From: Marco Stornelli <marco.stornelli@gmail.com>
To: viro@zeniv.linux.org.uk
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
Linux FS Devel <linux-fsdevel@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@suse.de>
Subject: Re: [PATCH v3][RESEND] Check for immutable/append flag in fallocate path
Date: Wed, 09 Mar 2011 20:42:25 +0100 [thread overview]
Message-ID: <4D77D821.7090003@gmail.com> (raw)
In-Reply-To: <4D720C0B.1050300@gmail.com>
Il 05/03/2011 11:10, Marco Stornelli ha scritto:
> From: Marco Stornelli <marco.stornelli@gmail.com>
>
> In the fallocate path the kernel doesn't check for the immutable/append
> flag. It's possible to have a race condition in this scenario: an
> application open a file in read/write and it does something, meanwhile
> root set the immutable flag on the file, the application at that point
> can call fallocate with success. In addition, we don't allow to do any
> unreserve operation on an append only file but only the reserve one.
>
> Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Al, can you apply this patch please? I add Greg in cc, because maybe he
could be interested about stable tree.
Marco
next prev parent reply other threads:[~2011-03-09 19:42 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-21 8:26 [PATCH] Check for immutable flag in fallocate path Marco Stornelli
2011-02-21 12:46 ` Christoph Hellwig
2011-02-21 16:50 ` Marco Stornelli
2011-02-27 22:49 ` Ted Ts'o
2011-02-28 7:53 ` Marco Stornelli
2011-03-02 8:19 ` Marco Stornelli
2011-02-26 14:59 ` Marco Stornelli
2011-03-03 8:42 ` [PATCH v2] " Marco Stornelli
2011-03-03 21:39 ` Dave Chinner
2011-03-04 8:17 ` Marco Stornelli
2011-03-04 12:18 ` Marco Stornelli
2011-03-14 10:24 ` Christoph Hellwig
2011-03-14 10:40 ` Marco Stornelli
2011-03-05 9:37 ` [PATCH v3] Check for immutable/append " Marco Stornelli
2011-03-05 10:00 ` Sedat Dilek
2011-03-05 10:10 ` [PATCH v3][RESEND] " Marco Stornelli
2011-03-09 19:42 ` Marco Stornelli [this message]
2011-03-09 21:27 ` Greg KH
2011-03-10 12:03 ` Marco Stornelli
2011-03-08 5:11 ` [PATCH v3] " Dave Chinner
2011-03-08 5:38 ` Andreas Dilger
2011-03-08 7:35 ` Marco Stornelli
2011-03-09 1:30 ` Dave Chinner
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