r0 = syz_open_dev$tty20(0xc, 0x4, 0x1)
r1 = socket$nl_xfrm(0x10, 0x3, 0x6)
getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000000)={0x0, <r2=>0x0}, &(0x7f0000000040)=0x5)
setuid(r2)
ioctl$KDFONTOP_GET(r0, 0x4b72, &(0x7f0000000000)={0x1, 0x0, 0xf, 0x13, 0x170, 0x0})