9.17.21 RUNTIME_CHECK(csock->tls.tls != ((void *)0)) failed
sthaug at nethelp.no
sthaug at nethelp.no
Mon Jan 31 17:21:26 UTC 2022
>>> 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.
>
> Please open an issue at https://gitlab.isc.org/isc-projects/bind9/-/issues for this, so the
> issue is properly tracked.
https://gitlab.isc.org/isc-projects/bind9/-/issues/3122
Steinar Haug, Nethelp consulting, sthaug at nethelp.no
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