Release UE upon reception of integrity error.

lib/src/upper/pdcp_entity_lte.cc

@@ -301,8 +301,7 @@ void pdcp_entity_lte::handle_srb_pdu(srsran::unique_byte_buffer_t pdu)
 
   // Perfrom integrity checks
   if (integrity_direction == DIRECTION_RX || integrity_direction == DIRECTION_TXRX) {
-    bool pdu_valid = integrity_verify(pdu->msg, pdu->N_bytes, count, mac);
-    if (not pdu_valid) {
+    if (not integrity_verify(pdu->msg, pdu->N_bytes, count, mac)) {
       logger.error(pdu->msg, pdu->N_bytes, "%s Dropping PDU", rrc->get_rb_name(lcid));
       rrc->notify_pdcp_integrity_error(lcid);
       return; // Discard

srsenb/src/stack/rrc/rrc.cc

@@ -292,7 +292,8 @@ void rrc::write_pdu(uint16_t rnti, uint32_t lcid, srsran::unique_byte_buffer_t p
 
 void rrc::notify_pdcp_integrity_error(uint16_t rnti, uint32_t lcid)
 {
-  logger.warning("Received Integrity Protection failured indication, rnti=0x%u, lcid=%u", rnti, lcid);
+  logger.warning("Received integrity protection failure indication, rnti=0x%u, lcid=%u", rnti, lcid);
+  release_ue(rnti);
 }
 
 /*******************************************************************************

srsue/src/stack/rrc/rrc.cc

@@ -1622,7 +1622,7 @@ void rrc::write_pdu(uint32_t lcid, unique_byte_buffer_t pdu)
 
 void rrc::notify_pdcp_integrity_error(uint32_t lcid)
 {
-  logger.warning("Received Integrity Protection failured indication, rnti=0x%u, lcid=%u", lcid);
+  logger.warning("Received integrity protection failure indication, lcid=%u", lcid);
 }
 
 void rrc::process_pdu(uint32_t lcid, srsran::unique_byte_buffer_t pdu)