linux-kernel - Re: [PATCH 5.10 STABLE] s390/pci_mmio: fully validate the VMA before calling follow

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Date:   Thu, 23 Sep 2021 10:03:42 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     David Hildenbrand <david@...hat.com>
Cc:     stable@...r.kernel.org, linux-kernel@...r.kernel.org,
        Niklas Schnelle <schnelle@...ux.ibm.com>,
        "Liam R . Howlett" <Liam.Howlett@...cle.com>
Subject: Re: [PATCH 5.10 STABLE] s390/pci_mmio: fully validate the VMA before
 calling follow_pte()

On Mon, Sep 20, 2021 at 03:17:49PM +0200, David Hildenbrand wrote:
> commit a8b92b8c1eac8d655a97b1e90f4d83c25d9b9a18 upstream.
> 
> Note: We don't have vma_lookup() in the 5.4-stable tree, so perform the VMA
> check manually.

Both backports now queued up, thanks.

greg k-h