Corpus for keyctl$link:

Coverage	Program
3099	perf_event_open-add_key$keyring-add_key-add_key$keyring-keyctl$unlink-keyctl$KEYCTL_MOVE-add_key-keyctl$clear-creat-mkdirat$cgroup_root-add_key$fscrypt_v1-add_key$keyring-keyctl$link-keyctl$get_persistent-mkdirat$cgroup_root-request_key-mkdirat$cgroup_root-mkdirat$cgroup_root-add_key$keyring-keyctl$link
801	add_key$user-add_key$keyring-add_key$keyring-keyctl$KEYCTL_RESTRICT_KEYRING-keyctl$link
314	add_key$keyring-add_key$keyring-add_key$keyring-keyctl$KEYCTL_RESTRICT_KEYRING-keyctl$link
310	add_key$keyring-add_key$keyring-add_key$keyring-keyctl$link