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Date:      Mon, 30 Dec 2019 07:39:08 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 242784] arp: segfault on service netif restart
Message-ID:  <bug-242784-7501-WpjFn2HgTn@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-242784-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-242784-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D242784

Eugene Grosbein <eugen@freebsd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |eugen@freebsd.org

--- Comment #5 from Eugene Grosbein <eugen@freebsd.org> ---
> Dec 29 23:40:54 <kern.info> kernel: pid 43492 (arp), jid 0, uid 0: exited=
 on signal 11 (core dumped)

You have coredump, so this should be easy to fix if you rebuild /usr/sbin/a=
rp
binary with debugging symbols. Provided you have sources installed:

cd /usr/src/usr.sbin/arp && make clean obj depend && make "DEBUG_FLAGS=3D-O=
0 -g"
&& install /usr/obj/usr/src/usr.sbin/arp/arp /usr/sbin/

Then reproduce the problem to make new coredump and post backtrace:

gdb /usr/sbin/arp arp.core
backtrace

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