Corpus for signalfd:

Coverage	Program
3023	mknod$loop-creat-perf_event_open-ioctl$BLKTRACESETUP-close_range-perf_event_open-signalfd-openat-sendfile
696	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-signalfd
531	perf_event_open-socketpair$unix-ioctl$sock_SIOCGIFINDEX_80211-signalfd-sendmsg$unix
282	add_key$keyring-add_key$keyring-add_key$keyring-keyctl$KEYCTL_RESTRICT_KEYRING-keyctl$KEYCTL_RESTRICT_KEYRING-keyctl$KEYCTL_RESTRICT_KEYRING-add_key$keyring-keyctl$KEYCTL_RESTRICT_KEYRING-keyctl$search-request_key-add_key$fscrypt_v1-add_key-add_key$keyring-request_key-keyctl$setperm-perf_event_open-clone3-signalfd
275	perf_event_open-signalfd
110	epoll_create-epoll_create-signalfd4-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-signalfd4-signalfd
88	setrlimit-signalfd
83	add_key$keyring-keyctl$KEYCTL_RESTRICT_KEYRING-keyctl$KEYCTL_RESTRICT_KEYRING-keyctl$KEYCTL_RESTRICT_KEYRING-keyctl$search-request_key-keyctl$search-add_key$fscrypt_v1-add_key$keyring-request_key-keyctl$setperm-perf_event_open-clone3-signalfd
64	close_range-signalfd-signalfd