pipe(&(0x7f0000000000)={<r0=>0xffffffffffffffff})
pipe(&(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
pipe(&(0x7f00000000c0)={<r2=>0xffffffffffffffff, <r3=>0xffffffffffffffff})
splice(r2, 0x0, r1, 0x0, 0x5, 0x0)
dup2(r0, r3)