The following reply was made to PR kern/146534; it has been noted by GNATS.
From: jhell <jh...@dataix.net>
To: bug-follo...@freebsd.org
Cc:
Subject: Re: kern/146534: [icmp6] wrong source address in echo reply
Date: Sat, 18 Sep 2010 16:52:21 -0400
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This PR seems to have been left behind. While it has been, I have tested
this patch for quite some time now with no downsides noted.
While this in fact fixes the noted problem, attached is a patch that
cleans this patch up a bit.
With this patch applied is correct behavior.
- --
jhell,v
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filename="sys_netinet6_icmp6.c.patch"
--- sys/netinet6/icmp6.c (revision 210616)
+++ sys/netinet6/icmp6.c (working copy)
@@ -2162,8 +2162,21 @@
}
if ((srcp != NULL) &&
- (in6_addrscope(srcp) != in6_addrscope(&ip6->ip6_src)))
- srcp = NULL;
+ (in6_addrscope(srcp) != in6_addrscope(&ip6->ip6_src))) {
+ struct sockaddr_in6 sin6;
+
+ bzero(&sin6, sizeof(sin6));
+ sin6.sin6_family = AF_INET6;
+ sin6.sin6_len = sizeof(sin6);
+ sin6.sin6_addr = origdst;
+
+ ia = (struct in6_ifaddr *)
+ ifa_ifwithaddr((struct sockaddr *)&sin6);
+
+ if (ia && (ia->ia6_flags & IN6_IFF_ANYCAST))
+ srcp = NULL;
+ }
+
if (srcp == NULL) {
int e;
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