Corpus for ioctl$FIONREAD:

Coverage	Program
4523	perf_event_open-syz_open_procfs-readv-readv-readv-getpgrp-syz_open_procfs-preadv-ioctl$FIONREAD-getdents-mount$9p_unix-write$P9_RXATTRCREATE-unshare
3112	perf_event_open-ioctl$SECCOMP_IOCTL_NOTIF_RECV-syz_open_procfs-readv-syz_open_procfs-ioctl$FIONREAD-ioctl$FIONREAD-syz_mount_image$ext4-mount$9p_unix-ioctl$sock_SIOCGPGRP-openat-preadv-stat-openat-open-syz_genetlink_get_family_id$gtp-ioctl$EXT4_IOC_MOVE_EXT-mount$9p_fd
476	perf_event_open-pipe-write$P9_RATTACH-ioctl$FIONREAD
472	syz_open_dev$tty20-ioctl$FIONREAD
317	pipe-ioctl$FIONREAD
170	syz_open_dev$tty1-syz_open_dev$tty1-ioctl$VT_SETMODE-ioctl$FIONREAD-ioctl$VT_SETMODE-ioctl$VT_RESIZEX-getpgrp-pidfd_open-syz_open_procfs
149	perf_event_open-pipe-ioctl$FIONREAD
107	openat$nvram-ioctl$FIONREAD
104	openat$vcsa-ioctl$FIONREAD