9.17.21 RUNTIME_CHECK(csock->tls.tls != ((void *)0)) failed

[sthaug at nethelp.no]

> Followup: Unfortunately, this didn't solve the whole problem. While
> doing the above testing I was running named as root, in order to
> generate a core dump. When I'm now testing with named running as
> user bind (and then dropping privileges after startup), it seems to
> be unable to rebind to port 853 after an "rndc reconfigure". This
> is probably expected since 853 is a "privileged" port.
> 
> The error messages I'm getting after an "rndc reconfig" are:
> 
> Jan 24 12:41:25 dns named[6281]: listening on IPv4 interface lo0, 127.0.0.1#853
> Jan 24 12:41:25 dns named[6281]: creating TLS socket: permission denied
> Jan 24 12:41:25 dns named[6281]: creating IPv4 interface lo0 failed; interface ignored
> Jan 24 12:41:25 dns named[6281]: no longer listening on 193.75.110.2#853
> Jan 24 12:41:25 dns named[6281]: listening on IPv4 interface ixl1.15, 193.75.110.2#853
> Jan 24 12:41:25 dns named[6281]: creating TLS socket: permission denied
> Jan 24 12:41:25 dns named[6281]: creating IPv4 interface ixl1.15 failed; interface ignored
> 
> and the named process no longer listens on TCP port 853.
> 
> Also tried this on 9.17.22, and the same problem occurs.

Now also tried on 9.18.0, and the same problem occurs.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no