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Date:      Tue, 25 Feb 2003 11:46:14 -0300
From:      "Daniel C. Sobral" <dcs@tcoip.com.br>
To:        Robert Watson <rwatson@freebsd.org>
Cc:        current@freebsd.org
Subject:   Re: Witness This
Message-ID:  <3E5B81B6.5030402@tcoip.com.br>
In-Reply-To: <Pine.NEB.3.96L.1030225090838.39246S-100000@fledge.watson.org>
References:  <Pine.NEB.3.96L.1030225090838.39246S-100000@fledge.watson.org>

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Now I think I was premature. It seems there is something unmacish in 
this kernel. Sigh. Well, I'll test with a recent source.

Robert Watson wrote:
> Ok, I've committed it.  Saw your other panic message, hope to look more
> closely today.
> 
> BTW, you might consider running with the mac_test module, as it's intended
> to help diagnose label problems through additional assertions.
> 
> Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
> robert@fledge.watson.org      Network Associates Laboratories
> 
> On Tue, 25 Feb 2003, Daniel C. Sobral wrote:
> 
> 
>>No bugs so far with this.
>>
>>Robert Watson wrote:
>>
>>>Revised patch without typo attached.
>>>
>>>Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
>>>robert@fledge.watson.org      Network Associates Laboratories
>>>
>>>Index: tcp_subr.c
>>>===================================================================
>>>RCS file: /data/fbsd-cvs/ncvs/src/sys/netinet/tcp_subr.c,v
>>>retrieving revision 1.155
>>>diff -u -r1.155 tcp_subr.c
>>>--- tcp_subr.c	21 Feb 2003 23:17:12 -0000	1.155
>>>+++ tcp_subr.c	22 Feb 2003 02:44:42 -0000
>>>@@ -484,7 +484,7 @@
>>> 	m->m_pkthdr.len = tlen;
>>> 	m->m_pkthdr.rcvif = (struct ifnet *) 0;
>>> #ifdef MAC
>>>-	if (tp != NULL) {
>>>+	if (tp != NULL && tp->t_inpcb != NULL) {
>>> 		/*
>>> 		 * Packet is associated with a socket, so allow the
>>> 		 * label of the response to reflect the socket label.
>>
>>
>>-- 
>>Daniel C. Sobral                   (8-DCS)
>>Gerencia de Operacoes
>>Divisao de Comunicacao de Dados
>>Coordenacao de Seguranca
>>TCO
>>Fones: 55-61-313-7654/Cel: 55-61-9618-0904
>>E-mail: Daniel.Capo@tco.net.br
>>         Daniel.Sobral@tcoip.com.br
>>         dcs@tcoip.com.br
>>
>>Outros:
>>	dcs@newsguy.com
>>	dcs@freebsd.org
>>	capo@notorious.bsdconspiracy.net
>>
>>I disagree with what you say, but will defend
>>to the death your right to tell such LIES!
>>
>>


-- 
Daniel C. Sobral                   (8-DCS)
Gerencia de Operacoes
Divisao de Comunicacao de Dados
Coordenacao de Seguranca
TCO
Fones: 55-61-313-7654/Cel: 55-61-9618-0904
E-mail: Daniel.Capo@tco.net.br
         Daniel.Sobral@tcoip.com.br
         dcs@tcoip.com.br

Outros:
	dcs@newsguy.com
	dcs@freebsd.org
	capo@notorious.bsdconspiracy.net

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