r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
r1 = syz_open_dev$tty20(0xc, 0x4, 0x0)
ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000000)=0x1b)
syz_open_pts(r0, 0x0)