Corpus for wait4:
Coverage Program
8012 setsockopt$inet_mreqsrc-openat-pwrite64-mmap$IORING_OFF_SQ_RING-ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER-mmap$IORING_OFF_SQ_RING-ioctl$FS_IOC_SETFLAGS-fork-tkill-tkill-wait4
2873 socketpair$unix-connect$unix-sendmmsg$unix-dup3-syz_open_dev$vcsu-syz_init_net_socket$bt_l2cap-getsockopt$bt_BT_RCVMTU-openat$dir-fork-tkill-wait4-fork-tkill-wait4
2219 wait4-getrusage-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nl802154-sendmsg$NL802154_CMD_NEW_SEC_DEVKEY-sendmsg$NL802154_CMD_NEW_SEC_KEY
2013 perf_event_open-ioctl$PERF_EVENT_IOC_ENABLE-syz_init_net_socket$bt_sco-openat$bsg-fchdir-creat-ioctl$FS_IOC_RESVSP-fork-ptrace-wait4
1442 ioctl$SECCOMP_IOCTL_NOTIF_RECV-ptrace$PTRACE_SECCOMP_GET_METADATA-ioctl$SECCOMP_IOCTL_NOTIF_RECV-ptrace$setregs-sendmsg$NL80211_CMD_JOIN_OCB-ioctl$RTC_VL_CLR-ioctl$SECCOMP_IOCTL_NOTIF_SEND-ioctl$SECCOMP_IOCTL_NOTIF_RECV-ioctl$SECCOMP_IOCTL_NOTIF_SEND-ptrace$setregset-fork-fork-wait4
863 fork-tkill-syz_open_dev$loop-wait4
769 perf_event_open-tkill-fork-tkill-wait4
759 fork-tkill-syz_open_dev$loop-wait4
478 pread64-fork-tkill-wait4-pipe2-perf_event_open-syz_emit_vhci
138 perf_event_open-wait4
80 getpid-wait4
79 gettid-wait4
72 getpid-perf_event_open-wait4
35 wait4
18 wait4