https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230498
--- Comment #13 from i...@niw.com.au ---
I did make a pretty naive fix for this shortly after reporting it as the system
in question was crashing several times a day. Since applying this I have has no
further issues with it. It does mean the application querying gets back some
null pointers, but its likely better the application exits (if it does not
check for NULL pointers) than the entire system crashing ?
Index: rtsock.c
===================================================================
--- rtsock.c (revision 339318)
+++ rtsock.c (working copy)
@@ -1556,8 +1556,10 @@
rt_mask(rt), &ss);
info.rti_info[RTAX_GENMASK] = 0;
if (rt->rt_ifp) {
- info.rti_info[RTAX_IFP] = rt->rt_ifp->if_addr->ifa_addr;
- info.rti_info[RTAX_IFA] = rt->rt_ifa->ifa_addr;
+ if (rt->rt_ifp->if_addr)
+ info.rti_info[RTAX_IFP] =
rt->rt_ifp->if_addr->ifa_addr;
+ if (rt->rt_ifa)
+ info.rti_info[RTAX_IFA] = rt->rt_ifa->ifa_addr;
if (rt->rt_ifp->if_flags & IFF_POINTOPOINT)
info.rti_info[RTAX_BRD] = rt->rt_ifa->ifa_dstaddr;
}
--
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