Wireshark-bugs: [Wireshark-bugs] [Bug 7762] Getting dissector bug when cookie-echo decoded as ru
Date: Thu, 27 Sep 2012 06:34:27 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7762

--- Comment #7 from Anders Broman <anders.broman@xxxxxxxxxxxx> 2012-09-27 06:34:26 PDT ---
(In reply to comment #6)
> (In reply to comment #5)
> > Can you please decode the data part as RUA?
> It already is:
> > > UTRAN Iuh interface RUA signalling
> Or do you mean the RUA's payload?  That was my question: how to get that
> decoded as RANAP.
> Or is there another RUA?

Wierd, I just do decode as port xx as RUA for SCTP and get
No.     Time        Source                Destination           Protocol Length
Info
      3 0.000112    127.0.0.1             127.0.0.1             RANAP    426   
COOKIE_ECHO (RUA) id-RAB-Assignment 

Frame 3: 426 bytes on wire (3408 bits), 426 bytes captured (3408 bits)
Ethernet II, Src: 00:00:00_00:00:00 (00:00:00:00:00:00), Dst: 00:00:00_00:00:00
(00:00:00:00:00:00)
Internet Protocol Version 4, Src: 127.0.0.1 (127.0.0.1), Dst: 127.0.0.1
(127.0.0.1)
Stream Control Transmission Protocol, Src Port: 4444 (4444), Dst Port: 1234
(1234)
UTRAN Iuh interface RUA signalling
    0... .... Extension Bit: False
    Range = 3 Bitfield length 2, Choice Index: .00. ....
    Choice Index: 0
    RUA-PDU: initiatingMessage (0)
        initiatingMessage
Radio Access Network Application Part
    0... .... Extension Bit: False
    Range = 4 Bitfield length 2, Choice Index: .00. ....
    Choice Index: 0
    RANAP-PDU: initiatingMessage (0)
        initiatingMessage
            procedureCode: id-RAB-Assignment (0)
            Range = 3 Bitfield length 2, Enumerated Index: 00.. ....
            Enumerated Index: 0
            criticality: reject (0)
            Open Type Length: 60
            value
                RAB-AssignmentRequest
                    0... .... Extension Bit: False
                    .1.. .... Optional Field Bit: True (protocolExtensions is
present)
                    Sequence-Of Length: 2
                    protocolIEs: 2 items
                        Item 0: id-RAB-SetupOrModifyList
                            ProtocolIE-Field
                                id: id-RAB-SetupOrModifyList (54)
                                Range = 3 Bitfield length 2, Enumerated Index:
01.. ....
                                Enumerated Index: 1
                                criticality: ignore (1)
                                Open Type Length: 25
                                value
                                    Sequence-Of Length: 1
                                    RAB-SetupOrModifyList: 1 item
                                        Item 0
                                            Sequence-Of Length: 2
                                            ProtocolIE-ContainerPair: 2 items
                                                Item 0:
id-RAB-SetupOrModifyItem
                                                    ProtocolIE-FieldPair
                                                        id:
id-RAB-SetupOrModifyItem (53)
                                                        Range = 3 Bitfield
length 2, Enumerated Index: 00.. ....
                                                        Enumerated Index: 0
                                                        firstCriticality:
reject (0)
                                                        Open Type Length: 2
                                                        firstValue
                                                           
RAB-SetupOrModifyItemFirst
                                                                0... ....
Extension Bit: False
                                                                .0.. ....
Optional Field Bit: False (nAS-SynchronisationIndicator is NOT present)
                                                                ..0. ....
Optional Field Bit: False (rAB-Parameters is NOT present)
                                                                ...0 ....
Optional Field Bit: False (userPlaneInformation is NOT present)
                                                                .... 0...
Optional Field Bit: False (transportLayerInformation is NOT present)
                                                                .... .0..
Optional Field Bit: False (service-Handover is NOT present)
                                                                .... ..0.
Optional Field Bit: False (iE-Extensions is NOT present)
                                                                rAB-ID: 0e [bit
length 8, 0000 1110 decimal value 14]
                                                        Range = 3 Bitfield
length 2, Enumerated Index: 01.. ....
                                                        Enumerated Index: 1
                                                        secondCriticality:
ignore (1)
                                                        Open Type Length: 3
                                                        secondValue
                                                           
RAB-SetupOrModifyItemSecond
                                                                0... ....
Extension Bit: False
                                                                .0.. ....
Optional Field Bit: False (pDP-TypeInformation is NOT present)
                                                                ..0. ....
Optional Field Bit: False (dataVolumeReportingIndication is NOT present)
                                                                ...1 ....
Optional Field Bit: True (dl-GTP-PDU-SequenceNumber is present)
                                                                .... 0...
Optional Field Bit: False (ul-GTP-PDU-SequenceNumber is NOT present)
                                                                .... .0..
Optional Field Bit: False (dl-N-PDU-SequenceNumber is NOT present)
                                                                .... ..0.
Optional Field Bit: False (ul-N-PDU-SequenceNumber is NOT present)
                                                                .... ...0
Optional Field Bit: False (iE-Extensions is NOT present)
                                                               
dl-GTP-PDU-SequenceNumber: 666
                                                Item 1:
id-RAB-SetupOrModifyItem
                                                    ProtocolIE-FieldPair
                                                        id:
id-RAB-SetupOrModifyItem (53)
                                                        Range = 3 Bitfield
length 2, Enumerated Index: 00.. ....
                                                        Enumerated Index: 0
                                                        firstCriticality:
reject (0)
                                                        Open Type Length: 2
                                                        firstValue
                                                           
RAB-SetupOrModifyItemFirst
                                                                0... ....
Extension Bit: False
                                                                .0.. ....
Optional Field Bit: False (nAS-SynchronisationIndicator is NOT present)
                                                                ..0. ....
Optional Field Bit: False (rAB-Parameters is NOT present)
                                                                ...0 ....
Optional Field Bit: False (userPlaneInformation is NOT present)
                                                                .... 0...
Optional Field Bit: False (transportLayerInformation is NOT present)
                                                                .... .0..
Optional Field Bit: False (service-Handover is NOT present)
                                                                .... ..0.
Optional Field Bit: False (iE-Extensions is NOT present)
                                                                rAB-ID: de [bit
length 8, 1101 1110 decimal value 222]
                                                        Range = 3 Bitfield
length 2, Enumerated Index: 01.. ....
                                                        Enumerated Index: 1
                                                        secondCriticality:
ignore (1)
                                                        Open Type Length: 3
                                                        secondValue
                                                           
RAB-SetupOrModifyItemSecond
                                                                0... ....
Extension Bit: False
                                                                .0.. ....
Optional Field Bit: False (pDP-TypeInformation is NOT present)
                                                                ..0. ....
Optional Field Bit: False (dataVolumeReportingIndication is NOT present)
                                                                ...1 ....
Optional Field Bit: True (dl-GTP-PDU-SequenceNumber is present)
                                                                .... 0...
Optional Field Bit: False (ul-GTP-PDU-SequenceNumber is NOT present)
                                                                .... .0..
Optional Field Bit: False (dl-N-PDU-SequenceNumber is NOT present)
                                                                .... ..0.
Optional Field Bit: False (ul-N-PDU-SequenceNumber is NOT present)
                                                                .... ...0
Optional Field Bit: False (iE-Extensions is NOT present)
                                                               
dl-GTP-PDU-SequenceNumber: 666
                        Item 1: id-RAB-ReleaseList
                            ProtocolIE-Field
                                id: id-RAB-ReleaseList (41)
                                Range = 3 Bitfield length 2, Enumerated Index:
01.. ....
                                Enumerated Index: 1
                                criticality: ignore (1)
                                Open Type Length: 14
                                value
                                    Sequence-Of Length: 1
                                    RAB-ReleaseList: 1 item
                                        Item 0
                                            Sequence-Of Length: 1
                                            ProtocolIE-Container: 1 item
                                                Item 0: id-RAB-ReleaseItem
                                                    ProtocolIE-Field
                                                        id: id-RAB-ReleaseItem
(40)
                                                        Range = 3 Bitfield
length 2, Enumerated Index: 01.. ....
                                                        Enumerated Index: 1
                                                        criticality: ignore (1)
                                                        Open Type Length: 7
                                                        value
                                                            RAB-ReleaseItem
                                                                0... ....
Extension Bit: False
                                                                .0.. ....
Optional Field Bit: False (iE-Extensions is NOT present)
                                                                rAB-ID: 02 [bit
length 8, 0000 0010 decimal value 2]
                                                                ..0. ....
Extension Bit: False
                                                                Range = 6
Bitfield length 3, Choice Index: ...0 00..
                                                                Choice Index: 0
                                                                cause:
radioNetwork (0)
                                                                    Range = 64
Bitfield length 6, radioNetwork: .... ..00  0000 ....
                                                                   
radioNetwork: rab-pre-empted (1)
                    Sequence-Of Length: 1
                    protocolExtensions: 1 item
                        Item 0
                            ProtocolExtensionField
                                id: id-UE-AggregateMaximumBitRate (233)
                                Range = 3 Bitfield length 2, Enumerated Index:
01.. ....
                                Enumerated Index: 1
                                criticality: ignore (1)
                                Open Type Length: 4
                                extensionValue
                                    UE-AggregateMaximumBitRate
                                        0... .... Extension Bit: False
                                        .1.. .... Optional Field Bit: True
(uE-AggregateMaximumBitRateDownlink is present)
                                        ..1. .... Optional Field Bit: True
(uE-AggregateMaximumBitRateUplink is present)
                                        Constrained Integer Length: 1
                                        uE-AggregateMaximumBitRateDownlink: 124
                                        Constrained Integer Length: 1
                                        uE-AggregateMaximumBitRateUplink: 124


No dissector bug there. So please folloe Jeffs suggestion and try 1.8.x

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