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

From: Michael Halcrow
Date: Thu Jul 19 2007 - 17:56:19 EST


On Thu, Jul 19, 2007 at 05:41:16PM -0400, Josef Sipek wrote:
> 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?

It's not so much a magic number if you preserve the comment
immediately above it.
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