[ovs-dev] [PATCH] ofp-actions: Properly check for action that exceeds buffer length.

[Ben Pfaff]

On Mon, Oct 20, 2014 at 02:45:42PM -0700, Ben Pfaff wrote:
> Commit c2d936a44fa (ofp-actions: Centralize all OpenFlow action code for
> maintainability.) rewrote OpenFlow action parsing but failed to check that
> actions don't overflow their buffers.  This commit fixes the problem and
> adds negative tests so that this bug doesn't recur.
> 
> Reported-by: Tomer Pearl <Tomer.Pearl at Contextream.com>
> Signed-off-by: Ben Pfaff <blp at nicira.com>

This fixes a crash bug so I'd appreciate a review.