I also experience this issue on a freshly installed Ubuntu 22.04 Desktop
with no printers atteched.

First I give an overview of my system and then I'll try to add the
missing information.


*** Kernel version: ***
# uname -a
Linux hostname 5.15.0-76-generic #83-Ubuntu SMP Thu Jun 15 19:16:32 UTC 2023 
x86_64 x86_64 x86_64 GNU/Linux


*** OS information: ***
# 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


*** List of installed Snaps: ***
root@hostname:~# 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  -
snapd              2.59.5                      19457     latest/stable  
canonical✓       snapd


*** Segfault in the syslog: ***
# less /var/log/syslog:
Jul 20 09:48:29 hostname kernel: [   86.133013] audit: type=1326 
audit(1689839309.216:87): auid=4294967295 uid=0 gid=0 ses=4294967295 
subj=snap.cups.cupsd pid=8278 comm="cupsd" exe="/snap/cups/980/sbin/cupsd" 
sig=0 arch=c000003e syscall=93 compat=0 ip=0x7fd3108a8c4b code=0x50000
Jul 20 09:48:30 hostname kernel: [   87.194090] audit: type=1326 
audit(1689839310.280:88): auid=4294967295 uid=0 gid=0 ses=4294967295 
subj=snap.cups.cupsd pid=8280 comm="cups-proxyd" 
exe="/snap/cups/980/sbin/cups-proxyd" sig=0 arch=c000003e syscall=314 compat=0 
ip=0x7f652264ca3d code=0x50000
Jul 20 09:48:30 hostname kernel: [   87.861485] cups-proxyd[8280]: segfault at 
18 ip 000056043483ad75 sp 00007fffff58ad80 error 4 in 
cups-proxyd[560434837000+7000]
Jul 20 09:48:30 hostname kernel: [   87.861534] Code: 83 3d ee b2 00 00 00 41 
54 55 48 89 fd 53 0f 85 f4 00 00 00 48 8d 1d 69 3d 00 00 48 63 45 1c 48 89 df 
48 c1 e0 05 48 03 45 08 <48> 8b 50 18 8b 70 14 e8 0f d0 ff ff 44 8b 65 18 48 89 
c7 45 85 e4


*** cups-proxyd_log from the time of the system startup: ***
# cat /var/snap/cups/current/var/log/cups-proxyd_log
Thu Jul 20 09:48:29 2023 main() in THREAD 140072331107008
Thu Jul 20 09:48:29 2023 System CUPS: /run/cups/cups.sock
Thu Jul 20 09:48:29 2023 Proxy CUPS: /var/snap/cups/common/run/cups.sock
Thu Jul 20 09:48:29 2023 cups-proxyd version 1.0 starting.
Thu Jul 20 09:48:29 2023 Check whether both CUPS daemons are running.
Thu Jul 20 09:48:29 2023 cups-proxyd: Creating http connection to CUPS daemon 
via domain socket: /var/snap/cups/common/run/cups.sock
Thu Jul 20 09:48:29 2023 cups-proxyd: Failed creating http connection to CUPS 
daemon via domain socket: /var/snap/cups/common/run/cups.sock
Thu Jul 20 09:48:30 2023 cups-proxyd: Creating http connection to CUPS daemon 
via domain socket: /var/snap/cups/common/run/cups.sock
Thu Jul 20 09:48:30 2023 cups-proxyd: Creating http connection to CUPS daemon 
via domain socket: /run/cups/cups.sock
Thu Jul 20 09:48:30 2023 cups-proxyd: Closing connection to proxy CUPS daemon.
Thu Jul 20 09:48:30 2023 cups-proxyd: Closing connection to system's CUPS 
daemon.
Thu Jul 20 09:48:30 2023 cups-proxyd (/var/snap/cups/common/run/cups.sock): 
cupsEnumDests
Thu Jul 20 09:48:30 2023 Using signal handler SIGNAL
Thu Jul 20 09:48:30 2023 [Avahi Browser] Avahi server connection got available, 
setting up service browsers.
Thu Jul 20 09:48:30 2023 Creating subscription to D-Bus notifications on the 
system's CUPS daemon.
Thu Jul 20 09:48:30 2023 cups-proxyd: Creating http connection to CUPS daemon 
via domain socket: /run/cups/cups.sock
Thu Jul 20 09:48:30 2023 cups-proxyd: Closing connection to system's CUPS 
daemon.
Thu Jul 20 09:48:30 2023 Updating queues on proxy CUPS in 500 msecs
Thu Jul 20 09:48:30 2023 browse_callback() in THREAD 140072331107008
Thu Jul 20 09:48:30 2023 [Avahi Browser] CACHE_EXHAUSTED
Thu Jul 20 09:48:30 2023 browse_callback() in THREAD 140072331107008
Thu Jul 20 09:48:30 2023 [Avahi Browser] ALL_FOR_NOW
Thu Jul 20 09:48:30 2023 browse_callback() in THREAD 140072331107008
Thu Jul 20 09:48:30 2023 [Avahi Browser] CACHE_EXHAUSTED
Thu Jul 20 09:48:30 2023 browse_callback() in THREAD 140072331107008
Thu Jul 20 09:48:30 2023 [Avahi Browser] ALL_FOR_NOW
Thu Jul 20 09:48:30 2023 cups-proxyd (/run/cups/cups.sock): cupsEnumDests
Thu Jul 20 09:48:30 2023 Cloning queues from the system to the proxy.


