[PATCH v2 2/3] lockdown/kunit: Introduce kunit tests

[kernel test robot]

Hi Nikolay,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.16 next-20250728]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Nikolay-Borisov/lockdown-Switch-implementation-to-using-bitmap/20250728-191807
base:   linus/master
patch link:    https://lore.kernel.org/r/20250728111517.134116-3-nik.borisov%40suse.com
patch subject: [PATCH v2 2/3] lockdown/kunit: Introduce kunit tests
config: i386-randconfig-004-20250729 (https://download.01.org/0day-ci/archive/20250729/202507291419.PQ4uKtRo-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250729/202507291419.PQ4uKtRo-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507291419.PQ4uKtRo-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

WARNING: modpost: missing MODULE_DESCRIPTION() in security/lockdown/lockdown_test.o
>> ERROR: modpost: "lock_kernel_down" [security/lockdown/lockdown_test.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki