io_setup(0x8, &(0x7f0000000040)=0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) io_submit(r0, 0x1, &(0x7f0000001e00)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x5, 0x0, r2, 0x0}]) dup3(r2, r1, 0x0)