Corpus for waitid:

Coverage	Program
3318	perf_event_open-io_cancel-fork-ptrace-ptrace$setregs-openat$sr-setsockopt$inet_tcp_TCP_FASTOPEN_KEY-ioctl$sock_ipv6_tunnel_SIOCCHGPRL-perf_event_open-perf_event_open-fork-ptrace-waitid
2997	perf_event_open-perf_event_open-socket$inet_tcp-perf_event_open-gettid-getpid-pidfd_open-timer_create-waitid-syz_open_procfs-readv-fork-fork-kcmp
2099	ioctl$BTRFS_IOC_SET_RECEIVED_SUBVOL-getpid-ioctl$AUTOFS_DEV_IOCTL_REQUESTER-ioctl$EVIOCREVOKE-ioctl$SECCOMP_IOCTL_NOTIF_RECV-waitid-syz_open_dev$ptys-ioctl$BTRFS_IOC_INO_LOOKUP-ioctl$SECCOMP_IOCTL_NOTIF_RECV-ioctl$TCSETS-io_setup-eventfd2-io_submit-syz_open_dev$ttys-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$netlbl_calipso-sendmsg$NLBL_CALIPSO_C_LIST
1817	perf_event_open-ioctl$TIOCGPGRP-openat$ptmx-dup2-openat$binderfs-socket$inet_tcp-socket$inet6_tcp-bind$inet6-setsockopt$inet6_int-connect$inet6-sendmsg$netlink-waitid-syz_io_uring_complete-perf_event_open-newfstatat-setresuid-ioctl$AUTOFS_DEV_IOCTL_REQUESTER-creat-open_tree
899	add_key$keyring-perf_event_open-fork-ptrace-waitid
252	socket$unix-dup3-mmap-socket$nl_xfrm-bind$unix-waitid
150	capget-capset-gettid-ptrace$getregs-gettid-ptrace$getregs-waitid-fork-capset-capget-ptrace-fork-fork-gettid-gettid-ptrace$getregs-sched_setattr
140	capget-capset-gettid-ptrace$getregs-gettid-ptrace$getregs-waitid-fork-capset-capget-ptrace-fork-fork-gettid-gettid-ptrace$getregs-sched_setattr
73	syz_io_uring_setup-gettid-openat$null-waitid
57	waitid
23	waitid
18	waitid
17	waitid