[lwip-devel] [bug #1713] Out-of-sequence TCP segments should be timed out

[Jim Pettinato]

Follow-up Comment #1, bug #1713 (project lwip):


Noticed that this bug is still in the list... but browsing the code, it
appears that a patch has already been applied to address this (see below).
Perhaps this bug just needs a status update and closed? (I didn't go back and
browse the history to see when this was added... but it was in at least by
0.7.2 I think).

in tcp_slowtmr():
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    /* If this PCB has queued out of sequence data, but has been
       inactive for too long, will drop the data (it will eventually
       be retransmitted). */
#if TCP_QUEUE_OOSEQ
    if (pcb->ooseq != NULL &&
       (u32_t)tcp_ticks - pcb->tmr >=
       pcb->rto * TCP_OOSEQ_TIMEOUT) {
      tcp_segs_free(pcb->ooseq);
      pcb->ooseq = NULL;
      LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_slowtmr: dropping OOSEQ queued
data\n"))
    }
#endif /* TCP_QUEUE_OOSEQ */

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