linux-ext4 - Re: [PATCH] mke2fs: Avoid crashes / infinite loops for absurdly large devices

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Message-ID: <20161025180947.7oqbnhonzzpm5qob@thunk.org>
Date:   Tue, 25 Oct 2016 14:09:47 -0400
From:   Theodore Ts'o <tytso@....edu>
To:     Jan Kara <jack@...e.cz>
Cc:     linux-ext4@...r.kernel.org
Subject: Re: [PATCH] mke2fs: Avoid crashes / infinite loops for absurdly
 large devices

On Tue, Oct 25, 2016 at 02:11:44PM +0200, Jan Kara wrote:
> When a device reports absurdly high size, some arithmetics in mke2fs can
> overflow (e.g. number of block descriptors) and we end in an infinite
> loop. Fix that by checking and refusing insanely large devices.
> 
> Signed-off-by: Jan Kara <jack@...e.cz>

Thanks, applied.

					- Ted
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