Corpus for keyctl$unlink:

Coverage	Program
1314	perf_event_open-add_key$keyring-keyctl$unlink
1024	keyctl$unlink-sendmsg$TIPC_CMD_SHOW_LINK_STATS-syz_io_uring_setup-syz_io_uring_submit-syz_init_net_socket$nl_generic
335	perf_event_open-add_key$keyring-add_key$user-keyctl$unlink
311	add_key$keyring-keyctl$unlink-keyctl$revoke
263	add_key$keyring-add_key$keyring-keyctl$unlink
247	add_key$keyring-add_key$keyring-keyctl$unlink
209	add_key$fscrypt_v1-keyctl$unlink
118	keyctl$unlink
47	keyctl$unlink