From mboxrd@z Thu Jan  1 00:00:00 1970
From: Evgeniy Polyakov <zbr@ioremap.net>
Subject: Re: NFS/credentials leak in 2.6.29-rc1
Date: Thu, 22 Jan 2009 01:46:59 +0300
Message-ID: <20090121224659.GA19015@ioremap.net>
References: <20090120235341.GA29017@fieldses.org> <20090120114649.GA15832@ioremap.net> <20090120151125.GB24266@fieldses.org> <20090120152304.GA28592@ioremap.net> <21428.1232540589@redhat.com> <20090121123728.GA1739@ioremap.net> <20090121223919.GG4295@fieldses.org>
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Cc: David Howells <dhowells@redhat.com>,
	Trond Myklebust <trond.myklebust@fys.uio.no>,
	linux-fsdevel@vger.kernel.org
To: "J. Bruce Fields" <bfields@fieldses.org>
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On Wed, Jan 21, 2009 at 05:39:19PM -0500, J. Bruce Fields (bfields@fieldses.org) wrote:
> > I got following fun tcpdump and failed mount (it stuck, but can be interrupted):
> 
> I'm really bad at reading tcpdump.  Where's the problem here?  It looks
> like every call gets a reply.

Port fields are fun

> > 15:34:41.253911 IP addr1.1835336279 > addr2.2049: 44 null
                             ^^^^^^^^^^   vs    ^^^^

It is likely copied skb corruption, ports change, but acks correspond
sometimes.

> > 15:34:41.253916 IP addr2.2049 > addr1.728: . ack 44 win 88 <nop,nop,timestamp 125462 37402358>
> > 15:34:41.254103 IP addr2.2049 > addr1.1835336279: reply ok 28 null
> > 15:34:41.254229 IP addr1.728 > addr2.2049: . ack 29 win 89 <nop,nop,timestamp 37402358 125463>
> > 15:34:41.254238 IP addr1.1852113495 > addr2.2049: 44 null
> > 15:34:41.254271 IP addr2.2049 > addr1.1852113495: reply ok 28 null
> > 15:34:41.254378 IP addr1.1868890711 > addr2.2049: 100 fsinfo [|nfs]
> > 15:34:41.254411 IP addr2.2049 > addr1.1868890711: reply ok 36 fsinfo [|nfs]
> > 15:34:41.254528 IP addr1.1885667927 > addr2.2049: 100 fsinfo [|nfs]
> > 15:34:41.254555 IP addr2.2049 > addr1.1885667927: reply ok 36 fsinfo [|nfs]

-- 
	Evgeniy Polyakov