Corpus for signalfd4:

Coverage	Program
1233	perf_event_open-timerfd_settime-creat-ioctl$INCFS_IOC_FILL_BLOCKS-ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT-ioctl$FS_IOC_GETFSMAP-ioctl$BTRFS_IOC_START_SYNC-ioctl$BTRFS_IOC_RM_DEV_V2-ioctl$FS_IOC_GETFSMAP-ioctl$sock_SIOCETHTOOL-syz_io_uring_submit-ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT-sendmsg$nl_generic-setsockopt$inet6_opts-signalfd4
1202	epoll_create-signalfd4-epoll_ctl$EPOLL_CTL_ADD-signalfd4
693	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-signalfd4
241	signalfd4
32	signalfd4