*** Requested information: ***
# lpstat -v
lpstat: Keine Druckziele hinzugefügt.
# driverless
# driverless --std-ipp-uris
# ippfind


*** Manually starting cups-proxyd in debug mode: ***
# /snap/cups/980/sbin/cups-proxyd --debug /var/snap/cups/common/run/cups.sock 
/run/cups/cups.sock -l --logdir /var/snap/cups/980/var/log
Thu Jul 20 09:57:23 2023 Reading command line option --debug, turning on debug 
mode (Log on standard error).
Thu Jul 20 09:57:23 2023 Reading command line: 
/var/snap/cups/common/run/cups.sock -> Proxy cupsd hostname:port or socket
Thu Jul 20 09:57:23 2023 Reading command line: /run/cups/cups.sock -> System 
cupsd hostname:port or socket
Thu Jul 20 09:57:23 2023 Reading command line option -l, turning on debug mode 
(Log into log file ).
Thu Jul 20 09:57:23 2023 Reading command line: --logdir
Thu Jul 20 09:57:23 2023 Reading command line: /var/snap/cups/980/var/log
Thu Jul 20 09:57:23 2023 Set log directory to /var/snap/cups/980/var/log.
Thu Jul 20 09:57:23 2023 main() in THREAD 139931143576256
Thu Jul 20 09:57:23 2023 System CUPS: /run/cups/cups.sock
Thu Jul 20 09:57:23 2023 Proxy CUPS: /var/snap/cups/common/run/cups.sock
Thu Jul 20 09:57:23 2023 cups-proxyd version 1.0 starting.
Thu Jul 20 09:57:23 2023 Check whether both CUPS daemons are running.
Thu Jul 20 09:57:23 2023 cups-proxyd: Creating http connection to CUPS daemon 
via domain socket: /var/snap/cups/common/run/cups.sock
Thu Jul 20 09:57:23 2023 cups-proxyd: Creating http connection to CUPS daemon 
via domain socket: /run/cups/cups.sock
Thu Jul 20 09:57:23 2023 cups-proxyd: Closing connection to proxy CUPS daemon.
Thu Jul 20 09:57:23 2023 cups-proxyd: Closing connection to system's CUPS 
daemon.
Thu Jul 20 09:57:23 2023 cups-proxyd (/var/snap/cups/common/run/cups.sock): 
cupsEnumDests
Thu Jul 20 09:57:23 2023 Using signal handler SIGNAL
Thu Jul 20 09:57:23 2023 [Avahi Browser] Avahi server connection got available, 
setting up service browsers.
Thu Jul 20 09:57:23 2023 Creating subscription to D-Bus notifications on the 
system's CUPS daemon.
Thu Jul 20 09:57:23 2023 cups-proxyd: Creating http connection to CUPS daemon 
via domain socket: /run/cups/cups.sock
Thu Jul 20 09:57:23 2023 cups-proxyd: Closing connection to system's CUPS 
daemon.
Thu Jul 20 09:57:23 2023 Updating queues on proxy CUPS in 500 msecs
Thu Jul 20 09:57:23 2023 browse_callback() in THREAD 139931143576256
Thu Jul 20 09:57:23 2023 [Avahi Browser] CACHE_EXHAUSTED
Thu Jul 20 09:57:23 2023 browse_callback() in THREAD 139931143576256
Thu Jul 20 09:57:23 2023 [Avahi Browser] ALL_FOR_NOW
Thu Jul 20 09:57:23 2023 browse_callback() in THREAD 139931143576256
Thu Jul 20 09:57:23 2023 [Avahi Browser] CACHE_EXHAUSTED
Thu Jul 20 09:57:23 2023 browse_callback() in THREAD 139931143576256
Thu Jul 20 09:57:23 2023 [Avahi Browser] ALL_FOR_NOW
Thu Jul 20 09:57:23 2023 cups-proxyd (/run/cups/cups.sock): cupsEnumDests
Thu Jul 20 09:57:23 2023 Cloning queues from the system to the proxy.
Speicherzugriffsfehler (Speicherabzug geschrieben)


Let me know if you need any additional information.

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded 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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