r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000000040))
ioctl$GIO_SCRNMAP(r0, 0x4b40, &(0x7f0000000080)=""/216)