io_setup(0x400, &(0x7f0000000000)=<r0=>0x0)
r1 = io_uring_setup(0x1ff, &(0x7f0000000000))
io_submit(r0, 0x1, &(0x7f00000001c0)=[&(0x7f0000000380)={0x0, 0x0, 0x0, 0x5, 0x0, r1, 0x0}])