LUA: TVBs backing a data source is freed too early

This issue was migrated from bug 12050 in our old bug tracker.

Original bug information:

Reporter: Peter Wu
Status: RESOLVED FIXED
Product: Wireshark
Component: Dissection engine (libwireshark)
OS: All
Platform: All
Version: 2.1.x (Experimental)

Attachments:

tvb-datasource.lua: LUA dissector reproducing the UAF