Re: [PATCH 5.10 STABLE] s390/pci_mmio: fully validate the VMA before calling follow_pte()

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Subject: Re: [PATCH 5.10 STABLE] s390/pci_mmio: fully validate the VMA before calling follow_pte()
From: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
Date: Thu, 23 Sep 2021 10:03:42 +0200
Cc: stable@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Niklas Schnelle <schnelle@xxxxxxxxxxxxx>, "Liam R . Howlett" <Liam.Howlett@xxxxxxxxxx>
In-reply-to: <20210920131749.9360-1-david@redhat.com>

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

References:
- FAILED: patch "[PATCH] s390/pci_mmio: fully validate the VMA before calling" failed to apply to 5.10-stable tree
  - From: gregkh
- [PATCH 5.10 STABLE] s390/pci_mmio: fully validate the VMA before calling follow_pte()
  - From: David Hildenbrand

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