linux-kernel - Re: [PATCH 4.4 29/57] RDMA/uverbs: Check port number supplied by user verbs cmds

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Date:   Thu, 13 Jul 2017 18:25:40 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     "Ismail, Mustafa" <mustafa.ismail@...el.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        Yevgeny Kliteynik <kliteyn@...lanox.com>,
        Tziporet Koren <tziporet@...lanox.com>,
        Alex Polak <alexpo@...lanox.com>,
        Boris Pismenny <borisp@...lanox.com>,
        Leon Romanovsky <leon@...nel.org>,
        Doug Ledford <dledford@...hat.com>
Subject: Re: [PATCH 4.4 29/57] RDMA/uverbs: Check port number supplied by
 user verbs cmds

On Thu, Jul 13, 2017 at 03:54:28PM +0000, Ismail, Mustafa wrote:
> > Subject: [PATCH 4.4 29/57] RDMA/uverbs: Check port number supplied by
> > user verbs cmds
> > 
> > 4.4-stable review patch.  If anyone has any objections, please let me know.
> 
> Yes, this breaks modify qp.
> See https://patchwork.kernel.org/patch/9830663/

I don't understand this response at all, sorry.

What should I do about this?  Is this patch alone a problem?  Is there
some other patch I should apply that is in Linus's tree?  Where is the
problem, only in this old release?

totally confused,

greg k-h