r0 = io_uring_setup(0x2501, &(0x7f00000001c0))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000002340)=[{&(0x7f0000000340)=""/4096, 0x1000}], 0x1)
io_uring_register$IORING_UNREGISTER_BUFFERS(r0, 0x1, 0x0, 0x0)