usage http-tcp dissector from lua dissector lead to Segmentation fault

This issue was migrated from bug 12826 in our old bug tracker.

Original bug information:

Reporter: ych…@‍tru…
Status: RESOLVED FIXED
Product: Wireshark
Component: Dissection engine (libwireshark)
OS: Linux
Platform: x86
Version: 2.2.0

Attachments:

pp_dissector.lua: proxy protocol v2 lua dissector
pprotocol.pcap: proxy protocol v2 pcap
core.btrace: core backtarce output