[openeuler:OLK-6.6 3342/7652] ld.lld: error: undefined symbol: public_key_free

[openeuler:OLK-6.6 3342/7652] ld.lld: error: undefined symbol: public_key_free

[kernel test robot]

tree:   https://gitee.com/openeuler/kernel.git OLK-6.6
head:   afd82dd979acad2f99b9d30f8ce8463ca4153a05
commit: 43d4042e06d2bf96adf67d25e8d91653507a4cf9 [3342/7652] KEYS: Provide a function to load keys from a PGP keyring blob
config: x86_64-buildonly-randconfig-006-20240508 (https://download.01.org/0day-ci/archive/20240508/202405081222.HGBT9mha-lkp@intel.com/config)
compiler: clang version 18.1.4 (https://github.com/llvm/llvm-project e6c3289804a67ea0bb6a86fadbe454dd93b8d855)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240508/202405081222.HGBT9mha-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405081222.HGBT9mha-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: public_key_free
   >>> referenced by usercopy_64.c
   >>>               vmlinux.o:(pgp_key_parse)
--
>> ld.lld: error: undefined symbol: public_key_subtype
   >>> referenced by usercopy_64.c
   >>>               vmlinux.o:(pgp_key_parse)

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for PGP_KEY_PARSER
   Depends on [n]: CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y] && ASYMMETRIC_PUBLIC_KEY_SUBTYPE [=n]
   Selected by [y]:
   - PGP_PRELOAD [=y] && CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y]

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