Your message dated Sun, 05 Jun 2022 17:18:54 +0000
with message-id <[email protected]>
and subject line Bug#993051: fixed in avahi 0.8-6
has caused the Debian Bug report #993051,
regarding avahi-daemon CPU usage increases over time
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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--
993051: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993051
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: avahi-daemon
Version: 0.8-5
Severity: normal
Dear Maintainer,
After upgrading to Debian Bullseye, I noticed that the Avahi CPU usage on my
server machine was
quite high (eventually 100% of one core). After resetting Avahi, the CPU usage
was normal then
eventually increased over time again until it was again rather high. The
increase appears to be (very roughly) 1 or 2% per hour on my rather humble
Intel(R) Celeron(R)
CPU 4205U @ 1.80GHz.
Checking the journal, I only see the following sorts of lines:
Aug 25 16:21:30 zeta avahi-daemon[313333]: avahi_normalize_name() failed.
Aug 25 16:21:30 zeta avahi-daemon[313333]: avahi_key_new() failed.
Aug 25 16:21:30 zeta avahi-daemon[313333]: avahi_normalize_name() failed.
Aug 25 16:21:30 zeta avahi-daemon[313333]: avahi_key_new() failed.
Aug 25 16:21:31 zeta avahi-daemon[313333]: avahi_normalize_name() failed.
Aug 25 16:21:31 zeta avahi-daemon[313333]: avahi_key_new() failed.
Which was around the time I turned on another machine on my network.
However, the timing was not aligned with when Avahi CPU usage increased.
Instead, it seems to be aligned with when I turn on my printer, but nothing
of note was printed in the log when that happened.
Is there any means for me to gather additional information to help
diagnose this problem?
Thanks,
Ryan
-- System Information:
Debian Release: 11.0
APT prefers stable-security
APT policy: (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 5.10.0-8-amd64 (SMP w/2 CPU threads)
Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_CA.UTF-8 (charmap=UTF-8),
LANGUAGE=en_CA:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages avahi-daemon depends on:
ii adduser 3.118
ii bind9-host [host] 1:9.16.15-1
ii dbus 1.12.20-2
ii init-system-helpers 1.60
ii libavahi-common3 0.8-5
ii libavahi-core7 0.8-5
ii libc6 2.31-13
ii libcap2 1:2.44-1
ii libdaemon0 0.14-7.1
ii libdbus-1-3 1.12.20-2
ii libexpat1 2.2.10-2
ii lsb-base 11.1.0
Versions of packages avahi-daemon recommends:
ii libnss-mdns 0.14.1-2
Versions of packages avahi-daemon suggests:
pn avahi-autoipd <none>
-- no debconf information
--- End Message ---
--- Begin Message ---
Source: avahi
Source-Version: 0.8-6
Done: Michael Biebl <[email protected]>
We believe that the bug you reported is fixed in the latest version of
avahi, 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.
Michael Biebl <[email protected]> (supplier of updated avahi 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: SHA256
Format: 1.8
Date: Sun, 05 Jun 2022 18:33:10 +0200
Source: avahi
Built-For-Profiles: nocheck
Architecture: source
Version: 0.8-6
Distribution: unstable
Urgency: medium
Maintainer: Utopia Maintenance Team
<[email protected]>
Changed-By: Michael Biebl <[email protected]>
Closes: 986018 993051
Changes:
avahi (0.8-6) unstable; urgency=medium
.
[ Luca Boccassi ]
* avahi-daemon: depend on default-dbus-system-bus | dbus-system-bus.
This allows the reference implementation to be removed if using a
different system bus implementation such as dbus-broker.
[smcv: Adjust commit message]
.
[ Simon McVittie ]
* Add patch to fix display of URLs containing '&' in avahi-discover
* Standards-Version: 4.6.0 (no changes required)
* Use recommended debhelper compat level 13
.
[ Michael Biebl ]
* Do not disable timeout cleanup on watch cleanup.
This was causing timeouts to never be removed from the linked list that
tracks them, resulting in both memory and CPU usage to grow larger over
time. Thanks to Gustavo Noronha Silva (Closes: #993051)
* Drop obsolete lsb-base Depends
* Fix NULL pointer crashes when trying to resolve badly-formatted hostnames.
Fixes a local DoS in avahi-daemon that can be triggered by trying to
resolve badly-formatted hostnames on the /run/avahi-daemon/socket
interface. (CVE-2021-3502, Closes: #986018)
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--- End Message ---
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