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Date:   Wed, 14 Jul 2021 15:28:35 +0200
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Mike Kravetz <mike.kravetz@oracle.com>
Cc:     linux-kernel@vger.kernel.org, stable@vger.kernel.org,
        Jann Horn <jannh@google.com>,
        Youquan Song <youquan.song@intel.com>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Jan Kara <jack@suse.cz>, John Hubbard <jhubbard@nvidia.com>,
        "Kirill A . Shutemov" <kirill@shutemov.name>,
        Matthew Wilcox <willy@infradead.org>,
        Michal Hocko <mhocko@kernel.org>,
        Muchun Song <songmuchun@bytedance.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Sasha Levin <sashal@kernel.org>
Subject: Re: [PATCH 5.13 768/800] hugetlb: address ref count racing in
 prep_compound_gigantic_page
Message-ID: <YO7mg+XT8Ta3iOE8@kroah.com>
References: <20210712060912.995381202@linuxfoundation.org>
 <20210712061048.520052935@linuxfoundation.org>
 <96dcbea1-0b68-47f2-8954-fa36b61fdb0f@oracle.com>
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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@oracle.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