Corpus for keyctl$invalidate:

Coverage	Program
365	add_key$keyring-perf_event_open-keyctl$invalidate
206	keyctl$read-add_key$fscrypt_v1-add_key$fscrypt_v1-add_key$keyring-add_key$keyring-add_key$keyring-add_key$keyring-add_key$keyring-add_key$keyring-add_key$keyring-add_key$keyring-add_key-keyctl$KEYCTL_MOVE-keyctl$invalidate-add_key$keyring-add_key$keyring
34	setresuid-keyctl$invalidate