Corpus for accept4:

Coverage	Program
1014	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-accept4
566	socket$inet6_tcp-accept4
553	syz_init_net_socket$bt_sco-accept4
552	socket$inet6_tcp-accept4
546	socketpair$nbd-accept4
532	syz_init_net_socket$bt_l2cap-accept4
529	socketpair$nbd-accept4
22	prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-accept4
20	accept4