r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0)
stat(&(0x7f0000001cc0)='.\x00', &(0x7f0000001c00)={0x0, 0x0, 0x0, 0x0, <r1=>0x0})
setresuid(0x0, r1, 0x0)
fchown(r0, 0x0, 0x0)