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From: David Laight <david@l8s.co.uk>
To: Pavel Shilovsky <piastry@etersoft.ru>
Cc: Christoph Hellwig <hch@infradead.org>,
	linux-fsdevel@vger.kernel.org, linux-cifs@vger.kernel.org,
	linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org,
	wine-devel@winehq.org
Subject: Re: [PATCH 0/3] Add O_DENY* flags to fcntl and cifs
Date: Wed, 12 Dec 2012 08:34:01 +0000	[thread overview]
Message-ID: <20121212083401.GW5010@snowdrop.l8s.co.uk> (raw)
In-Reply-To: <495d17310e0a687d446afc86def0f058@office.etersoft.ru>

On Sat, Dec 08, 2012 at 12:43:14AM +0400, Pavel Shilovsky wrote:
> 
> The problem is the possibility of denial-of-service attacks here. We 
> can try to prevent them by:

FWIW I already see a DoS 'attack'.
I have some filestore shared using NFS (to Linux and Solaris) and 
using samba (to Windows).

I use it for release builds of a product to ensure the versions
built for the different operating systems match, and because some
files have to be built on an 'alien' system (eg gcc targetted at
embedded card).

I can't run the windows build at the same time as the others
because the windows C compiler manages to obtain exclusive access
to the source files - stopping the other systems from reading them.

	David

-- 
David Laight: david@l8s.co.uk

  parent reply	other threads:[~2012-12-12  8:42 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-06 18:26 [PATCH 0/3] Add O_DENY* flags to fcntl and cifs Pavel Shilovsky
2012-12-06 18:26 ` [PATCH 1/3] fcntl: Introduce new O_DENY* open flags for network filesystems Pavel Shilovsky
2012-12-06 18:26 ` [PATCH 2/3] CIFS: Add O_DENY* open flags support Pavel Shilovsky
2012-12-06 18:26 ` [PATCH 3/3] CIFS: Use NT_CREATE_ANDX command for forcemand mounts Pavel Shilovsky
2012-12-06 19:49 ` [PATCH 0/3] Add O_DENY* flags to fcntl and cifs Alan Cox
2012-12-06 19:57   ` Jeremy Allison
2012-12-06 20:13     ` Jeremy Allison
2012-12-06 21:31     ` Theodore Ts'o
2012-12-06 21:33       ` Jeremy Allison
2012-12-06 21:37         ` Theodore Ts'o
2012-12-06 21:39           ` Jeremy Allison
2012-12-07 14:29     ` Steve French
2012-12-07 14:30       ` Steve French
2012-12-07 16:34       ` Alan Cox
2012-12-07  9:08 ` Pavel Shilovsky
2012-12-07 14:52   ` J. Bruce Fields
2012-12-07 15:37     ` simo
2012-12-07 16:09       ` J. Bruce Fields
2012-12-07 16:16 ` Christoph Hellwig
2012-12-07 20:43   ` Pavel Shilovsky
2012-12-07 21:35     ` Alan Cox
2012-12-07 23:55     ` Myklebust, Trond
2012-12-10 16:41     ` J. Bruce Fields
2012-12-11 13:11       ` Jeff Layton
2012-12-12  8:34     ` David Laight [this message]
2012-12-14 14:12       ` Pavel Shilovsky
2012-12-14 15:30         ` Alan Cox
2012-12-14 19:19           ` Steve French
2012-12-17 15:36             ` J. Bruce Fields

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