| Bug ID |
8504
|
| Summary |
Problem dissecting RTP-MIDI Chapter X journals
|
| Classification |
Unclassified
|
| Product |
Wireshark
|
| Version |
1.8.5
|
| Hardware |
x86
|
| OS |
Mac OS X 10.5
|
| Status |
UNCONFIRMED
|
| Severity |
Minor
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Build Information:
--
I'm using Wireshark to debug my own MIDI controller which transmits RTP-MIDI.
If I have an RTP-MIDI packet which contains only a journal, the journal only
contains a "system journal", and the system journal only contains a "Chapter
X", then I seem to always get a malformed packet reported.
It's possible I really am generating malformed packets, but I've double-checked
RFC 6295 a few times, and I don't think so. It's also entirely possible that
I'm the first person ever to have exercised this particular code in the
dissector.
I've just had a quick look at the RTP-MIDI dissector
(https://bugs.wireshark.org/bugzilla/attachment.cgi?id=7897), and I *think*
that in the function decode_system_journal(), the following line may be wrong:
/* Make sanity check for consumed data vs. stated length of system journal */
if ( consumed <= sysjourlen ) {
return -1;
}
>From the context, I think that the "<=" should be a ">=".
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