r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDFONTOP_GET(r0, 0x4b72, &(0x7f0000000a40)={0x1, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000640)})