Corpus for ioctl$FIONREAD:

Coverage	Program
4956	openat-socket$nl_generic-sendmsg$NL80211_CMD_DEL_TX_TS-ftruncate-mmap$IORING_OFF_SQ_RING-syz_io_uring_submit-dup2-ioctl$FS_IOC_FSSETXATTR-socket$inet_icmp_raw-ioctl$BTRFS_IOC_SNAP_DESTROY_V2-fsetxattr$security_capability-syz_open_dev$tty1-ioctl$FIONREAD-perf_event_open-write$binfmt_script
551	syz_open_dev$tty20-ioctl$FIONREAD
458	syz_open_dev$tty20-ioctl$FIONREAD
405	openat-fork-ioctl$FIONREAD
373	pipe2-ioctl$FIONREAD
203	syz_open_dev$tty20-perf_event_open-ioctl$FIONREAD
181	openat$sr-ioctl$FIONREAD
168	syz_open_dev$tty20-perf_event_open-ioctl$FIONREAD
165	syz_open_dev$tty20-perf_event_open-ioctl$FIONREAD
118	pipe2$9p-write$P9_RAUTH-ioctl$FIONREAD
112	openat$hpet-ioctl$FIONREAD
109	syz_mount_image$ext4-openat-ioctl$FIONREAD-syz_mount_image$msdos-getdents64-mkdirat