[Bug 272319] FreeBSD kernel crash on MPD5 restart with PPP configuration.

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From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 02 Jul 2023 13:52:18 UTC

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

--- Comment #13 from Eugene Grosbein <eugen@freebsd.org> ---
mpd5 uses poll(2) system call to obtain events such as incoming connection from
ng_ksocket. If such an event occurs for TCP ng_ksocket, mpd5 prints either
"Incoming TCP connection from ..." log message at its PHYS loglevel, or "TCP:
error reading message from ..." at its error loglevel in case of error reading
data from ng_ksocket.

My tests show that neither message occurs, so poll(2) is broken for
ng_ksocket().

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