On Wed, Oct 5, 2022 at 5:41 PM Ashish Kalra <Ashish.Kalra@xxxxxxx> wrote: > > Yes, on one of our AMD EPYC processors, num_ghes is 32776 and we get the following call trace due to vmalloc() failure beacuse of the overflow: But int should be more than sufficient to accommodate that number. I think that the overflow takes place during the execution of this statement: len += (num_ghes * GHES_ESOURCE_PREALLOC_MAX_SIZE); because the right-hand side of it is of type int, because both multiplication operands are int. You should say that in the changelog.
