Date: Fri, 20 Apr 2018 09:48:43 +0000 (UTC) From: "Andrey V. Elsukov" <ae@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r332810 - stable/11/sys/netinet6 Message-ID: <201804200948.w3K9mhqK015839@repo.freebsd.org>
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Author: ae Date: Fri Apr 20 09:48:42 2018 New Revision: 332810 URL: https://svnweb.freebsd.org/changeset/base/332810 Log: MFC r332475: Add check that mbuf had not multicast layer2 address. Such packets should be handled by ip6_mforward(). Modified: stable/11/sys/netinet6/ip6_fastfwd.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/netinet6/ip6_fastfwd.c ============================================================================== --- stable/11/sys/netinet6/ip6_fastfwd.c Fri Apr 20 03:29:06 2018 (r332809) +++ stable/11/sys/netinet6/ip6_fastfwd.c Fri Apr 20 09:48:42 2018 (r332810) @@ -97,7 +97,8 @@ ip6_tryforward(struct mbuf *m) * Fallback conditions to ip6_input for slow path processing. */ ip6 = mtod(m, struct ip6_hdr *); - if (ip6->ip6_nxt == IPPROTO_HOPOPTS || + if ((m->m_flags & (M_BCAST | M_MCAST)) != 0 || + ip6->ip6_nxt == IPPROTO_HOPOPTS || IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst) || IN6_IS_ADDR_LINKLOCAL(&ip6->ip6_dst) || IN6_IS_ADDR_LINKLOCAL(&ip6->ip6_src) ||
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