gNBSim crashes upon receiving NAS Configuration update command about gnbsim HOT 11 CLOSED

https://fvsch.com/stale-bots

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Thanks for nice bug report @yoursunny . I shall provide the fix, but due to lack of setup I may not be able to verify it. But please expect some update in coming days.

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replace with Panicf maybe ok

Fatalf will call Logger.Exit(1)

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This issue has been stale for 30 days and will be closed in 5 days. Comment to keep it open.

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Let us keep this open and we should see how we can reproduce this and identify possible solution. Thanks.

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Let us keep this open and we should see how we can reproduce this and identify possible solution. Thanks.

Hi @thakurajayL, the crash is because "Configuration update command" (0x54) is not currently handled in gNBSim (https://github.com/omec-project/gnbsim/blob/main/common/events.go#L106) and if message is not handled gNBSim crashes due to logger.AppLog.Fatalf("Invalid Event ID: %#v", id) (https://github.com/omec-project/gnbsim/blob/main/common/events.go#L245)

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@thakurajayL,
FYI, I still need to open a PR to update the "days before mark/close" in the Stale action to increase it as agreed on the TST. I have been running a few tests before making the change/update

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It seems that free5GC v3.4.1 is also sending NAS Configuration update command.
Therefore, gNBSim is no longer compatible with free5GC.

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When this is planned to be addressed?

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Can you uuse this one and see if it does not crash - #164 ?

I need to add code to send response as well.

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close by #164

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