On Thu, 11 Aug 2022 17:23:14 -0400 Peter Xu <peterx@xxxxxxxxxx> wrote: > On Thu, Aug 11, 2022 at 02:11:44PM -0700, Andrew Morton wrote: > > On Thu, 11 Aug 2022 16:13:40 -0400 Peter Xu <peterx@xxxxxxxxxx> wrote: > > > > > I added a Fixes upon introducing of uffd-wp shmem+hugetlbfs because that's > > > the only issue reported so far and that's the commit David's reproducer > > > will start working (v5.19+). But the whole idea actually applies to not > > > only file memories but also anonymous. It's just that we don't need to fix > > > anonymous prior to v5.19- because there's no known way to exploit. > > > > I added a cc:stable to this. > > Thanks, Andrew. I'll remember to do so in future patches when Fixes apply. > Only if we want the fix to be backported! I mean, it's legitimate and sensible to add a Fixes: to a patch which fixes a comment typo, but we don't want that backported. And sometimes a fix is too complex and the problem too small to warrant a backport, but we still want that Fixes: tag.