[ebiggers:wip-rng 5/5] ld.lld: error: undefined symbol: crypto_del_default_rng

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git wip-rng
head:   b3d559623a0829567d9f40d2d71da0e63ba7f549
commit: b3d559623a0829567d9f40d2d71da0e63ba7f549 [5/5] crypto: rng - Remove crypto_rng
config: s390-randconfig-001-20260726 (https://download.01.org/0day-ci/archive/20260726/[email protected]/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 890b11e09e45e9d8b29f2f94f22052be3934e757)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260726/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: crypto_del_default_rng
   >>> referenced by crypto_user.c:367 (crypto/crypto_user.c:367)
   >>>               crypto/crypto_user.o:(crypto_del_rng) in archive vmlinux.a

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https://github.com/intel/lkp-tests/wiki