +325,7 @@ int map_kernel_range(unsigned long start, unsigned long size, pgprot_t prot, flush_cache_vmap(start, start + size); return ret; } +EXPORT_SYMBOL(map_kernel_range); int is_vmalloc_or_module_addr(const void *x) { @@ -2130,6 +2131,7 @@ struct vm_struct *__get_vm_area_caller(unsigned long size, unsigned long flags, return __get_vm_area_node(size, 1, flags, start, end, NUMA_NO_NODE, GFP_KERNEL, caller); } +EXPORT_SYMBOL(__get_vm_area_caller); /** * get_vm_area - reserve a contiguous kernel virtual area [1] https://www.virtualbox.org/ticket/19644 thanks Gianfranco