Corpus for shmctl$SHM_LOCK:

Coverage	Program
1350	shmat-mlock-munlock-shmctl$SHM_LOCK-madvise-shmctl$SHM_UNLOCK
519	setresuid-shmget$private-shmctl$SHM_LOCK
152	perf_event_open-shmget$private-shmctl$SHM_LOCK
107	socket$nl_xfrm-getsockopt$sock_cred-setuid-shmget$private-shmctl$SHM_LOCK
101	shmat-shmctl$SHM_LOCK-mlock-munlock-madvise