Date: Mon, 17 Sep 2001 10:30:08 -0700 (PDT) From: "Lars Eggert" <larse@ISI.EDU> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/30524: 4.4-RC4: panic in icmp_reflect [WITH PATCH] Message-ID: <200109171730.f8HHU8n00638@freefall.freebsd.org>
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The following reply was made to PR kern/30524; it has been noted by GNATS.
From: "Lars Eggert" <larse@ISI.EDU>
To: <freebsd-gnats-submit@FreeBSD.org>
Cc:
Subject: Re: kern/30524: 4.4-RC4: panic in icmp_reflect [WITH PATCH]
Date: Mon, 17 Sep 2001 10:21:31 -0800
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FWIW, here's the updated patch.
--- /usr/src/sys/netinet/ip_icmp.c.orig Mon Sep 17 09:57:37 2001
+++ /usr/src/sys/netinet/ip_icmp.c Mon Sep 17 10:14:32 2001
@@ -640,8 +640,13 @@
* The following happens if the packet was not addressed to us,
* and was received on an interface with no IP address.
*/
- if (ia == (struct in_ifaddr *)0)
+ if (ia == (struct in_ifaddr *)0) {
+ if (TAILQ_EMPTY(&in_ifaddrhead)) {
+ m_freem(m); /* Cannot find interface address
*/
+ goto done; /* to send ICMP packet from. */
+ }
ia = in_ifaddrhead.tqh_first;
+ }
t = IA_SIN(ia)->sin_addr;
ip->ip_src = t;
ip->ip_ttl = ip_defttl;
Will this issue be resolved before 4.4? Either with this patch, or with a
better solution?
Thanks,
Lars
--
Lars Eggert <larse@isi.edu> Information Sciences Institute
http://www.isi.edu/larse/ University of Southern California
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