From: Andrew Morton <akpm@linux-foundation.org>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Mina Almasry <almasrymina@google.com>,
YueHaibing <yuehaibing@huawei.com>,
Axel Rasmussen <axelrasmussen@google.com>,
Peter Xu <peterx@redhat.com>,
Mike Kravetz <mike.kravetz@oracle.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: Make copy_huge_page() always available
Date: Tue, 13 Jul 2021 19:12:44 -0700 [thread overview]
Message-ID: <20210713191244.553680171f9fab3bf6e0889b@linux-foundation.org> (raw)
In-Reply-To: <20210712153207.39302-1-willy@infradead.org>
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?
next prev parent reply other threads:[~2021-07-14 2:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-12 15:32 Matthew Wilcox (Oracle)
2021-07-12 17:52 ` Mike Kravetz
2021-07-12 19:32 ` Mina Almasry
2021-07-14 2:12 ` Andrew Morton [this message]
2021-07-14 2:20 ` Matthew Wilcox
2021-07-14 16:09 ` Linus Torvalds
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210713191244.553680171f9fab3bf6e0889b@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=almasrymina@google.com \
--cc=axelrasmussen@google.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mike.kravetz@oracle.com \
--cc=peterx@redhat.com \
--cc=torvalds@linux-foundation.org \
--cc=willy@infradead.org \
--cc=yuehaibing@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox