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Handle faulty MeasurementReport gracefully

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A UE might send a MeasurementReport without the actual IEs present
(intentionally or not). Check this and handle appropriately to avoid
assertion

    Assertion (measurementReport->criticalExtensions.present == NR_MeasurementReport__criticalExtensions_PR_measurementReport && measurementReport->criticalExtensions.choice.measurementReport != ((void*)0)) failed!
    In rrc_gNB_process_MeasurementReport() ../../../openair2/RRC/NR/rrc_gNB.c

Closes: #859
This commit is contained in:
Robert Schmidt
2024-10-17 19:06:45 +02:00
parent e815972492
commit 30054b809e
1 changed files with 10 additions and 7 deletions
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openair2/RRC/NR/rrc_gNB.c
+10 -7
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@@ -1302,17 +1302,20 @@ static void process_Event_Based_Measurement_Report(NR_ReportConfigNR_t *report,
static void rrc_gNB_process_MeasurementReport(rrc_gNB_ue_context_t *ue_context, NR_MeasurementReport_t *measurementReport)
{
LOG_D(NR_RRC, "Process Measurement Report\n");
gNB_RRC_UE_t *UE = &ue_context->ue_context;
NR_MeasurementReport__criticalExtensions_PR p = measurementReport->criticalExtensions.present;
if (p != NR_MeasurementReport__criticalExtensions_PR_measurementReport
|| measurementReport->criticalExtensions.choice.measurementReport == NULL) {
LOG_E(NR_RRC, "UE %d: expected presence of MeasurementReport, but has %d (%p)\n", UE->rrc_ue_id, p, measurementReport->criticalExtensions.choice.measurementReport);
return;
}
if (LOG_DEBUGFLAG(DEBUG_ASN1))
xer_fprint(stdout, &asn_DEF_NR_MeasurementReport, (void *)measurementReport);
DevAssert(measurementReport->criticalExtensions.present == NR_MeasurementReport__criticalExtensions_PR_measurementReport
&& measurementReport->criticalExtensions.choice.measurementReport != NULL);
gNB_RRC_UE_t *ue_ctxt = &ue_context->ue_context;
NR_MeasConfig_t *meas_config = ue_ctxt->measConfig;
NR_MeasConfig_t *meas_config = UE->measConfig;
if (meas_config == NULL) {
LOG_I(NR_RRC, "Unexpected Measurement Report from UE with id: %d\n", ue_ctxt->rrc_ue_id);
LOG_I(NR_RRC, "Unexpected Measurement Report from UE with id: %d\n", UE->rrc_ue_id);
return;
}