[lwip-devel] [bug #36167] tcp server crash when client closes (maximum window)

[Simon Goldschmidt]

Update of bug #36167 (project lwip):

                  Status:               Confirmed => In Progress            
             Assigned to:                    None => goldsimon              

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Follow-up Comment #7:

Sorry for taking so long, but it seems that most of your solutions are
correct:
- on the one hand, the stack should be OK with an application not calling
tcp_recved() for the FIN,
- on the other hand, calling tcp_recved() for the FIN should not break the
stack

Given that, I think we should just check for the FIN byte when calling
tcp_recved() - changing the assert from '0xffff' to '0xffffffff' is not the
correct solution as it doesn't allow normal TCP connections (without window
scaling) to use the window size 0xffff.

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  <http://savannah.nongnu.org/bugs/?36167>

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