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malformed packet GSM SIM

asked 2024-11-15 18:45:46 +0000

javanes gravatar image

updated 2024-11-15 19:44:08 +0000

Hi, I am receiving malformed packet error message in wireshark as illustrated below:

https://drive.google.com/file/d/1a9lm...

Thank you, Regards, Javanes

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Better post a capture file on a public file share and add the link to your question.

Jaap gravatar imageJaap ( 2024-11-15 19:26:32 +0000 )edit

Can you update the question with the output of wireshark -v or contents of Help->About Wireshark:Wireshark tab.

I'm not getting any malformed packets with the latest development branch.
Which packet(s) do you see the errors?

Chuckc gravatar imageChuckc ( 2024-11-15 23:16:04 +0000 )edit

Dumpcap 3.2.3 on Linux was apparently used to create the pcapng file. Running Wireshark 3.2.3 will report Malformed packets for all but the first (frame 23) of the packets that match the display filter of 'gsmtap.sim_sub_type == 1' (SIM Type: ATR (1)). With current master these same frames (with the exception of frame 23) show no information in the Info column when encountered.

Jim Young gravatar imageJim Young ( 2024-11-15 23:37:59 +0000 )edit

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answered 2024-11-16 08:47:12 +0000

Jaap gravatar image

Use an up to date version of Wireshark and you'll see a proper dissections of these packets.

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Asked: 2024-11-15 18:45:46 +0000

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Last updated: yesterday