diff options
| -rw-r--r-- | sys/netinet6/ip6_input.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/sys/netinet6/ip6_input.c b/sys/netinet6/ip6_input.c index 019d57f..4958d74 100644 --- a/sys/netinet6/ip6_input.c +++ b/sys/netinet6/ip6_input.c @@ -628,8 +628,27 @@ passin: &rt6_key(rin6.ro_rt)->sin6_addr) #endif rin6.ro_rt->rt_ifp->if_type == IFT_LOOP) { - struct in6_ifaddr *ia6 = - (struct in6_ifaddr *)rin6.ro_rt->rt_ifa; + int free_ia6 = 0; + struct in6_ifaddr *ia6; + + /* + * found the loopback route to the interface address + */ + if (rin6.ro_rt->rt_gateway->sa_family == AF_LINK) { + struct sockaddr_in6 dest6; + + bzero(&dest6, sizeof(dest6)); + dest6.sin6_family = AF_INET6; + dest6.sin6_len = sizeof(dest6); + dest6.sin6_addr = ip6->ip6_dst; + ia6 = (struct in6_ifaddr *) + ifa_ifwithaddr((struct sockaddr *)&dest6); + if (ia6 == NULL) + goto bad; + free_ia6 = 1; + } + else + ia6 = (struct in6_ifaddr *)rin6.ro_rt->rt_ifa; /* * record address information into m_tag. @@ -647,6 +666,8 @@ passin: /* Count the packet in the ip address stats */ ia6->ia_ifa.if_ipackets++; ia6->ia_ifa.if_ibytes += m->m_pkthdr.len; + if (ia6 != NULL && free_ia6 != 0) + ifa_free(&ia6->ia_ifa); goto hbhcheck; } else { char ip6bufs[INET6_ADDRSTRLEN]; @@ -657,6 +678,8 @@ passin: ip6_sprintf(ip6bufs, &ip6->ip6_src), ip6_sprintf(ip6bufd, &ip6->ip6_dst))); + if (ia6 != NULL && free_ia6 != 0) + ifa_free(&ia6->ia_ifa); goto bad; } } |
