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

From: Simon Goldschmidt
Subject: [lwip-devel] [bug #36167] tcp server crash when client closes (maximum window)
Date: Fri, 17 Nov 2017 15:21:18 -0500 (EST)
User-agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36

Update of bug #36167 (project lwip):

             Open/Closed:                    Open => Closed                 


Follow-up Comment #16:

OK, I have successfully triggered this by simulating the netconn behaviour
(without NETCONN_NOAUTORCVD). The socket API seems to be fixed in this regard
since 06.03.2017 when implementing the delayed window update speedup.

Keeping that aside, another way to trigger this via socket API was probably
that before fixing bug #52403, tcp_recved() was called for pbufs left over in
recvmbox on close.

Anyway, I've change the overflow check to be OK in all closing states, not
only for passive close.

Thanks for reporting this, Joan.


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