r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$PIO_UNIMAP(r0, 0x4b67, &(0x7f0000000240)={0x1, &(0x7f0000000000)=[{}]})
fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff)