CFM dissector does not handle Sender ID TLV correctly when Chassis ID Length is zero

This issue was migrated from bug 13720 in our old bug tracker.

Original bug information:

Reporter: mat…@‍eta…
Status: CONFIRMED
Product: Wireshark
Component: Dissection engine (libwireshark)
OS: Windows 7
Platform: x86
Version: 2.0.12

Attachments:

CCM.pcapng: Catpure file with CFM packet
: Screenshot of proposed patch

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