Corpus for flock:

Coverage	Program
2567	mknod$loop-creat-perf_event_open-ioctl$BLKTRACESETUP-perf_event_open-perf_event_open-signalfd-ioctl$BLKTRACETEARDOWN-ioctl$BLKTRACETEARDOWN-fcntl$getown-unlink-openat$nvram-openat$loop_ctrl-flock-mmap$IORING_OFF_CQ_RING-io_uring_register$IORING_REGISTER_PERSONALITY-creat-syz_io_uring_submit
2060	openat$vcsu-close_range-close_range-flock-ioctl$TIOCGLCKTRMIOS-perf_event_open-sync
1532	perf_event_open-syz_open_procfs-flock
645	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$inet_tcp-flock
220	syz_init_net_socket$802154_raw-perf_event_open-flock
217	perf_event_open-openat$procfs-flock
152	socket$inet6_udp-flock
140	close_range-inotify_init1-flock
68	perf_event_open-flock
61	openat$vcsu-close_range-openat$full-flock