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Date: Thu, 20 Feb 1997 13:34:26 -0800 (PST)
From: rtm@eecs.harvard.edu
To: freebsd-gnats-submit@freebsd.org
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Subject: kern/2783: route change -mtu xx on an ARP route causes a crash in 2.1.5 and 2.2.
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>Number:         2783
>Category:       kern
>Synopsis:       route change -mtu xx on an ARP route causes a crash in 2.1.5 and 2.2.
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Feb 20 13:40:01 PST 1997
>Last-Modified:
>Originator:     Robert Morris
>Organization:
Harvard
>Release:        2.1.5 and 2.2
>Environment:
FreeBSD tapioca.viaweb.com 2.1.5-RELEASE FreeBSD 2.1.5-RELEASE #0: Thu Feb 20 16:02:58 EST 1997     root@tapioca.viaweb.com:/usr/src/sys/compile/LAME  i386

>Description:
route change A.B.C.D -mtu 576

causes a crash if A.B.C.D is a host on the local net and the
routing entry involved is an ARP route.

route_output() calls ifa_ifwithroute() with a null gateway argument
because ARP routes have no gateway.
>How-To-Repeat:

>Fix:

>Audit-Trail:
>Unformatted: