On Tue, Jun 28, 2022 at 10:54:58AM -0700, Kees Cook wrote: > which must also be assuming it's a header. So probably better to just > drop the driver_data field? I don't see anything using it (that I can > find) besides as a sanity-check that the field exists and is at the end > of the struct. The field is guaranteeing alignment of the following structure. IIRC there are a few cases that we don't have a u64 already to force this. Jason