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Handle fault rrcReestablishmentComplete gracefully

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

    Assertion (reestablishment_complete->criticalExtensions.present == NR_RRCReestablishmentComplete__criticalExtensions_PR_rrcReestablishmentComplete) failed!
    In handle_rrcReestablishmentComplete() ../../../openair2/RRC/NR/rrc_gNB.c:1364

Closes: #854
This commit is contained in:
Robert Schmidt
2024-10-17 19:06:45 +02:00
parent d71104da51
commit 542ef1c1c6
1 changed files with 5 additions and 2 deletions
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openair2/RRC/NR/rrc_gNB.c
+5 -2
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@@ -1364,8 +1364,11 @@ static int handle_rrcReestablishmentComplete(const protocol_ctxt_t *const ctxt_p
DevAssert(ue_context_p != NULL);
gNB_RRC_UE_t *UE = &ue_context_p->ue_context;
DevAssert(reestablishment_complete->criticalExtensions.present
== NR_RRCReestablishmentComplete__criticalExtensions_PR_rrcReestablishmentComplete);
NR_RRCReestablishmentComplete__criticalExtensions_PR p = reestablishment_complete->criticalExtensions.present;
if (p != NR_RRCReestablishmentComplete__criticalExtensions_PR_rrcReestablishmentComplete) {
LOG_E(NR_RRC, "UE %d: expected presence of rrcReestablishmentComplete, but message has %d\n", UE->rrc_ue_id, p);
return -1;
}
rrc_gNB_process_RRCReestablishmentComplete(ctxt_pP, ue_context_p, reestablishment_complete->rrc_TransactionIdentifier);
UE->ue_reestablishment_counter++;