linux-kernel - Re: [PATCH 5.13 768/800] hugetlb: address ref count racing in prep_compound_gigantic

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <YO7mg+XT8Ta3iOE8@kroah.com>
Date:   Wed, 14 Jul 2021 15:28:35 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Mike Kravetz <mike.kravetz@...cle.com>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Jann Horn <jannh@...gle.com>,
        Youquan Song <youquan.song@...el.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Jan Kara <jack@...e.cz>, John Hubbard <jhubbard@...dia.com>,
        "Kirill A . Shutemov" <kirill@...temov.name>,
        Matthew Wilcox <willy@...radead.org>,
        Michal Hocko <mhocko@...nel.org>,
        Muchun Song <songmuchun@...edance.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 5.13 768/800] hugetlb: address ref count racing in
 prep_compound_gigantic_page

On Tue, Jul 13, 2021 at 02:38:26PM -0700, Mike Kravetz wrote:
> On 7/11/21 11:13 PM, Greg Kroah-Hartman wrote:
> > From: Mike Kravetz <mike.kravetz@...cle.com>
> > 
> > [ Upstream commit 7118fc2906e2925d7edb5ed9c8a57f2a5f23b849 ]
> > 
> 
> Please do not add or the requisite patch to stable tree.
> 
> Although this is a real potential issue, it was only found during code
> inspection.  It has existed for more than 10 years and I am unaware of
> anyone hitting this in actual use.  In addition, this proposed fix will
> likely be updated/simplified based on more discussions.

Now dropped from all queues, thanks.

greg k-h