r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KDFONTOP_GET(r0, 0x4b52, &(0x7f0000000500)={0x1, 0x1, 0x0, 0x0, 0x0, &(0x7f0000000100)})