Corpus for keyctl$invalidate:

Coverage	Program
649	add_key$keyring-keyctl$invalidate-keyctl$invalidate
365	perf_event_open-add_key$keyring-keyctl$invalidate-fcntl$addseals
324	add_key$fscrypt_v1-keyctl$invalidate
272	add_key$keyring-add_key$keyring-add_key$keyring-keyctl$invalidate
233	add_key$keyring-keyctl$invalidate
211	add_key$keyring-keyctl$invalidate
86	keyctl$invalidate
54	stat-setresuid-keyctl$invalidate