From: Evgeniy Polyakov <zbr@ioremap.net>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: David Howells <dhowells@redhat.com>,
Trond Myklebust <trond.myklebust@fys.uio.no>,
linux-fsdevel@vger.kernel.org
Subject: Re: NFS/credentials leak in 2.6.29-rc1
Date: Thu, 22 Jan 2009 01:46:59 +0300 [thread overview]
Message-ID: <20090121224659.GA19015@ioremap.net> (raw)
In-Reply-To: <20090121223919.GG4295@fieldses.org>
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
next prev parent reply other threads:[~2009-01-21 22:47 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-20 11:46 NFS/credentials leak in 2.6.29-rc1 Evgeniy Polyakov
2009-01-20 13:37 ` Trond Myklebust
2009-01-20 13:49 ` Evgeniy Polyakov
2009-01-20 15:11 ` J. Bruce Fields
2009-01-20 15:23 ` Evgeniy Polyakov
2009-01-20 23:53 ` J. Bruce Fields
2009-01-21 12:23 ` David Howells
2009-01-21 12:37 ` Evgeniy Polyakov
2009-01-21 13:17 ` David Howells
2009-01-21 13:18 ` Evgeniy Polyakov
2009-01-21 22:39 ` J. Bruce Fields
2009-01-21 22:46 ` Evgeniy Polyakov [this message]
2009-01-21 23:18 ` J. Bruce Fields
2009-01-21 23:31 ` Evgeniy Polyakov
2009-01-27 0:49 ` J. Bruce Fields
2009-01-27 9:26 ` Evgeniy Polyakov
2009-01-27 22:07 ` J. Bruce Fields
2009-01-29 14:37 ` Evgeniy Polyakov
2009-01-29 18:52 ` J. Bruce Fields
2009-01-29 19:00 ` Evgeniy Polyakov
2009-02-05 13:22 ` David Howells
2009-02-05 17:21 ` J. Bruce Fields
2009-01-21 22:37 ` J. Bruce Fields
2009-01-22 7:08 ` David Howells
2009-01-22 16:43 ` J. Bruce Fields
2009-01-20 21:44 ` David Howells
2009-01-21 22:42 ` J. Bruce Fields
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