D24852.id71820.diff
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D24852.id71820.diff
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	Index: tcp_usrreq.c
	===================================================================
	--- tcp_usrreq.c
	+++ tcp_usrreq.c
	@@ -542,6 +542,10 @@
	if (sinp->sin_family == AF_INET
	&& IN_MULTICAST(ntohl(sinp->sin_addr.s_addr)))
	return (EAFNOSUPPORT);
	+ if ((sinp->sin_family == AF_INET) &&
	+ ((ntohl(sinp->sin_addr.s_addr) == 0xffffffff) \|\|
	+ (sinp->sin_addr.s_addr == 0)))
	+ return(EAFNOSUPPORT);
	if ((error = prison_remote_ip4(td->td_ucred, &sinp->sin_addr)) != 0)
	return (error);

	@@ -642,6 +646,11 @@
	error = EAFNOSUPPORT;
	goto out;
	}
	+ if ((ntohl(sin.sin_addr.s_addr) == 0xffffffff) \|\|
	+ (sin.sin_addr.s_addr == 0)) {
	+ error = EAFNOSUPPORT;
	+ goto out;
	+ }
	if ((error = prison_remote_ip4(td->td_ucred,
	&sin.sin_addr)) != 0)
	goto out;
	@@ -1014,6 +1023,13 @@
	error = EAFNOSUPPORT;
	goto out;
	}
	+ if ((ntohl(sinp->sin_addr.s_addr) == 0xffffffff) \|\|
	+ (sinp->sin_addr.s_addr == 0)) {
	+ if (m)
	+ m_freem(m);
	+ error = EAFNOSUPPORT;
	+ goto out;
	+ }
	if ((error = prison_remote_ip4(td->td_ucred,
	&sinp->sin_addr))) {
	if (m)