On 22.03.2024 14:39, Stewart Hildebrand wrote: > On 3/19/24 09:26, Jan Beulich wrote: >> At least XENMEM_memory_exchange can have huge values passed in the >> nr_extents and nr_exchanged fields. Adding such values to pointers can >> overflow, resulting in UB. Cast respective pointers to "unsigned long" > > Why not uintptr_t?
Because, like Linux, so far we've been using unsigned long in preference. That might change ... Jan
