Cups crashs while receiving jobs from accounts containing umlaut characters.

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Environment

SUSE Linux Enterprise Server 12 SP2

Situation

cups crash on receiving print jobs from accounts containing German umlaut characters with messages similar to the following:

Sep 25 14:10:21 linux cups-lpd[77617]: Connection from <remote.server.name> (IPv4 <remote.server.ip>)
Sep 25 14:10:21 linux cups-lpd[77617]: Receive print job for HAL-232
Sep 25 14:10:21 linux cupsd[66532]: process 66532: arguments to dbus_message_iter_append_basic() were incorrect, assertion "_dbus_check_is_valid_utf8 (*string_p)" failed in file dbus-message.c line 2676.
Sep 25 14:10:21 linux cupsd[66532]: This is normally a bug in some application using the D-Bus library.
Sep 25 14:10:21 linux cupsd[66532]: D-Bus not built with -rdynamic so unable to print a backtrace
Sep 25 14:10:21 linux cups-lpd[77617]: Unable to create job - Success
Sep 25 14:10:21 linux cups-lpd[77617]: Closing connection
Sep 25 14:10:21 linux systemd[1]: cups.service: Main process exited, code=dumped, status=6/ABRT
Sep 25 14:10:21 linux systemd[1]: cups.service: Unit entered failed state.
Sep 25 14:10:21 linux systemd[1]: cups.service: Failed with result 'core-dump'.

Resolution

Please contact SUSE Technical Services for retrieving a Program Temporary Fix in case this issue is experienced.

Cause

The handling of German umlaut characters causes an encoding error causing cups to crash.

Disclaimer

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