r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) readv(r0, &(0x7f0000000040)=[{&(0x7f0000006d80)=""/218, 0xda}], 0x1) ioctl$TIOCVHANGUP(r0, 0x5437, 0x0)