Upon further investigation, I noticed that the cups snap was installed
alongside the apt package from the Ubuntu repositories, which is
installed by default on ubuntu-desktop and ubuntu-desktop-minimal:
# dpkg -l | grep cups
ii bluez-cups 5.64-0ubuntu1
amd64 Bluetooth printer driver for CUPS
ii cups 2.4.1op1-1ubuntu4.4
amd64 Common UNIX Printing System(tm) - PPD/driver support, web
interface
ii cups-browsed 1.28.15-0ubuntu1.2
amd64 OpenPrinting CUPS Filters - cups-browsed
ii cups-bsd 2.4.1op1-1ubuntu4.4
amd64 Common UNIX Printing System(tm) - BSD commands
ii cups-client 2.4.1op1-1ubuntu4.4
amd64 Common UNIX Printing System(tm) - client programs (SysV)
ii cups-common 2.4.1op1-1ubuntu4.4
all Common UNIX Printing System(tm) - common files
ii cups-core-drivers 2.4.1op1-1ubuntu4.4
amd64 Common UNIX Printing System(tm) - driverless printing
ii cups-daemon 2.4.1op1-1ubuntu4.4
amd64 Common UNIX Printing System(tm) - daemon
ii cups-filters 1.28.15-0ubuntu1.2
amd64 OpenPrinting CUPS Filters - Main Package
ii cups-filters-core-drivers 1.28.15-0ubuntu1.2
amd64 OpenPrinting CUPS Filters - Driverless printing
ii cups-ipp-utils 2.4.1op1-1ubuntu4.4
amd64 Common UNIX Printing System(tm) - IPP developer/admin
utilities
ii cups-pk-helper 0.2.6-1ubuntu5
amd64 PolicyKit helper to configure cups with fine-grained
privileges
ii cups-ppdc 2.4.1op1-1ubuntu4.4
amd64 Common UNIX Printing System(tm) - PPD manipulation utilities
ii cups-server-common 2.4.1op1-1ubuntu4.4
all Common UNIX Printing System(tm) - server common files
ii libcups2:amd64 2.4.1op1-1ubuntu4.4
amd64 Common UNIX Printing System(tm) - Core library
ii libcupsfilters1:amd64 1.28.15-0ubuntu1.2
amd64 OpenPrinting CUPS Filters - Shared library
ii libcupsimage2:amd64 2.4.1op1-1ubuntu4.4
amd64 Common UNIX Printing System(tm) - Raster image library
ii printer-driver-hpcups 3.21.12+dfsg0-1
amd64 HP Linux Printing and Imaging - CUPS Raster driver (hpcups)
ii python3-cups:amd64 2.0.1-5build1
amd64 Python3 bindings for CUPS
ii python3-cupshelpers 1.5.16-0ubuntu3
all Python utility modules around the CUPS printing system
# snap list
Name Version Revision Tracking
Herausgeber Hinweise
bare 1.0 5 latest/stable
canonical✓ base
chromium 114.0.5735.198 2529 latest/stable
canonical✓ -
core18 20230530 2785 latest/stable
canonical✓ base
core20 20230622 1974 latest/stable
canonical✓ base
core22 20230703 817 latest/stable
canonical✓ base
cups 2.4.6-4 980 latest/stable
openprinting✓ -
firefox 115.0.2-1 2908 latest/stable
mozilla✓ -
gnome-3-28-1804 3.28.0-19-g98f9e67.98f9e67 198 latest/stable
canonical✓ -
gnome-3-38-2004 0+git.efb213a 143 latest/stable
canonical✓ -
gnome-42-2204 0+git.ff35a85 120 latest/stable
canonical✓ -
gtk-common-themes 0.1-81-g442e511 1535 latest/stable
canonical✓ -
mqtt-explorer 0.3.5 29 latest/stable
thomasnordquist -
snap-store 41.3-71-g709398e 959 latest/stable
canonical✓ -
snapd 2.59.5 19457 latest/stable
canonical✓ snapd
snapd-desktop-integration 0.9 83 latest/stable
canonical✓ -
After removing the snap package the segfault did not occur again:
# snap remove cups
I have yet to investigate how the snap package got installed on this
system. I could verify that it does not get installed on by the Ubuntu
22.04.0 Desktop ISO image by default.
--
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to cups in Ubuntu.
https://bugs.launchpad.net/bugs/2021956
Title:
crash cups-proxyd
Status in cups package in Ubuntu:
Incomplete
Bug description:
Ubuntu IOT Desktop 22.04 LTS
# cat /etc/os-release
PRETTY_NAME="Ubuntu 22.04.2 LTS"
NAME="Ubuntu"
VERSION_ID="22.04"
VERSION="22.04.2 LTS (Jammy Jellyfish)"
VERSION_CODENAME=jammy
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/";
SUPPORT_URL="https://help.ubuntu.com/";
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/";
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy";
UBUNTU_CODENAME=jammy
Kernel Version: 5.15.0-1028-intel-iotg
# journalctl --no-hostname -b --no-pager | grep cups-proxyd
mai 31 11:51:22 cups.cupsd[949]: + PROXY_DAEMON=cups-proxyd
mai 31 11:51:22 cups.cupsd[3032]: exec cups-proxyd
/var/snap/cups/common/run/cups.sock /run/cups/cups.sock -l --logdir
/var/snap/cups/872/var/log
mai 31 11:51:23 audit[3032]: SECCOMP auid=4294967295 uid=0 gid=0
ses=4294967295 subj=snap.cups.cupsd pid=3032 comm="cups-proxyd"
exe="/snap/cups/872/sbin/cups-proxyd" sig=0 arch=c000003e syscall=314 compat=0
ip=0x7fb050c2973d code=0x50000
mai 31 11:51:23 kernel: audit: type=1326 audit(1685523083.773:85):
auid=4294967295 uid=0 gid=0 ses=4294967295 subj=snap.cups.cupsd pid=3032
comm="cups-proxyd" exe="/snap/cups/872/sbin/cups-proxyd" sig=0 arch=c000003e
syscall=314 compat=0 ip=0x7fb050c2973d code=0x50000
mai 31 11:51:24 kernel: cups-proxyd[3032]: segfault at 18 ip 0000558e95990d6e
sp 00007ffe2436a230 error 4 in cups-proxyd[558e9598d000+7000]
Error: cups-proxyd[3032]: segfault at 18 ip 0000558e95990d6e sp
00007ffe2436a230 error 4 in cups-proxyd[558e9598d000+7000]
Snap list:
# snap list
Name Version Rev Tracking
Publisher Notes
bare 1.0 5 latest/stable
canonical✓ base
chromium 113.0.5672.126 2477 latest/stable
canonical✓ -
core20 20230503 1891 latest/stable
canonical✓ base
core22 20230503 634 latest/stable
canonical✓ base
cups 2.4.2-5 872 latest/stable
openprinting✓ -
firefox 111.0-2 2432 latest/stable/… mozilla✓
-
gnome-3-38-2004 0+git.6f39565 140 latest/stable/…
canonical✓ -
gnome-42-2204 0+git.587e965 102 latest/stable
canonical✓ -
gtk-common-themes 0.1-81-g442e511 1535 latest/stable/…
canonical✓ -
snap-store 41.3-71-g709398e 959 latest/stable/…
canonical✓ -
snapd 2.59.2 19122 latest/stable
canonical✓ snapd
snapd-desktop-integration 0.9 83 latest/stable/…
canonical✓ -
Reproduced: At every boot OS
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/cups/+bug/2021956/+subscriptions
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