io_setup(0x572, &(0x7f0000000140)=<r0=>0x0)
pipe(&(0x7f00000000c0)={<r1=>0xffffffffffffffff})
io_submit(r0, 0x1, &(0x7f0000000440)=[&(0x7f0000000100)={0x0, 0x0, 0x8, 0x0, 0x0, r1, &(0x7f0000000000)='x', 0x1}])