Date: Fri, 3 Oct 2014 08:46:50 +0000 (UTC) From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r272469 - head/sys/netinet6 Message-ID: <201410030846.s938koJ6037452@svn.freebsd.org>
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Author: tuexen Date: Fri Oct 3 08:46:49 2014 New Revision: 272469 URL: https://svnweb.freebsd.org/changeset/base/272469 Log: UPD and UDPLite require a checksum. So check for it. MFC after: 3 days Modified: head/sys/netinet6/udp6_usrreq.c Modified: head/sys/netinet6/udp6_usrreq.c ============================================================================== --- head/sys/netinet6/udp6_usrreq.c Fri Oct 3 04:13:25 2014 (r272468) +++ head/sys/netinet6/udp6_usrreq.c Fri Oct 3 08:46:49 2014 (r272469) @@ -237,11 +237,19 @@ udp6_input(struct mbuf **mp, int *offp, /* XXX: What is the right UDPLite MIB counter? */ goto badunlocked; } + if (uh->uh_sum == 0) { + /* XXX: What is the right UDPLite MIB counter? */ + goto badunlocked; + } } else { if ((ulen < sizeof(struct udphdr)) || (plen != ulen)) { UDPSTAT_INC(udps_badlen); goto badunlocked; } + if (uh->uh_sum == 0) { + UDPSTAT_INC(udps_nosum); + goto badunlocked; + } } if ((m->m_pkthdr.csum_flags & CSUM_DATA_VALID_IPV6) &&
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