Date: Tue, 22 Oct 2002 13:42:18 +0900 From: SUZUKI Shinsuke <suz@freebsd.org> To: "luke mazza" <lukemazza@hotmail.com> Cc: freebsd-bugs@FreeBSD.ORG Subject: Re: system kill Message-ID: <x7k7kbm6dx.wl@s30.crl.hitachi.co.jp> In-Reply-To: <F141xN1GwljxkhQVWN1000046d3@hotmail.com> References: <F141xN1GwljxkhQVWN1000046d3@hotmail.com>
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--Multipart_Tue_Oct_22_13:42:18_2002-1
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Hello Luke,
>>>>> On Sun, 20 Oct 2002 16:31:56 -0700
>>>>> lukemazza@hotmail.com("luke mazza") said:
> well when playing around trying to troubleshoot some ipv6 issues i came
> across something i think you guys might want to take a look at
>
> when i issue the command
> ifconfig stf0 inet 66.69.16.11 alias
>
> everything crashes and forces reboot
Could you please try this patch?
(it's a patch for current, but I believe it works for 4.7-RELEASE, too)
If you can confirm it works fine, I'll commit it to freebsd-current
(and MFC later).
Thanks,
----
SUZUKI, Shinsuke @ Hitachi / KAME Project
--Multipart_Tue_Oct_22_13:42:18_2002-1
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Index: in.c
===================================================================
RCS file: /home/ncvs/src/sys/netinet/in.c,v
retrieving revision 1.66
diff -u -r1.66 in.c
--- in.c 10 Jun 2002 20:05:36 -0000 1.66
+++ in.c 22 Oct 2002 04:37:21 -0000
@@ -664,7 +664,12 @@
int s = splimp(), flags = RTF_UP, error = 0;
oldaddr = ia->ia_addr;
+ if (oldaddr.sin_family == AF_INET)
+ LIST_REMOVE(ia, ia_hash);
ia->ia_addr = *sin;
+ if (ia->ia_addr.sin_family == AF_INET)
+ LIST_INSERT_HEAD(INADDR_HASH(ia->ia_addr.sin_addr.s_addr),
+ ia, ia_hash);
/*
* Give the interface a chance to initialize
* if this is its first address,
@@ -673,14 +678,13 @@
if (ifp->if_ioctl &&
(error = (*ifp->if_ioctl)(ifp, SIOCSIFADDR, (caddr_t)ia))) {
splx(s);
+ /* LIST_REMOVE(ia, ia_hash) is done in in_control */
ia->ia_addr = oldaddr;
+ if (ia->ia_addr.sin_family == AF_INET)
+ LIST_INSERT_HEAD(INADDR_HASH(ia->ia_addr.sin_addr.s_addr),
+ ia, ia_hash);
return (error);
}
- if (oldaddr.sin_family == AF_INET)
- LIST_REMOVE(ia, ia_hash);
- if (ia->ia_addr.sin_family == AF_INET)
- LIST_INSERT_HEAD(INADDR_HASH(ia->ia_addr.sin_addr.s_addr),
- ia, ia_hash);
splx(s);
if (scrub) {
ia->ia_ifa.ifa_addr = (struct sockaddr *)&oldaddr;
--Multipart_Tue_Oct_22_13:42:18_2002-1--
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