radvd issue on CURRENT

Andrey V. Elsukov ae at FreeBSD.org
Fri Jul 3 07:59:48 UTC 2015


On 03.07.2015 09:31, Kristof Provost wrote:
Hi Kristof,

can you test this patch instead:
Index: ip6_output.c
===================================================================
--- ip6_output.c	(revision 284791)
+++ ip6_output.c	(working copy)
@@ -2189,12 +2189,13 @@ ip6_getpcbopt(struct ip6_pktopts *pktopt, int optn

 	switch (optname) {
 	case IPV6_PKTINFO:
-		if (pktopt && pktopt->ip6po_pktinfo)
-			optdata = (void *)pktopt->ip6po_pktinfo;
-		else {
+		optdata = (void *)&null_pktinfo;
+		if (pktopt && pktopt->ip6po_pktinfo) {
+			bcopy(pktopt->ip6po_pktinfo, &null_pktinfo, sizeof(null_pktinfo));
+			in6_clearscope(&null_pktinfo.ipi6_addr);
+		} else {
 			/* XXX: we don't have to do this every time... */
 			bzero(&null_pktinfo, sizeof(null_pktinfo));
-			optdata = (void *)&null_pktinfo;
 		}
 		optdatalen = sizeof(struct in6_pktinfo);
 		break;
@@ -2566,6 +2567,7 @@ ip6_setpktopt(int optname, u_char *buf, int len, s
 		    !IN6_IS_ADDR_UNSPECIFIED(&pktinfo->ipi6_addr)) {
 			struct in6_ifaddr *ia;

+			in6_setscope(&pktinfo->ipi6_addr, ifp);
 			ia = in6ifa_ifpwithaddr(ifp, &pktinfo->ipi6_addr);
 			if (ia == NULL)
 				return (EADDRNOTAVAIL);


-- 
WBR, Andrey V. Elsukov

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