linux-ext4 - Re: [PATCH 04/21] libext2fs/e2fsck: don't run off the end of the EA block

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Message-ID: <20140810222218.GP15431@thunk.org>
Date:	Sun, 10 Aug 2014 18:22:18 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 04/21] libext2fs/e2fsck: don't run off the end of the EA
 block

On Mon, Aug 04, 2014 at 06:05:23PM -0700, Darrick J. Wong wrote:
> When we're (a) reading EAs into a buffer; (b) byte-swapping EA
> entries; or (c) checking EA data, be careful not to run off the end of
> the memory buffer, because this causes invalid memory accesses and
> e2fsck crashes.  This can happen if we encounter a specially crafted
> FS image.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>

Applied, thanks.

					- Ted
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