Re: [PATCH 5.10 569/593] hugetlb: address ref count racing in prep_compound_gigantic_page

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On 7/11/21 11:12 PM, Greg Kroah-Hartman wrote:
> From: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
> 
> [ 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.
--
Mike Kravetz



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