r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
r1 = syz_open_dev$tty20(0xc, 0x4, 0x0)
ioctl$VT_DISALLOCATE(r1, 0x5608)
ioctl$VT_OPENQRY(r0, 0x5600, &(0x7f00000005c0))