r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
stat(&(0x7f00000001c0)='.\x00', &(0x7f0000001c00)={0x0, 0x0, 0x0, 0x0, <r1=>0x0})
setresuid(0xffffffffffffffff, r1, 0x0)
ioctl$PIO_UNIMAP(r0, 0x4b33, &(0x7f00000000c0)={0x0, 0x0})