Skip invalid MAC CCCH messages for being processed at UE

2021-03-29 16:56:25 +01:00
parent 80941b0c31
commit 56673386dc
1 changed files with 6 additions and 0 deletions
@@ -1827,6 +1827,12 @@ void nr_ue_process_mac_pdu(nr_downlink_indication_t *dl_info,
                mac_subheader_len = 2;
              }

+              // Check if it is a valid CCCH message, we get all 00's messages very often
+              if ( pdu_len != (mac_subheader_len+mac_sdu_len) ) {
+                LOG_D(NR_MAC, "%s() Invalid CCCH message!, pdu_len: %d\n", __func__, pdu_len);
+                return;
+              }
+
              if ( mac_sdu_len > 0 ) {

                LOG_D(NR_MAC,"DL_SCH_LCID_CCCH with payload len %d: bits\n", mac_sdu_len);