linux-ext4 - Re: [PATCH 06/47] libext2fs: don't allow alloc

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Message-ID: <20141117230020.GF9693@thunk.org>
Date:	Mon, 17 Nov 2014 18:00:20 -0500
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 06/47] libext2fs: don't allow alloc_stats on bad
 inode/block numbers

On Fri, Nov 07, 2014 at 01:51:21PM -0800, Darrick J. Wong wrote:
> Don't allow callers to feed bad block/inode numbers to
> ext2fs_*_alloc_stats2, because evil callers (<cough>resize2fs<cough>)
> can corrupt library state this way, leading to a crash.
> 
> (There will be a subsequent patch to resize2fs to fix its bad
> behavior.)
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>

Applied, thanks.

					- Ted
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