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Bug#946941: marked as done (cups: Memory leak in cupsd)

Your message dated Mon, 20 Jan 2020 23:17:15 +0000
with message-id <E1itgIG-000Dw6-00@fasolo.debian.org>
and subject line Bug#946941: fixed in cups 2.2.10-6+deb10u2
has caused the Debian Bug report #946941,
regarding cups: Memory leak in cupsd
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.

(NB: If you are a system administrator and have no idea what this
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misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
946941: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=946941
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: cups
Version: 2.2.10-6+deb10u1
Severity: important

Hi,

After upgrading our print server from Debian 9 to 10, we frequently get
notified by our monitoring system that the server is running out of
memory.

It seems there's a memory leak in cupsd. The memory usage starts at
about 3.8% and can grow to 98% of system memory.

When I monitor the memory usage of the cupsd process with top, and then
run the following command in a terminal on the print server, I can see
the memory usage grow with each invocation:

lpstat -W completed -u

The memory usage is increased and never decreased again.

The memory usage also increases with other commands (although not as
much), such as 'lpstat -a'.

I assume client systems trigger the same issue when they query printer
status.

Just last night the memory usage went from about 100MB to 3GB in 23
minutes (cups was restarted by logrotate).

A similar issue is described in the comments of 
https://askubuntu.com/questions/1160624/cupsd-service-high-memory-usage

Regards,
Rik

-- System Information:
Debian Release: 10.2
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.19.0-6-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages cups depends on:
ii  cups-client            2.2.10-6+deb10u1
ii  cups-common            2.2.10-6+deb10u1
ii  cups-core-drivers      2.2.10-6+deb10u1
ii  cups-daemon            2.2.10-6+deb10u1
ii  cups-filters           1.21.6-5
ii  cups-ppdc              2.2.10-6+deb10u1
ii  cups-server-common     2.2.10-6+deb10u1
ii  debconf [debconf-2.0]  1.5.71
ii  ghostscript            9.27~dfsg-2+deb10u3
ii  libavahi-client3       0.7-4+b1
ii  libavahi-common3       0.7-4+b1
ii  libc6                  2.28-10
ii  libcups2               2.2.10-6+deb10u1
ii  libcupsimage2          2.2.10-6+deb10u1
ii  libgcc1                1:8.3.0-6
ii  libstdc++6             8.3.0-6
ii  libusb-1.0-0           2:1.0.22-2
ii  poppler-utils          0.71.0-5
ii  procps                 2:3.3.15-2

Versions of packages cups recommends:
pn  avahi-daemon                     <none>
ii  colord                           1.4.3-4
ii  cups-filters [ghostscript-cups]  1.21.6-5
pn  printer-driver-gutenprint        <none>

Versions of packages cups suggests:
ii  cups-bsd                                   2.2.10-6+deb10u1
pn  cups-pdf                                   <none>
pn  foomatic-db-compressed-ppds | foomatic-db  <none>
ii  hplip                                      3.18.12+dfsg0-2
ii  printer-driver-hpcups                      3.18.12+dfsg0-2
ii  smbclient                                  2:4.9.5+dfsg-5+deb10u1
ii  udev                                       241-7~deb10u2

-- Configuration Files:
/etc/default/cups changed [not included]

-- debconf information:
  cupsys/backend: lpd, socket, usb, snmp, dnssd
  cupsys/raw-print: true

--- End Message ---
--- Begin Message --- 
Source: cups
Source-Version: 2.2.10-6+deb10u2

We believe that the bug you reported is fixed in the latest version of
cups, 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 946941@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Didier Raboud <odyx@debian.org> (supplier of updated cups 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 ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Sun, 19 Jan 2020 09:36:31 +0100
Source: cups
Architecture: source
Version: 2.2.10-6+deb10u2
Distribution: buster
Urgency: medium
Maintainer: Debian Printing Team <debian-printing@lists.debian.org>
Changed-By: Didier Raboud <odyx@debian.org>
Closes: 946782 946941
Changes:
 cups (2.2.10-6+deb10u2) buster; urgency=medium
 .
   * Backport upstream security fixes:
     - Fix memory leak in ppdOpen (Closes: #946941)
     - CVE-2019-2228: The `ippSetValuetag` function did not validate the
       default language value (Closes: #946782)
Checksums-Sha1:
 0d1c1a1e54ed58c990bd67042ce80bc21a7762b9 3472 cups_2.2.10-6+deb10u2.dsc
 4f1adef4a0879adbd051db12f8d736a54111efc2 360016 cups_2.2.10-6+deb10u2.debian.tar.xz
Checksums-Sha256:
 5bee91b9c8c35ad211d67e2dfe250787dd4bb3a2f5c67db1b2b3f3794a0ec331 3472 cups_2.2.10-6+deb10u2.dsc
 86f8f8acfd8251602e3f629b5561775a05f41ed9b472752e46eec1e2c930bb33 360016 cups_2.2.10-6+deb10u2.debian.tar.xz
Files:
 daeb4c9b84eac7b91f0ffc967eb253ee 3472 net optional cups_2.2.10-6+deb10u2.dsc
 b8c941b468c64e3ed26486d646a9ffef 360016 net optional cups_2.2.10-6+deb10u2.debian.tar.xz

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--- End Message ---
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