Corpus for keyctl$read:

Coverage	Program
370	perf_event_open-setresuid-keyctl$join-keyctl$read-ioctl$AUTOFS_DEV_IOCTL_PROTOVER-sendmsg$inet6-bind$inet6
351	perf_event_open-keyctl$invalidate-keyctl$set_timeout-keyctl$chown-add_key$user-lstat-keyctl$KEYCTL_RESTRICT_KEYRING-keyctl$chown-pwrite64-syz_genetlink_get_family_id$ieee802154-syz_init_net_socket$nl_generic-keyctl$read-syz_genetlink_get_family_id$ieee802154-sendmsg$IEEE802154_ADD_IFACE
276	add_key-keyctl$revoke-keyctl$read
246	add_key$user-keyctl$read
241	add_key$keyring-keyctl$read
221	add_key$fscrypt_v1-keyctl$read
44	keyctl$read