Messages in this thread | | | Date | Tue, 13 Jul 2021 19:12:44 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] mm: Make copy_huge_page() always available |
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On Mon, 12 Jul 2021 16:32:07 +0100 "Matthew Wilcox (Oracle)" <willy@infradead.org> 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?
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