Corpus for pidfd_getfd:

Coverage	Program
1117	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-getpid-pidfd_open-openat-pidfd_getfd
431	perf_event_open-socket$inet-pidfd_getfd-bind$inet-connect$inet-setsockopt$inet_tcp_TCP_REPAIR-creat-fcntl$lock-sendto$inet-openat$null-getsockopt$inet_int-sendmsg$NFULNL_MSG_CONFIG-fallocate-openat$vcsu
225	perf_event_open-getpid-ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT-getpid-pidfd_open-openat-pidfd_getfd-openat-pidfd_getfd
197	getpgrp-pidfd_open-inotify_init-perf_event_open-pidfd_getfd
156	perf_event_open-getpid-pidfd_open-pidfd_getfd-pidfd_open
80	perf_event_open-pidfd_getfd
32	pidfd_getfd