[lwip-devel] [bug #61139] Crash when closing PPP

[Conor Shore]

URL:
  <https://savannah.nongnu.org/bugs/?61139>

                 Summary: Crash when closing PPP
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: conor_shore
            Submitted on: Fri 10 Sep 2021 01:13:20 PM UTC
                Category: PPP
                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: git head

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Details:

When closing PPP with ppp_close, if no callback is registered to the ppp_pcb
at link_status_cb, lwip will try to execute function at address 0, causing
hard fault.




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