linux-ext4 - Re: [PATCH 17/39] e2fsck: fix dangling pointer when dir

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Message-ID: <20141105161253.GC27083@thunk.org>
Date:	Wed, 5 Nov 2014 11:12:53 -0500
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	Sami Liedes <sami.liedes@....fi>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH 17/39] e2fsck: fix dangling pointer when dir_info array
 is resized

On Sat, Oct 25, 2014 at 01:58:12PM -0700, Darrick J. Wong wrote:
> e2fsck uses an array to store directory usage information during pass
> 3; the usage context also contains a pointer to the last directory
> looked up.  When expanding the dir_info array, this cache pointer
> needs to be cleared if the array resize changed the pointer location,
> or else we'll later walk off the end of this dead pointer.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
> Reported-by: Sami Liedes <sami.liedes@....fi>

Applied, thanks.

					- Ted
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