netdev - Re: Kernel 5.4 regression - memory leak in network layer

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Date:   Thu, 21 Nov 2019 06:30:31 +0100
From:   Florian Westphal <fw@...len.de>
To:     Byron Stanoszek <gandalf@...ds.org>
Cc:     Florian Westphal <fw@...len.de>,
        "David S. Miller" <davem@...emloft.net>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: Kernel 5.4 regression - memory leak in network layer

Byron Stanoszek <gandalf@...ds.org> wrote:
> On Wed, 20 Nov 2019, Florian Westphal wrote:
> > Not reproducible.
> > 
> > I'm on
> > 
> > c74386d50fbaf4a54fd3fe560f1abc709c0cff4b ("afs: Fix missing timeout reset").
> 
> I confirm I still see the issue on that commit.

[..]

> netperf -H 172.17.2.11 -t UDP_RR

Ah, thats all it takes.  Its related to UDP_SKB_IS_STATELESS, commit
895b5c9f206eb7d25dc1360a is the culprit.  I'll send a fix shortly.