Corpus for ioctl$KDGKBMODE:

Coverage	Program
1195	perf_event_open-syz_open_dev$tty1-ioctl$KDGKBMODE-sendfile
534	syz_open_dev$tty1-ioctl$KDGKBMODE
202	syz_open_dev$tty1-ioctl$KDGKBMODE
160	syz_open_dev$tty1-ioctl$KDGKBMODE