[cups.bugs] [HIGH] STR #4183: CUPS 1.6.1 crashes on startup when DNS-SD host name cannot get determined via Avahi

[Till Kamppeter]

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[STR New]

Original bug report at Ubuntu:

https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1046982

According to the stack trace attached there 

https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1046982/+attachment/3296622/+files/Stacktrace.txt

cupsd crashes when registering printers at Avahi because DNSSDHostName is
NULL, probably a failure on setting up the Avahi connectioon.

System and CUPS is as in STR #4180: CUPS 1.6.1 on Ubuntu Quantal (12.10),
sharing printers via Avahi-based DNS-SD. Using the patches of STR #4155,
STR #4156, STR #4157, STR #4158, and STR #4159.

Link: http://www.cups.org/str.php?L4183
Version: 1.6.1