There is a race condition that seems to be affecting only me, and apparently only when I
run puTTY as a client. Here's a patch that fixes it, in addition to the one Matt
submitted.
===================================================================
RCS file: /home/dcvs/src/sys/netinet/ip_input.c,v
retrieving revision 1.43
diff -u -r1.43 ip_input.c
--- ip_input.c 29 Dec 2004 03:26:42 -0000 1.43
+++ ip_input.c 5 Jan 2005 21:22:40 -0000
@@ -742,6 +742,8 @@
*/
if (m->m_pkthdr.rcvif->if_flags & IFF_BROADCAST) {
TAILQ_FOREACH(ifa, &m->m_pkthdr.rcvif->if_addrhead, ifa_link) {
+ if (ifa == NULL)
+ continue;
if (ifa->ifa_addr == NULL) /* shutdown/startup race */
continue;
if (ifa->ifa_addr->sa_family != AF_INET)
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