[lwip-devel] [bug #51447] Sequence number comparisons invoke implementation-defined behavior

[Simon Goldschmidt]

Update of bug #51447 (project lwip):

                  Status:                    None => In Progress            

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Follow-up Comment #15:

It seems like this has been broken by commit
a3d27e30e04bf1daa70dbe63e6c140f42fa7ab97 from 9th september 2004 which added
TCP_SEQ_BETWEEN and uses it to replace various range tests.

That did work for valid segments, but it at least broke this check where
'seqno' and 'pcb->rcv_nxt' are exactly 0x80000000 apart.

I would fix it by reverting that commit for this line in question, but I first
want to check the other changes that commit included to see if there are more
problems of this kind.

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