panic in TCP Limited Transmit after RTO

[Hiten Pandya]

Noritoshi Demizu wrote:
Hi,

 (If this is not the correct mailing list for this kind of report,
  please let me know.  Thank you.)
I am observing the TCP SACK behavior of DragonFlyBSD these days.
Today, I experienced "sent too much" panic in sys/netinet/tcp_input.c
	You are not alone, I've experienced this panic too, just don't
	have a way to reproduce it.  I will give your patch a try.
	Thanks Demizu-san. :-)

		-Hiten