On Tue, Jul 13, 2021 at 07:12:44PM -0700, Andrew Morton wrote: > On Mon, 12 Jul 2021 16:32:07 +0100 "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> wrote: > > > Rewrite copy_huge_page() and move it into mm/util.c so it's always > > available. Fixes an exposure of uninitialised memory on configurations > > with HUGETLB and UFFD enabled and MIGRATION disabled. > > Wait. Exposing uninitialized memory is serious. Can we please include > full info on this flaw and decide whether a -stable backport is justified? > If not, why not, etc? Well, the code was only merged this merge window, so as long as it goes in in the next few weeks, there's no need to trouble -stable with it.
