r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
r1 = fcntl$dupfd(r0, 0x0, r0)
ioctl$KDFONTOP_GET(r1, 0x4b72, &(0x7f0000000400)={0x1, 0x0, 0x15, 0x18, 0x17d})