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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-08-20 15:53:03 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-09-21 10:29:39 +0200 |
| commit | 18fa92c2dcc6c52e0bf27d214d80f0c25a89b47d (patch) | |
| tree | a3020ac5b1f366f2f0920941b589808e435dbcee /freebsd/sys/netinet6/nd6_rtr.c | |
| parent | Update to FreeBSD head 2017-12-01 (diff) | |
| download | rtems-libbsd-18fa92c2dcc6c52e0bf27d214d80f0c25a89b47d.tar.bz2 | |
Update to FreeBSD head 2018-02-01
Git mirror commit d079ae0442af8fa3cfd6d7ede190d04e64a2c0d4.
Update #3472.
Diffstat (limited to 'freebsd/sys/netinet6/nd6_rtr.c')
| -rw-r--r-- | freebsd/sys/netinet6/nd6_rtr.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/freebsd/sys/netinet6/nd6_rtr.c b/freebsd/sys/netinet6/nd6_rtr.c index 47fc497e..2affacbf 100644 --- a/freebsd/sys/netinet6/nd6_rtr.c +++ b/freebsd/sys/netinet6/nd6_rtr.c @@ -141,6 +141,10 @@ nd6_rs_input(struct mbuf *m, int off, int icmp6len) if (!V_ip6_forwarding || ND_IFINFO(ifp)->flags & ND6_IFF_ACCEPT_RTADV) goto freeit; + /* RFC 6980: Nodes MUST silently ignore fragments */ + if(m->m_flags & M_FRAGMENTED) + goto freeit; + /* Sanity checks */ if (ip6->ip6_hlim != 255) { nd6log((LOG_ERR, @@ -231,6 +235,10 @@ nd6_ra_input(struct mbuf *m, int off, int icmp6len) if (!(ndi->flags & ND6_IFF_ACCEPT_RTADV)) goto freeit; + /* RFC 6980: Nodes MUST silently ignore fragments */ + if(m->m_flags & M_FRAGMENTED) + goto freeit; + if (ip6->ip6_hlim != 255) { nd6log((LOG_ERR, "nd6_ra_input: invalid hlim (%d) from %s to %s on %s\n", |