diff options
| author | Martin Pieuchot <mpi@cvs.openbsd.org> | 2017-11-28 15:32:52 +0000 |
|---|---|---|
| committer | Martin Pieuchot <mpi@cvs.openbsd.org> | 2017-11-28 15:32:52 +0000 |
| commit | c0d4cb052d967ed0ae83b29eba3e2a4f44f9d3ce (patch) | |
| tree | a3b3f40864b7442095f2096f091e2efee9e8836a /sys | |
| parent | a1a4a162b9f11bc819f2d766d3aeb5505107cb84 (diff) | |
Fix mbuf leak when an interface is destroyed while forwarding IPv6
packets.
Found by Hrvoje Popovski.
ok visa@, bluhm@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/netinet6/ip6_forward.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/netinet6/ip6_forward.c b/sys/netinet6/ip6_forward.c index b2b6e46e2df..b254756a33b 100644 --- a/sys/netinet6/ip6_forward.c +++ b/sys/netinet6/ip6_forward.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ip6_forward.c,v 1.96 2017/11/21 12:05:09 mpi Exp $ */ +/* $OpenBSD: ip6_forward.c,v 1.97 2017/11/28 15:32:51 mpi Exp $ */ /* $KAME: ip6_forward.c,v 1.75 2001/06/29 12:42:13 jinmei Exp $ */ /* @@ -240,8 +240,10 @@ reroute: * modified by a redirect. */ ifp = if_get(rt->rt_ifidx); - if (ifp == NULL) + if (ifp == NULL) { + m_freem(m); goto freecopy; + } if (rt->rt_ifidx == m->m_pkthdr.ph_ifidx && !srcrt && ip6_sendredirects && (rt->rt_flags & (RTF_DYNAMIC|RTF_MODIFIED)) == 0) { |