Corpus for pidfd_send_signal:

Coverage	Program
549	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-pidfd_send_signal
207	getpgrp-pidfd_open-pidfd_send_signal
103	getpgrp-pidfd_open-pidfd_send_signal
103	ioctl$BLKTRACESETUP-getpgrp-pidfd_open-pidfd_send_signal
103	openat$pidfd-pidfd_send_signal
81	perf_event_open-pidfd_send_signal
49	unshare-openat-pidfd_send_signal
33	pidfd_send_signal