Date: Thu, 19 May 2005 13:23:31 -0700 From: Bakul Shah <bakul@BitBlocks.com> To: Maksim Yevmenkin <maksim.yevmenkin@savvis.net> Cc: freebsd-current@freebsd.org Subject: Re: CURRENT: ifconfig tap0 results in core dump Message-ID: <200505192023.j4JKNVLw038968@gate.bitblocks.com> In-Reply-To: Your message of "Thu, 19 May 2005 12:25:55 PDT." <428CE843.7040705@savvis.net>
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i don't know about the if_tap.c fix but the following at
fixes the segfault in ifconfig.c without any information loss
as far as i can tell.
Index: ifconfig.c
===================================================================
RCS file: /home/ncvs/src/sbin/ifconfig/ifconfig.c,v
retrieving revision 1.112
diff -w -u -b -r1.112 ifconfig.c
--- ifconfig.c 8 Apr 2005 21:37:41 -0000 1.112
+++ ifconfig.c 19 May 2005 20:14:02 -0000
@@ -869,7 +869,7 @@
if (allfamilies) {
const struct afswtch *p;
p = af_getbyfamily(info.rti_info[RTAX_IFA]->sa_family);
- if (p != NULL)
+ if (p != NULL && p->af_status != NULL)
p->af_status(s, &info);
} else if (afp->af_af == info.rti_info[RTAX_IFA]->sa_family)
afp->af_status(s, &info);
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