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  1. EtherNet/IP Core V3
  2. PSEIP-1006

EIP_OBJECT_LFWD_OPEN_FWD_RES with incorrect packet length results in crash

          Details

          • Type: Bug
          • Status: Closed
          • Priority: Minor
          • Resolution: Fixed
          • Affects Version/s: None
          • Fix Version/s: V3.8.0.12, V3.9.0.0
          • Component/s: None
          • Labels:
            None
          • Account:
            SPC EthernetIp Core (SPCETHERNET)

            Description

            EIP_OBJECT_LFWD_OPEN_FWD_RES with incorrect packet length (e.g. packet size zero) currently leads to firmware crash. It is expected that no crash occurs.

            As stated in the API manual, the response packet size shall be

            ulLen = 60 + n = EIP_OBJECT_FWD_OPEN_FWD_RES_SIZE + n

            n: Length of connection path (`abConnPath`) in bytes +
            Length of “Application Reply” data in `abConnPath`

            Any other packet size is considered invalid and results in no Forward Open Response being sent to the network.

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                      • Reporter:
                        TBaranczyk Thomas Baranczyk
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                        • Created:
                          Updated:
                          Resolved: