r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$TIOCVHANGUP(r0, 0x5437, 0x0)
ioctl$TIOCSPTLCK(r0, 0x40045431, 0x0)
ioctl$TIOCSRS485(0xffffffffffffffff, 0x542f, 0x0)