r0 = syz_io_uring_setup(0x77b6, &(0x7f0000000000), &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000000180), &(0x7f0000001240))
io_uring_register$IORING_UNREGISTER_BUFFERS(r0, 0x1e, 0x0, 0x0)