[lwip-devel] [bug #26301] Out of order FIN closes half-closed connection

[Oleg Tyshev]

Follow-up Comment #3, bug #26301 (project lwip):

Reply to comment #2

It looks good, but I don't understand why this code for checking
if (pcb->state != CLOSE_WAIT) {
was written early.

For this code condition
if (pcb->rcv_nxt == seqno) {
is already true.

It means
pcb->rcv_nxt += tcplen;
equal to
pcb->rcv_nxt = seqno + tcplen;





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