crash in mount dissector with malicious packet

This issue was migrated from bug 8335 in our old bug tracker.

Original bug information:

Reporter: Alyssa Milburn
Status: RESOLVED FIXED
Product: Wireshark
Component: Dissection engine (libwireshark)
OS: All
Platform: x86
Version: Git

Attachments:

packet-mount-len.pcap: pcap of malicious mount packet
packet-mount-len-fix.patch: trivial fix