linux-kernel - Re: [PATCH 4/8] eCryptfs: Fix Tag 1 parsing code

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Message-ID: <20070719214116.GA4041@filer.fsl.cs.sunysb.edu>
Date:	Thu, 19 Jul 2007 17:41:16 -0400
From:	Josef Sipek <jsipek@....cs.sunysb.edu>
To:	Michael Halcrow <mhalcrow@...ibm.com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	tchicks@...ibm.com, trevor.highland@...il.com,
	pregan@...sunysb.edu, toml@...ibm.com, sergeh@...ibm.com,
	mike@...crow.us
Subject: Re: [PATCH 4/8] eCryptfs: Fix Tag 1 parsing code

On Thu, Jul 19, 2007 at 04:28:01PM -0500, Michael Halcrow wrote:
> Fix up the Tag 1 parsing code to handle size limits and boundaries
> more explicitly. Initialize the new auth_tok's flags.
...
> -	if (unlikely((*packet_size) + 3 > max_packet_size)) {
> -		ecryptfs_printk(KERN_ERR, "Packet size exceeds max\n");
> +	if (unlikely(max_packet_size < 12)) {
> +		printk(KERN_ERR "Invalid max packet size; must be >=12\n");

Hardcoded 12?

Josef 'Jeff' Sipek.

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