Author: tuexen Date: Tue Aug 21 14:07:36 2018 New Revision: 338137 URL: https://svnweb.freebsd.org/changeset/base/338137
Log: Fix the inheritance of IPv6 level socket options on TCP sockets. This was broken for IPv6 listening socket, which are not IPV6_ONLY, and the accepted TCP connection was using IPv4. Reviewed by: bz@, rrs@ MFC after: 1 month Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D16792 Modified: head/sys/netinet/tcp_syncache.c Modified: head/sys/netinet/tcp_syncache.c ============================================================================== --- head/sys/netinet/tcp_syncache.c Tue Aug 21 14:04:30 2018 (r338136) +++ head/sys/netinet/tcp_syncache.c Tue Aug 21 14:07:36 2018 (r338137) @@ -770,10 +770,9 @@ syncache_socket(struct syncache *sc, struct socket *ls goto abort; } #ifdef INET6 - if (sc->sc_inc.inc_flags & INC_ISIPV6) { + if (inp->inp_vflag & INP_IPV6PROTO) { struct inpcb *oinp = sotoinpcb(lso); - struct in6_addr laddr6; - struct sockaddr_in6 sin6; + /* * Inherit socket options from the listening socket. * Note that in6p_inputopts are not (and should not be) @@ -787,6 +786,11 @@ syncache_socket(struct syncache *sc, struct socket *ls if (oinp->in6p_outputopts) inp->in6p_outputopts = ip6_copypktopts(oinp->in6p_outputopts, M_NOWAIT); + } + + if (sc->sc_inc.inc_flags & INC_ISIPV6) { + struct in6_addr laddr6; + struct sockaddr_in6 sin6; sin6.sin6_family = AF_INET6; sin6.sin6_len = sizeof(sin6); _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
