linux-ext4 - Re: [PATCH] ext4: Avoid stamping on other memories in ext4_ext_insert

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Message-ID: <20111008211921.GM7948@thunk.org>
Date:	Sat, 8 Oct 2011 17:19:21 -0400
From:	Ted Ts'o <tytso@....edu>
To:	Tao Ma <tm@....ma>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH] ext4: Avoid stamping on other memories in
 ext4_ext_insert_index.

On Fri, Sep 30, 2011 at 05:35:04PM +0800, Tao Ma wrote:
> From: Tao Ma <boyu.mt@...bao.com>
> 
> In ext4_ext_insert_index, we initialize 'ix' before checking its validity, so
> we have a chance to stamp on memories out of the block. So move the check
> before we do the work.
> 
> Cc: "Theodore Ts'o" <tytso@....edu>
> Signed-off-by: Tao Ma <boyu.mt@...bao.com>

Applied, thanks.

						- Ted
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