Corpus for signalfd:

Coverage	Program
4698	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
1566	ioctl$PTP_SYS_OFFSET_EXTENDED-write$P9_RSTAT-syz_mount_image$ext4-mount-open-syz_mount_image$vfat-setfsgid-lsetxattr$system_posix_acl-syz_io_uring_submit-openat$cgroup_pressure-mount$9p_fd-unlinkat-perf_event_open-open-mkdirat-sendmsg$802154_raw-signalfd-name_to_handle_at-fallocate
1566	syz_mount_image$ext4-mount-syz_mount_image$vfat-write$P9_RREADLINK-setfsgid-unlinkat-perf_event_open-open-mkdirat-semctl$IPC_SET-setfsgid-syz_genetlink_get_family_id$mptcp-ioctl$AUTOFS_DEV_IOCTL_CATATONIC-fsetxattr$trusted_overlay_origin-mkdirat-faccessat2-perf_event_open$cgroup-recvmsg$unix-signalfd
1558	perf_event_open-socketpair$unix-ioctl$sock_SIOCGIFINDEX_80211-signalfd-sendmsg$unix
681	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-signalfd
110	epoll_create-epoll_create-signalfd4-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-signalfd4-signalfd
87	setrlimit-signalfd
64	close_range-signalfd-signalfd