r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
creat(&(0x7f0000000040)='./file1\x00', 0x0)
stat(&(0x7f00000001c0)='./file1\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, <r1=>0x0})
setresuid(0x0, r1, 0x0)
ioctl$GIO_UNIMAP(r0, 0x4b66, &(0x7f0000000080)={0x0, 0x0})