3571e53040
patches for easier mirroring, to eliminate a special copy, to make www.freebsd.org/security a full copy of security.freebsd.org and be eventually be the same. For now files are just sitting there. The symlinks are missing. Discussed on: www (repository location) Discussed with: simon (so)
128 lines
3.2 KiB
Diff
128 lines
3.2 KiB
Diff
Index: sys/netinet6/in6.c
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===================================================================
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--- sys/netinet6/in6.c.orig
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+++ sys/netinet6/in6.c
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@@ -1369,6 +1369,8 @@ in6_purgeaddr(struct ifaddr *ifa)
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}
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cleanup:
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+ if (ifa0 != NULL)
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+ ifa_free(ifa0);
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plen = in6_mask2len(&ia->ia_prefixmask.sin6_addr, NULL); /* XXX */
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if ((ia->ia_flags & IFA_ROUTE) && plen == 128) {
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@@ -1393,8 +1395,6 @@ cleanup:
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return;
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ia->ia_flags &= ~IFA_ROUTE;
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}
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- if (ifa0 != NULL)
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- ifa_free(ifa0);
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in6_unlink_ifa(ia, ifp);
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}
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@@ -1667,14 +1667,19 @@ in6_lifaddr_ioctl(struct socket *so, u_long cmd, c
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hostid = IFA_IN6(ifa);
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/* prefixlen must be <= 64. */
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- if (64 < iflr->prefixlen)
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+ if (64 < iflr->prefixlen) {
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+ if (ifa != NULL)
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+ ifa_free(ifa);
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return EINVAL;
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+ }
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prefixlen = iflr->prefixlen;
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/* hostid part must be zero. */
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sin6 = (struct sockaddr_in6 *)&iflr->addr;
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if (sin6->sin6_addr.s6_addr32[2] != 0 ||
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sin6->sin6_addr.s6_addr32[3] != 0) {
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+ if (ifa != NULL)
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+ ifa_free(ifa);
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return EINVAL;
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}
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} else
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@@ -2265,14 +2265,20 @@ in6_ifawithifp(struct ifnet *ifp, struct in6_addr
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IN6_IFADDR_RUNLOCK();
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return (struct in6_ifaddr *)ifa;
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}
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- IN6_IFADDR_RUNLOCK();
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/* use the last-resort values, that are, deprecated addresses */
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- if (dep[0])
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+ if (dep[0]) {
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+ ifa_ref((struct ifaddr *)dep[0]);
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+ IN6_IFADDR_RUNLOCK();
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return dep[0];
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- if (dep[1])
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+ }
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+ if (dep[1]) {
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+ ifa_ref((struct ifaddr *)dep[1]);
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+ IN6_IFADDR_RUNLOCK();
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return dep[1];
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+ }
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+ IN6_IFADDR_RUNLOCK();
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return NULL;
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}
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Index: sys/netinet6/ip6_input.c
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===================================================================
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--- sys/netinet6/ip6_input.c.orig
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+++ sys/netinet6/ip6_input.c
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@@ -879,19 +879,23 @@ passin:
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* as our interface address (e.g. multicast addresses, addresses
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* within FAITH prefixes and such).
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*/
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- if (deliverifp && !ip6_getdstifaddr(m)) {
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+ if (deliverifp) {
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struct in6_ifaddr *ia6;
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- ia6 = in6_ifawithifp(deliverifp, &ip6->ip6_dst);
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- if (ia6) {
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- if (!ip6_setdstifaddr(m, ia6)) {
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- /*
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- * XXX maybe we should drop the packet here,
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- * as we could not provide enough information
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- * to the upper layers.
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- */
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+ if ((ia6 = ip6_getdstifaddr(m)) != NULL) {
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+ ifa_free(&ia6->ia_ifa);
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+ } else {
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+ ia6 = in6_ifawithifp(deliverifp, &ip6->ip6_dst);
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+ if (ia6) {
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+ if (!ip6_setdstifaddr(m, ia6)) {
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+ /*
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+ * XXX maybe we should drop the packet here,
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+ * as we could not provide enough information
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+ * to the upper layers.
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+ */
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+ }
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+ ifa_free(&ia6->ia_ifa);
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}
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- ifa_free(&ia6->ia_ifa);
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}
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}
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Index: sys/netinet/tcp_input.c
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===================================================================
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--- sys/netinet/tcp_input.c.orig
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+++ sys/netinet/tcp_input.c
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@@ -512,6 +512,8 @@ tcp6_input(struct mbuf **mp, int *offp, int proto)
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(caddr_t)&ip6->ip6_dst - (caddr_t)ip6);
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return IPPROTO_DONE;
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}
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+ if (ia6)
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+ ifa_free(&ia6->ia_ifa);
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tcp_input(m, *offp);
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return IPPROTO_DONE;
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@@ -1240,7 +1242,8 @@ relocked:
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rstreason = BANDLIM_RST_OPENPORT;
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goto dropwithreset;
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}
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- ifa_free(&ia6->ia_ifa);
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+ if (ia6)
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+ ifa_free(&ia6->ia_ifa);
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}
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#endif /* INET6 */
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/*
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