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[SMF] Avoid crash if smf_ue_pool is full (1024 UEs) (#1397)

This commit is contained in:
Pau Espin 2022-02-28 13:27:27 +01:00 committed by GitHub
parent efe37c1e84
commit ba3a046c62
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 5 deletions
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21
src/smf/context.c
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@ -779,7 +779,11 @@ smf_ue_t *smf_ue_add_by_supi(char *supi)
ogs_assert(supi);
ogs_pool_alloc(&smf_ue_pool, &smf_ue);
ogs_assert(smf_ue);
if (!smf_ue) {
ogs_error("Maximum number of smf_ue[%lld] reached",
(long long)ogs_app()->max.ue);
return NULL;
}
memset(smf_ue, 0, sizeof *smf_ue);
ogs_list_init(&smf_ue->sess_list);
@ -804,7 +808,11 @@ smf_ue_t *smf_ue_add_by_imsi(uint8_t *imsi, int imsi_len)
ogs_assert(imsi_len);
ogs_pool_alloc(&smf_ue_pool, &smf_ue);
ogs_assert(smf_ue);
if (!smf_ue) {
ogs_error("Maximum number of smf_ue[%lld] reached",
(long long)ogs_app()->max.ue);
return NULL;
}
memset(smf_ue, 0, sizeof *smf_ue);
ogs_list_init(&smf_ue->sess_list);
@ -1077,7 +1085,8 @@ smf_sess_t *smf_sess_add_by_gtp1_message(ogs_gtp1_message_t *message)
smf_ue = smf_ue_find_by_imsi(req->imsi.data, req->imsi.len);
if (!smf_ue) {
smf_ue = smf_ue_add_by_imsi(req->imsi.data, req->imsi.len);
ogs_assert(smf_ue);
if (!smf_ue)
return NULL;
}
sess = smf_sess_find_by_apn(smf_ue, apn, req->rat_type.u8);
@ -1139,7 +1148,8 @@ smf_sess_t *smf_sess_add_by_gtp_message(ogs_gtp_message_t *message)
smf_ue = smf_ue_find_by_imsi(req->imsi.data, req->imsi.len);
if (!smf_ue) {
smf_ue = smf_ue_add_by_imsi(req->imsi.data, req->imsi.len);
ogs_assert(smf_ue);
if (!smf_ue)
return NULL;
}
sess = smf_sess_find_by_apn(smf_ue, apn, req->rat_type.u8);
@ -1247,7 +1257,8 @@ smf_sess_t *smf_sess_add_by_sbi_message(ogs_sbi_message_t *message)
smf_ue = smf_ue_find_by_supi(SmContextCreateData->supi);
if (!smf_ue) {
smf_ue = smf_ue_add_by_supi(SmContextCreateData->supi);
ogs_assert(smf_ue);
if (!smf_ue)
return NULL;
}
sess = smf_sess_find_by_psi(smf_ue, SmContextCreateData->pdu_session_id);