On Mon, Jun 28, 2023 at 04:48:36PM +0000, Christoph Hellwig wrote: > They are long long in the UAPI, which is weird but has been that way > for a long time. So I think we need checks for negative values > before they are shifted and converted to a sector_t. Do you mean that we need to check if p.start and p.length are negative? Thanks for your reply Min li