Description of problem:
The skb_unshare_check call needs to be made before pskb_may_pull, not after.
Proposed upstream patch:
Created attachment 314284 [details]
Upstream patch for this issue
You can download this test kernel from http://people.redhat.com/dzickus/el5
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.