r0 = syz_io_uring_setup(0x68d4, &(0x7f0000000100), &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000080), &(0x7f00000002c0))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000000500), 0x100000000000030d)
io_uring_register$IORING_UNREGISTER_BUFFERS(r0, 0x1, 0x0, 0x0)