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Date:   Wed, 3 Nov 2021 18:49:25 +0100
From:   "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>
To:     "Marciniszyn, Mike" <mike.marciniszyn@cornelisnetworks.com>
Cc:     "Dalessandro, Dennis" <dennis.dalessandro@cornelisnetworks.com>,
        "ivansprundel@ioactive.com" <ivansprundel@ioactive.com>,
        "jgg@nvidia.com" <jgg@nvidia.com>,
        "stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: FAILED: patch "[PATCH] IB/qib: Protect from buffer overflow in
 struct" failed to apply to 4.19-stable tree
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On Wed, Nov 03, 2021 at 03:15:59PM +0000, Marciniszyn, Mike wrote:
> > From: gregkh@linuxfoundation.org <gregkh@linuxfoundation.org>
> > Sent: Saturday, October 30, 2021 8:58 AM
> > To: Marciniszyn, Mike <mike.marciniszyn@cornelisnetworks.com>;
> > Dalessandro, Dennis <dennis.dalessandro@cornelisnetworks.com>;
> > ivansprundel@ioactive.com; jgg@nvidia.com
> > Cc: stable@vger.kernel.org
> > Subject: FAILED: patch "[PATCH] IB/qib: Protect from buffer overflow in
> > struct" failed to apply to 4.19-stable tree
> > 
> > 
> > The patch below does not apply to the 4.19-stable tree.
> > If someone wants it applied there, or to any other stable or longterm tree,
> > then please email the backport, including the original git commit id to
> > <stable@vger.kernel.org>.
> > 
> > thanks,
> > 
> > greg k-h
> 
> Greg,
> 
> The only thing required for 4.19 for this patch is that:
> 
> 829ca44ecf60 ("IB/qib: Use struct_size() helper")
> 
> Is there first as a prereq.
> 
> How do you want to see that in the signature block meta language?

The documentation in:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
describes how to do this properly.

I've queued both of these up now for 4.19.y.

thanks,

greg k-h