[PATCH] s3 - Add integer wrap protection when manipulating a client-supplied value.

[Volker Lendecke]

On Fri, Aug 02, 2013 at 05:13:34PM -0700, Jeremy Allison wrote:
> Ensure we can never integer wrap when working on client-supplied max_data_bytes.
> 
> This would only be possible with SMB2, and is already checked in the upper
> SMB2 layers, but it really doesn't hurt to have these extra checks at time
> of use also.
> 
> I noticed this when reviewing Ralph's patch, and thought I might as well
> tidy this up to ensure we can never have any issues here.

Reviewed-by me.

We really need to convert the lower-level routines from
malloc to talloc.

Volker

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