vm_block_address_range
status_t vm_block_address_range(const char* name, void* address, addr_t size);
vm_block_address_range("overflow protection", lastPage, B_PAGE_SIZE);
vm_block_address_range("uninitialized heap memory",
vm_block_address_range("uninitialized heap memory",
vm_block_address_range("freed heap memory",
vm_block_address_range("freed heap memory",