r0 = getpgrp(0x0)
stat(&(0x7f0000000180)='.\x00', &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, <r1=>0x0})
setreuid(0xffffffffffffffff, r1)
r2 = pidfd_open(r0, 0x0)
r3 = dup(r2)
setns(r3, 0x8000000)