r0 = syz_io_uring_setup(0x3a2d, &(0x7f0000000480), &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000000280), &(0x7f0000000340))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x8, &(0x7f0000000300), 0x500)