GTP: check that packets are not larger than max UDP size

2025-06-10 18:00:49 +02:00
parent 842ab32c91
commit 405d122937
1 changed files with 1 additions and 0 deletions
@@ -224,6 +224,7 @@ static int gtpv1uCreateAndSendMsg(int h,
                                  uint8_t extensionHeader_length) {
  LOG_D(GTPU, "Peer IP:%u peer port:%u outgoing teid:%u \n", peerIp, peerPort, teid);

+  DevAssert(msgLen + HDR_MAX < 65536); // maximum size of UDP packet
  uint8_t buffer[msgLen+HDR_MAX]; 
  uint8_t *curPtr=buffer;
  Gtpv1uMsgHeaderT      *msgHdr = (Gtpv1uMsgHeaderT *)buffer ;