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From: Marcel Holtmann <marcel@holtmann.org>
To: James <20@madingley.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Bad ext3/nfs DoS bug
Date: Tue, 18 Jul 2006 22:18:26 +0200	[thread overview]
Message-ID: <1153253907.21024.25.camel@localhost> (raw)
In-Reply-To: <20060718152341.GB27788@circe.esc.cam.ac.uk>

Hi James,

> > What is the reason behind your question? Does disabling subtree checking
> > changes something?
> 
> just that the iget() call which causes the problem in 2.6
> is happening in the subtree checking code, not based on
> analysis of the flow.

just did a quick test with the RHEL4 kernel (2.6.9 based) and
subtree_check and no_subtree_check export option. No difference and in
both cases it gets remounted read-only.

Regards

Marcel



  reply	other threads:[~2006-07-18 20:18 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-17 13:01 Bad ext3/nfs DoS bug James
2006-07-17 13:06 ` Marcel Holtmann
2006-07-17 18:43 ` Marcel Holtmann
2006-07-18  7:55 ` Marcel Holtmann
2006-07-18 14:56   ` James
2006-07-18 15:22     ` Marcel Holtmann
2006-07-18 15:23       ` James
2006-07-18 20:18         ` Marcel Holtmann [this message]
2006-07-19  9:28           ` James
2006-07-19 15:55             ` Jan Kara
2006-07-20  4:46               ` Neil Brown
2006-07-20 16:06                 ` Jan Kara
2006-07-20 20:11                   ` James
2006-07-21  6:44                     ` Neil Brown
2006-07-21  6:39                   ` Neil Brown
2006-07-21 14:24                     ` Jan Kara
2006-07-22  0:06                     ` Andrew Morton
2006-07-22 13:17                       ` Theodore Tso
2006-07-25  1:56                         ` Andrew Morton
2006-07-25  2:21                           ` Neil Brown
2006-07-26 17:12                             ` Eric Sandeen
2006-07-26 23:53                               ` Neil Brown
2006-07-27 18:32                                 ` Eric Sandeen
2006-07-27 19:12                                   ` Christoph Hellwig
2006-07-28  0:34                                     ` Neil Brown
2006-07-28 13:27                                     ` Peter Staubach
2006-07-28 13:30                                       ` Christoph Hellwig
2006-07-25  2:36                           ` Neil Brown
2006-07-25 18:27                             ` Eric Sandeen
2006-07-21  0:42                 ` Marcel Holtmann
2006-07-21 12:29                   ` Andrew Morton
  -- strict thread matches above, loose matches on Subject: below --
2006-07-22  3:38 linux

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