Corpus for fcntl$dupfd:

Coverage	Program
307	prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-socket$inet6_icmp_raw-fcntl$dupfd-futimesat
53	prlimit64-socket$inet6_tcp-fcntl$dupfd
45	openat$hpet-fcntl$dupfd
44	openat$hpet-fcntl$dupfd
43	openat$sr-socket$inet6_udp-ioctl$sock_SIOCADDRT-fcntl$dupfd-ioctl$FIBMAP-write$cgroup_freezer_state-socket-ioctl$sock_SIOCADDRT-ioctl$TUNSETLINK-syz_read_part_table-openat$sr-ioctl$FIBMAP-sendmsg$TIPC_NL_LINK_SET