On 6/27/23 08:01, Julia Lawall wrote: > If it is certain that no overflow is possible, then perhaps it is fine to > drop the patch? It's impossible in practice in this case because the code is 64-bit only and uses an 'unsigned long'. But, like I said, I can see that same vmalloc() being copied-and-pasted or moved to a 32-bit system and theoretically causing problems in rare scenarios. I'd probably just drop this patch.