Corpus for fcntl$setsig:

Coverage	Program
890	perf_event_open-socket$inet6_udp-signalfd-socket$nl_generic-creat-fcntl$setlease-write-fcntl$setsig-fcntl$setown-open-getsockopt$SO_COOKIE-dup2-getsockopt$SO_COOKIE-getsockopt$SO_COOKIE-dup2-io_uring_setup
64	openat$tcp_congestion-fcntl$setsig