[lwip-devel] [bug #66235] Assertion "unsent_oversize mismatch (pcb->unsent is NULL)" failed

[Anusha]

URL:
  <https://savannah.nongnu.org/bugs/?66235>

                 Summary: Assertion "unsent_oversize mismatch (pcb->unsent is
NULL)" failed
                   Group: lwIP - A Lightweight TCP/IP stack
               Submitter: anusha
               Submitted: Fri 20 Sep 2024 09:41:53 AM UTC
                Category: TCP
                Severity: 3 - Normal
              Item Group: Crash Error
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None
            lwIP version: 2.1.3


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Follow-up Comments:


-------------------------------------------------------
Date: Fri 20 Sep 2024 09:41:53 AM UTC By: Anusha <anusha>
Assertion "unsent_oversize mismatch (pcb->unsent is NULL)" failed at line 586
in libs/lwip/src/core/tcp_out.cAssertion "tcp_receive: valid queue length"
failed at line 1122 in libs/lwip/src/core/tcp_in.c


The application code sends sensor data every 2 seconds via MQTT to a
MQTT-Broker. Most of the time the application is running for some time and
then dies with the assertion error mentioned above.
I am running this using PSoC6 and have attached lwipopts.h 






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Name: lwipopts.h  Size: 8KiB
<https://file.savannah.nongnu.org/file/lwipopts.h?file_id=56441>

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