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Date:      Sun, 02 Jul 2023 13:43:09 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 272319] FreeBSD kernel crash on MPD5 restart with PPP configuration.
Message-ID:  <bug-272319-7501-d2ZxbRRfXo@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-272319-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-272319-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=272319

--- Comment #11 from ny <ny2007ltd@gmail.com> ---
I have check  
     if (!SOLISTENING(priv->so)) 
patch with FreeBSD 13.2 AMD64.

Yes, kernel have stopped to crash on mpd5 restart. Thanks.

At same time telnet into 127.0.0.1 port 57 still not produce { {{{{ {{{ {{.

PPP/TCP problem in MPD5 was started from FreeBSD 12.0 and active up to now.
In FreeBSD 11 - all was fine.

Look like some extra bug exist inside kernel netgraph code, which is not allow
mpd5 to listen PPP/TCP socket in correct way and send answers back to PPP
client.

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