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[AMF] guard ran_ue to avoid assertion crash [#3851]

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If `ran_ue` has already been removed, log a warning using the UE’s SUPI
instead of triggering an assertion failure.
This commit is contained in:
Sukchan Lee
2025-05-05 10:14:48 +09:00
parent c145fc88aa
commit 2231e48870
1 changed files with 24 additions and 16 deletions
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40
src/amf/nsmf-handler.c
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@@ -586,15 +586,19 @@ int amf_nsmf_pdusession_handle_update_sm_context(
* 6. UEContextReleaseComplete
*/
ogs_warn("PDUSessionResourceSetupResponse(Unsuccessful)");
ogs_assert(ran_ue);
ogs_assert(ran_ue->deactivation.group);
if (ran_ue) {
ogs_assert(ran_ue->deactivation.group);
r = ngap_send_ran_ue_context_release_command(ran_ue,
ran_ue->deactivation.group,
ran_ue->deactivation.cause,
NGAP_UE_CTX_REL_NG_REMOVE_AND_UNLINK, 0);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
r = ngap_send_ran_ue_context_release_command(ran_ue,
ran_ue->deactivation.group,
ran_ue->deactivation.cause,
NGAP_UE_CTX_REL_NG_REMOVE_AND_UNLINK, 0);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
} else {
ogs_warn("[%s] RAN-NG Context has already been removed",
amf_ue->supi);
}
} else if (state == AMF_UPDATE_SM_CONTEXT_MODIFIED) {
/*
@@ -625,15 +629,19 @@ int amf_nsmf_pdusession_handle_update_sm_context(
*/
if (AMF_SESSION_SYNC_DONE(amf_ue, state)) {
ogs_assert(ran_ue);
ogs_assert(ran_ue->deactivation.group);
if (ran_ue) {
ogs_assert(ran_ue->deactivation.group);
r = ngap_send_ran_ue_context_release_command(ran_ue,
ran_ue->deactivation.group,
ran_ue->deactivation.cause,
NGAP_UE_CTX_REL_NG_REMOVE_AND_UNLINK, 0);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
r = ngap_send_ran_ue_context_release_command(ran_ue,
ran_ue->deactivation.group,
ran_ue->deactivation.cause,
NGAP_UE_CTX_REL_NG_REMOVE_AND_UNLINK, 0);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
} else {
ogs_warn("[%s] RAN-NG Context has already been removed",
amf_ue->supi);
}
}
} else if (state == AMF_UPDATE_SM_CONTEXT_REGISTRATION_REQUEST) {