Corpus for keyctl$link:

Coverage	Program
531	add_key$keyring-add_key$keyring-keyctl$link
320	add_key$keyring-add_key$keyring-add_key$keyring-keyctl$KEYCTL_RESTRICT_KEYRING-keyctl$link
228	perf_event_open-add_key$fscrypt_v1-keyctl$link
21	clone3-clone3-fork-rt_sigqueueinfo-timer_create-openat$cgroup_devices-getsockopt$inet_udp_int-ioctl$BINDER_GET_NODE_INFO_FOR_REF-keyctl$link-sched_setaffinity-ioctl$TIOCL_GETKMSGREDIRECT-sched_setaffinity-ioctl$BINDER_FREEZE-ioctl$TIOCGLCKTRMIOS