On Tue, Jan 25, 2022 at 6:25 PM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > > On Tue, 18 Jan 2022 17:21:09 -0800 Yury Norov <yury.norov@xxxxxxxxx> wrote: > > > vmap() takes struct page *pages as one of arguments, and user may provide > > an invalid pointer which would lead to data abort at address translation > > later. > > Does "user" mean userspace code? > > If so, please tell us much more about the means by which userspace can > trigger this problem. User means user of vmap() API. The discussion is here: https://lore.kernel.org/linux-mm/20220118235244.540103-1-yury.norov@xxxxxxxxx/ I'll send v3 soon with more details in the patch description.
