linux-ext4 - Re: [PATCH 03/39] libext2fs: directory iteration mustn't walk off the buffer end

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20141104163715.GD30614@thunk.org>
Date:	Tue, 4 Nov 2014 11:37:15 -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 03/39] libext2fs: directory iteration mustn't walk off
 the buffer end

On Sat, Oct 25, 2014 at 01:56:42PM -0700, Darrick J. Wong wrote:
> When we're iterating a directory, the loop control code reads the
> length of the next directory record, failing to account for the fact
> that there must be at least 8 bytes (the minimum size of a directory
> entry) left in the buffer to read the next directory record.  Fix the
> loop conditional so that we don't read off the end of the buffer.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
> Reported-by: Sami Liedes <sami.liedes@....fi>

Applied, thanks.

					- Ted
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html