netdev - Re: [PATCH v2] net: qrtr: fix len of skb_put_padto in qrtr_node

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Date:   Thu, 19 Mar 2020 08:46:34 +0100
From:   Greg KH <greg@...ah.com>
To:     Doug Anderson <dianders@...omium.org>
Cc:     "stable@...r.kernel.org" <stable@...r.kernel.org>,
        Wen Gong <wgong@...eaurora.org>,
        netdev <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>, ath11k@...ts.infradead.org,
        David Miller <davem@...emloft.net>
Subject: Re: [PATCH v2] net: qrtr: fix len of skb_put_padto in
 qrtr_node_enqueue

On Tue, Mar 17, 2020 at 08:45:09AM -0700, Doug Anderson wrote:
> Hi,
> 
> On Tue, Mar 17, 2020 at 3:26 AM Greg KH <greg@...ah.com> wrote:
> >
> > On Tue, Feb 25, 2020 at 02:52:24PM -0800, Doug Anderson wrote:
> > > Hi,
> > >
> > >
> > > On Sun, Jan 5, 2020 at 2:47 PM David Miller <davem@...emloft.net> wrote:
> > > >
> > > > From: Wen Gong <wgong@...eaurora.org>
> > > > Date: Fri,  3 Jan 2020 12:50:16 +0800
> > > >
> > > > > The len used for skb_put_padto is wrong, it need to add len of hdr.
> > > >
> > > > Thanks, applied.
> > >
> > > I noticed this patch is in mainline now as:
> > >
> > > ce57785bf91b net: qrtr: fix len of skb_put_padto in qrtr_node_enqueue
> > >
> > > Though I'm not an expert on the code, it feels like a stable candidate
> > > unless someone objects.
> >
> > Stable candidate for what tree(s)?
> 
> I noticed that it was lacking and applied cleanly on 5.4.  As of
> 5.4.25 it's still not stable there.  I only noticed it because I was
> comparing all the patches in mainline in "net/qrtr" with what we had
> in our tree and stumbled upon this one.
> 
> Looking at it a little more carefully, I guess you could say:
> 
> Fixes: e7044482c8ac ("net: qrtr: Pass source and destination to
> enqueue functions")
> 
> ...though it will be trickier to apply past commit 194ccc88297a ("net:
> qrtr: Support decoding incoming v2 packets") just because the math
> changed.

Given that both of those commits showed up in 4.15, it doesn't matter
much :)

I've queued this up for 5.4.y and 4.19.y now, thanks.

greg k-h