whenever cups receives a job it crashes

I have attached an strace and error log entry at time of crash:

I [19/Jul/2007:15:07:40 +0100] Listening to 192.168.9.4:631 (IPv4)
I [19/Jul/2007:15:07:40 +0100] Listening to 127.0.0.1:631 (IPv4)
I [19/Jul/2007:15:07:40 +0100] Loaded configuration file "/etc/cups/cupsd.conf"
I [19/Jul/2007:15:07:40 +0100] Cleaning out old temporary files in "/var/spool/cups/tmp"...
I [19/Jul/2007:15:07:40 +0100] Configured for up to 100 clients.
I [19/Jul/2007:15:07:40 +0100] Allowing up to 100 client connections per host.
I [19/Jul/2007:15:07:40 +0100] Using policy "default" as the default!
I [19/Jul/2007:15:07:40 +0100] Full reload is required.
I [19/Jul/2007:15:07:40 +0100] Loaded MIME database from '/etc/cups': 34 types, 39 filters...
D [19/Jul/2007:15:07:40 +0100] Loading printer hp_usb_OfficeJet_6100_Series...
D [19/Jul/2007:15:07:40 +0100] Loading class squirrel...
D [19/Jul/2007:15:07:40 +0100] Scanning /var/spool/cups for jobs...
I [19/Jul/2007:15:07:40 +0100] Loading NextJobId from job cache file "/var/cache/cups/job.cache"...
I [19/Jul/2007:15:07:40 +0100] Full reload complete.
I [19/Jul/2007:15:07:40 +0100] Listening to 192.168.9.4:631 on fd 0...
I [19/Jul/2007:15:07:40 +0100] Listening to 127.0.0.1:631 on fd 1...
D [19/Jul/2007:15:07:57 +0100] cupsdAcceptClient: 6 from 192.168.9.210:631 (IPv4)
D [19/Jul/2007:15:07:57 +0100] cupsdReadClient: 6 POST /printers/squirrel HTTP/1.1
D [19/Jul/2007:15:07:57 +0100] cupsdAuthorize: No authentication data provided.
D [19/Jul/2007:15:07:57 +0100] cupsdNetIFUpdate: "lo" = localhost...
D [19/Jul/2007:15:07:57 +0100] cupsdNetIFUpdate: "eth0" = moose.lockdown.nu...
D [19/Jul/2007:15:07:57 +0100] cupsdNetIFUpdate: "eth0:1" = 192.168.9.5...
D [19/Jul/2007:15:07:57 +0100] cupsdNetIFUpdate: "lo" = localhost...
D [19/Jul/2007:15:07:57 +0100] cupsdNetIFUpdate: "eth0" = fe80::218:f3ff:fe6c:3de0%eth0...
D [19/Jul/2007:15:07:57 +0100] Get-Printer-Attributes http://moose:631/printers/squirrel
D [19/Jul/2007:15:07:57 +0100] cupsdProcessIPPRequest: 6 status_code=0 (successful-ok)
D [19/Jul/2007:15:07:57 +0100] cupsdReadClient: 6 POST /printers/squirrel HTTP/1.1
D [19/Jul/2007:15:07:57 +0100] cupsdAuthorize: No authentication data provided.
D [19/Jul/2007:15:07:57 +0100] Print-Job http://moose:631/printers/squirrel
D [19/Jul/2007:15:07:57 +0100] print_job: request file type is application/vnd.cups-raw.
D [19/Jul/2007:15:07:57 +0100] add_job: requesting-user-name="steve"
D [19/Jul/2007:15:07:57 +0100] Adding default job-sheets values "none,none"...
I [19/Jul/2007:15:07:57 +0100] Adding start banner page "none" to job 1.
D [19/Jul/2007:15:07:57 +0100] Discarding unused job-created event...
I [19/Jul/2007:15:07:57 +0100] Adding end banner page "none" to job 1.
I [19/Jul/2007:15:07:57 +0100] Job 1 queued on "squirrel" by "steve".
D [19/Jul/2007:15:07:57 +0100] Job 1 hold_until = 0

Thank you for taking the time to report this bug and helping to make Ubuntu better. On what release of Ubuntu and with which version of cupsys did you notice this? You can find out the package version via 'dpkg -l cupsys | cat'. Thanks in advance.

We are closing this bug report as it lacks the information, described in the previous comments, we need to investigate the problem further. However, please reopen it if you can give us the missing information and feel free to submit bug reports in the future.