Your message dated Sat, 19 Sep 2020 08:37:57 +0000
with message-id <[email protected]>
and subject line Bug#965284: fixed in opendmarc 1.4.0~beta1+dfsg-3
has caused the Debian Bug report #965284,
regarding opendmarc: postinst script hangs during installation
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
965284: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=965284
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: opendmarc
Version: 1.3.2-6+deb10u1
Tags: patch
Severity: important
Dear maintainer,
I have found the following problem with the opendmarc package.
Firstly, note that I do not use systemd
and this may be the reason why the bug had not been noticed yet,
as I suspect it would not occur
(or not be noticeable)
with systemd.
The issue that occurred to me is as follows.
During installation,
(more precisely, during package configuration)
the daemon is started
but, immediately after, dpkg hangs
as if waiting for the configure script to exit.
I can also see that the daemon is indeed running as normal
but the "postinst" script is a zombie.
I was then able to make the installation complete *successfully*
by killing the opendmarc daemon.
Upon further investigation,
I concluded that the cause is the following.
Looking into the postinst script,
I see that it sources "confmodule".
That being the case,
file descriptor 3 gets attached to what was stdin.
Apparently, all file descriptors must be closed
by the daemon (or by whoever execs it)
else debconf hangs
(see http://www.fifi.org/doc/debconf-doc/tutorial.html#AEN198).
As it turns out, looking at the source of opendmarc,
I see that opendmarc only closes file descriptors 0, 1 and 2
but not 3.
Note that I am not a Debian developer
and my analysis might be incorrect.
I am, however, providing my guess as to how this should be fixed
but I would suggest that someone else check this carefully.
P.S.: Judging by similar bug reports,
this seems to be a common issue with debconf
(c.f. #227482 #782753)
so maybe you will know a better solution.
Yours faithfully,
B.R.S. Roso.
opendmarc.postinst.diff
Description: Binary data
--- End Message ---
--- Begin Message ---
Source: opendmarc
Source-Version: 1.4.0~beta1+dfsg-3
Done: =?utf-8?q?David_B=C3=BCrgin?= <[email protected]>
We believe that the bug you reported is fixed in the latest version of
opendmarc, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
David Bürgin <[email protected]> (supplier of updated opendmarc package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Sat, 19 Sep 2020 08:40:47 +0200
Source: opendmarc
Architecture: source
Version: 1.4.0~beta1+dfsg-3
Distribution: unstable
Urgency: high
Maintainer: Scott Kitterman <[email protected]>
Changed-By: David Bürgin <[email protected]>
Closes: 965284 966464
Changes:
opendmarc (1.4.0~beta1+dfsg-3) unstable; urgency=high
.
* Cherry-pick patch for CVE-2020-12460 from upstream:
- Add proper null-termination in opendmarc_xml_parse (Closes: #966464)
* Shut down debconf with db_stop in opendmarc.postinst,
patch by "B.R.S.Roso" <[email protected]> (Closes: #965284)
* Add missing DEP-3 headers tracking upstream bug in d/patches
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