linux-ext4 - Re: [PATCH 30/25] libext2fs: check ea value offset when loading

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Message-ID: <20140911221129.GF17990@thunk.org>
Date:	Thu, 11 Sep 2014 18:11:29 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 30/25] libext2fs: check ea value offset when loading

On Thu, Sep 11, 2014 at 01:17:44PM -0700, Darrick J. Wong wrote:
> When reading extended attributes, check e_value_offs to make sure that
> it starts in the value area and not the name area.  The attached test
> case image will crash the kernel if it is mounted and you append more
> than 4096 bytes of data to /a, due to insufficient validation.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>

Applied, thanks.

						- Ted
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