r0 = getpgrp(0x0)
r1 = pidfd_open(r0, 0x0)
r2 = dup(r1)
stat(&(0x7f0000000140)='.\x00', &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, <r3=>0x0})
setuid(r3)
setns(r2, 0x40000000)