Corpus for gettid:

Coverage	Program
4618	syz_init_net_socket$bt_sco-socket$netlink-getsockopt$sock_cred-perf_event_open-socket$inet6_tcp-bind$inet6-syz_open_procfs-mkdirat-connect$inet6-connect$inet6-sendmmsg$inet6-getsockname-ioctl$sock_inet6_SIOCSIFDSTADDR-accept4$bt_l2cap-syz_init_net_socket$802154_dgram-setsockopt$WPAN_SECURITY_LEVEL-sendmmsg$unix-gettid-gettid-rt_sigqueueinfo
24	gettid