linux-kernel - Re: [REGRESSION] NFS is creating a hidden port (left over from xs

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Message-ID: <20150619203745.16545a22@gandalf.local.home>
Date:	Fri, 19 Jun 2015 20:37:45 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Trond Myklebust <trond.myklebust@...marydata.com>
Cc:	Jeff Layton <jlayton@...chiereds.net>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Anna Schumaker <anna.schumaker@...app.com>,
	Linux NFS Mailing List <linux-nfs@...r.kernel.org>,
	Linux Network Devel Mailing List <netdev@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Bruce James Fields <bfields@...ldses.org>
Subject: Re: [REGRESSION] NFS is creating a hidden port (left over from
 xs_bind() )

On Fri, 19 Jun 2015 19:25:59 -0400
Trond Myklebust <trond.myklebust@...marydata.com> wrote:

> On Fri, 2015-06-19 at 18:14 -0400, Steven Rostedt wrote:
> > On Fri, 19 Jun 2015 16:30:18 -0400
> > Trond Myklebust <trond.myklebust@...marydata.com> wrote:
> > 
> > > Steven, how about something like the following patch?
> > > 
> > 
> > OK, the box I'm running this on is using v4.0.5, can you make a patch
> > based on that, as whatever you make needs to go to stable as well.
> 
> Is it causing any other damage than the rkhunter warning you reported?

Well, not that I know of. Are you sure that this port will be
reconnected, and is not just a leak. Not sure if you could waste more
ports this way with connections to other machines. I only have my
wife's box connect to this server. This server is actually a client to
my other boxes.

Although the rkhunter warning is the only thing that triggers, I still
would think this is a stable fix, especially if the port is leaked and
not taken again.

> 
> Sorry. I sent that one off too quickly. Try the following.

This built, will be testing it shortly.

-- Steve
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