NetBSD Problem Report #43137
From www@NetBSD.org Thu Apr 8 06:38:38 2010
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Date: Thu, 8 Apr 2010 06:38:37 +0000 (UTC)
From: shigeru@iij.ad.jp
Reply-To: shigeru@iij.ad.jp
To: gnats-bugs@NetBSD.org
Subject: should be pass 'rt->rt_gateway' and 'rt->rt_flags' to 'rtrequest(RTM_DELETE, ...)', which is in nd6_free() @sys/netinet6/nd6.c
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>Number: 43137
>Category: kern
>Synopsis: should be pass 'rt->rt_gateway' and 'rt->rt_flags' to 'rtrequest(RTM_DELETE, ...)', which is in nd6_free() @sys/netinet6/nd6.c
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: kern-bug-people
>State: open
>Class: change-request
>Submitter-Id: net
>Arrival-Date: Thu Apr 08 06:40:01 +0000 2010
>Originator: YAMAMOTO, Shigeru
>Release: NetBSD 5.0.2
>Organization:
Internet Initiative Japan Inc.
>Environment:
NetBSD triton.iij.ad.jp 5.0.2 NetBSD 5.0.2 (GENERIC) #0: Sat Feb 6 17:53:27 UTC 2010 builds@b7.netbsd.org:/home/builds/ab/netbsd-5-0-2-RELEASE/i386/201002061851Z-obj/home/builds/ab/netbsd-5-0-2-RELEASE/src/sys/arch/i386/compile/GENERIC i386
>Description:
in nd6_free()@sys/netinet6/nd6.c, 'rtrequest()' is called without gateway/flags.
rtrequest(RTM_DELETE, rt_getkey(rt), NULL, rt_mask(rt), 0, NULL);
in icmp6_mtudisc_timeout()@sys/netinet6/icmp6.c, 'rtrequest()' is called with gateway/flags.
rtrequest((int) RTM_DELETE, rt_getkey(rt),
rt->rt_gateway, rt_mask(rt), rt->rt_flags, 0);
I think, rtrequest() in nd6_free() shoudl be called with gateway/flags, same as icmp6_mtudisc_timeout().
>How-To-Repeat:
>Fix:
I make a patch for -current.
------------------------------------------------------------------------
Index: sys/netinet6/nd6.c
===================================================================
RCS file: /share/cvsup/NetBSD/src/sys/netinet6/nd6.c,v
retrieving revision 1.135
diff -u -r1.135 nd6.c
--- sys/netinet6/nd6.c 6 Nov 2009 20:41:22 -0000 1.135
+++ sys/netinet6/nd6.c 8 Apr 2010 06:25:58 -0000
@@ -1077,7 +1077,8 @@
* caches, and disable the route entry not to be used in already
* cached routes.
*/
- rtrequest(RTM_DELETE, rt_getkey(rt), NULL, rt_mask(rt), 0, NULL);
+ rtrequest(RTM_DELETE, rt_getkey(rt),
+ rt->rt_gateway, rt_mask(rt), rt->rt_flags, NULL);
return next;
}
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