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[lwip-devel] [bug #3168] Handling UDP/TCP PCBs upon netif address change
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From: |
Simon Goldschmidt |
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Subject: |
[lwip-devel] [bug #3168] Handling UDP/TCP PCBs upon netif address change. |
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Date: |
Tue, 06 Mar 2007 11:55:53 +0000 |
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User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.8.1.2) Gecko/20070219 Firefox/2.0.0.2 |
Follow-up Comment #3, bug #3168 (project lwip):
Searching through the code, I found out that calling pcb->recv with pbuf
argument = 0 is not a good idea, since at least recv_udp() in api_msg.c
directly dereferences the p pointer without a check.
To fix this bug, we would have to implement closing a UDP connection from the
stack side, which is AFAIK, not yet implemented, is it?
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