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Date: Sun, 8 Sep 2002 05:00:16 -0700 (PDT)
Message-Id: <200209081200.g88C0GeQ012979@freefall.freebsd.org>
To: freebsd-bugs@FreeBSD.org
Cc: 
From: Mike Makonnen <makonnen@pacbell.net>
Subject: Re: bin/42544: ifconfig.core,
 nonsense syntax causes "Segmentation fault" in ifconfig
Reply-To: Mike Makonnen <makonnen@pacbell.net>
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The following reply was made to PR bin/42544; it has been noted by GNATS.

From: Mike Makonnen <makonnen@pacbell.net>
To: vd@etrade.bg
Cc: FreeBSD-gnats-submit@FreeBSD.ORG
Subject: Re: bin/42544: ifconfig.core,
 nonsense syntax causes "Segmentation fault" in ifconfig
Date: Sun, 08 Sep 2002 05:11:44 -0700

 Hello Vasil,
 
 Please apply the following patch. It should fix your problem.
 
 Cheers,
 Mike Makonnen.
 
 Index: sbin/ifconfig/ifconfig.c
 ===================================================================
 RCS file: /home/ncvs/src/sbin/ifconfig/ifconfig.c,v
 retrieving revision 1.79
 diff -u -r1.79 ifconfig.c
 --- sbin/ifconfig/ifconfig.c	19 Aug 2002 15:18:24 -0000	1.79
 +++ sbin/ifconfig/ifconfig.c	8 Sep 2002 12:05:12 -0000
 @@ -963,9 +963,10 @@
  notealias(const char *addr, int param, int s, const struct afswtch *afp)
  {
  	if (setaddr && doalias == 0 && param < 0)
 -		bcopy((caddr_t)rqtosa(af_addreq),
 -		      (caddr_t)rqtosa(af_ridreq),
 -		      rqtosa(af_addreq)->sa_len);
 +		if (afp->af_addreq != NULL && afp->af_ridreq != NULL)
 +			bcopy((caddr_t)rqtosa(af_addreq),
 +			      (caddr_t)rqtosa(af_ridreq),
 +			      rqtosa(af_addreq)->sa_len);
  	doalias = param;
  	if (param < 0) {
  		clearaddr = 1;

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