From: Matthew Dillon <dillon@apollo.backplane.com>
Date: Thu, 16 Sep 2010 07:38:49 +0000 (-0700)
Subject: network - Fix nasty bug in udp6_send()
X-Git-Url: https://gitweb.dragonflybsd.org/~uqs/games.git/commitdiff_plain/c14a35e96cf7d2910e09862ad8374f5c28acc91c

network - Fix nasty bug in udp6_send()

* This bug was causing machines receiving inet6 udp packets to crash
  very quickly, but was nearly impossible to find due to the weird
  way it caused mbufs to interact.

Reported-by: Peter Avalos <peter@theshell.com>,
	     Francois Tigeot <ftigeot@wolfpond.org>
---

diff --git a/sys/netinet6/udp6_usrreq.c b/sys/netinet6/udp6_usrreq.c
index f3b9bf02f7..0bf83d1950 100644
--- a/sys/netinet6/udp6_usrreq.c
+++ b/sys/netinet6/udp6_usrreq.c
@@ -819,6 +819,8 @@ udp6_send(netmsg_t msg)
 	}
 
 	error = udp6_output(inp, m, addr, control, td);
+	lwkt_replymsg(&msg->send.base.lmsg, error);
+	return;
 bad:
 	m_freem(m);
 	lwkt_replymsg(&msg->send.base.lmsg, error);