Corpus for wait4:
Coverage Program
982 seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-fork-ptrace-wait4
683 fork-tkill-wait4
447 fork-ptrace-ptrace-fcntl$getown-ioctl-wait4-fork-ptrace-ptrace-fork-ptrace-ptrace-syz_open_procfs-pread64
239 perf_event_open-fork-ptrace-ioctl$TUNATTACHFILTER-wait4
172 fork-ptrace-wait4
162 perf_event_open-syz_mount_image$vfat-openat-perf_event_open-fork-ptrace-syz_io_uring_setup-ptrace$pokeuser-getpid-write$P9_RREADLINK-openat-write$cgroup_pid-wait4-perf_event_open
114 perf_event_open-wait4
107 fork-wait4
82 wait4
74 gettid-seccomp$SECCOMP_SET_MODE_STRICT-wait4
56 wait4
36 wait4