Corpus for keyctl$read:

Coverage	Program
720	perf_event_open-add_key$keyring-add_key$keyring-keyctl$read
637	add_key$keyring-keyctl$revoke-keyctl$read
246	add_key$keyring-keyctl$read
245	add_key$user-keyctl$read
215	add_key$user-keyctl$read
190	stat-setresuid-keyctl$join-keyctl$read
180	stat-setresuid-keyctl$join-keyctl$read