linux-kernel - Re: [ 092/180] udf: Avoid run away loop when partition table length is corrupted

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Date:	Thu, 4 Oct 2012 22:23:48 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Willy Tarreau <w@....eu>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	Jan Kara <jack@...e.cz>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [ 092/180] udf: Avoid run away loop when partition table
 length is corrupted

On Tue, Oct 02, 2012 at 12:53:29AM +0200, Willy Tarreau wrote:
> 2.6.32-longterm review patch.  If anyone has any objections, please let me know.
> 
> ------------------
> 
> From: Jan Kara <jack@...e.cz>
> 
> commit adee11b2085bee90bd8f4f52123ffb07882d6256 upstream.
> 
> Check provided length of partition table so that (possibly maliciously)
> corrupted partition table cannot cause accessing data beyond current buffer.
[...]

This is not quite paranoid enough; please add commit
57b9655d01ef057a523e810d29c37ac09b80eead after this.

Ben.

-- 
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
                                                              - Albert Camus
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