r0 = io_uring_setup(0xc52, &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f00000000c0)=[{0x0}], 0x1) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, 0x0, 0x0)