Our configuration is a NIS network with Linux PCs. As soon as I do "rsh"
to one of these PCs it triggers a netgroup request and that leads to a
segfault in nscd.
This is the stdout of "nscd -d".

Thu 12 Jul 2012 09:16:34 AM CEST - 29485: handle_request: request received 
(Version = 2) from PID 30398
Thu 12 Jul 2012 09:16:34 AM CEST - 29485:       GETFDHST
Thu 12 Jul 2012 09:16:34 AM CEST - 29485: handle_request: request received 
(Version = 2) from PID 30398
Thu 12 Jul 2012 09:16:34 AM CEST - 29485:       GETHOSTBYADDR (172.17.2.127)
Thu 12 Jul 2012 09:16:34 AM CEST - 29485: handle_request: request received 
(Version = 2) from PID 30398
Thu 12 Jul 2012 09:16:34 AM CEST - 29485:       GETFDPW
Thu 12 Jul 2012 09:16:34 AM CEST - 29485: provide access to FD 5, for passwd
Thu 12 Jul 2012 09:16:34 AM CEST - 29485: handle_request: request received 
(Version = 2) from PID 30398
Thu 12 Jul 2012 09:16:34 AM CEST - 29485:       GETFDNETGR
Thu 12 Jul 2012 09:16:34 AM CEST - 29485: provide access to FD 11, for netgroup
Thu 12 Jul 2012 09:16:34 AM CEST - 29485: handle_request: request received 
(Version = 2) from PID 30398
Thu 12 Jul 2012 09:16:34 AM CEST - 29485:       INNETGR (general)
Thu 12 Jul 2012 09:16:34 AM CEST - 29485: Haven't found "general 
(hamina.tasking.nl,,)" in netgroup cache!
Thu 12 Jul 2012 09:16:34 AM CEST - 29485: Haven't found "general" in netgroup 
cache!
Segmentation fault

Perhaps this bug has always been present. But now that these extra lines
were added in the /etc/nscd.conf (see previous comment) it pops up.

So, indeed the workaround is to remove these extra lines. Or just say
"enable-cache netgroup no".

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https://bugs.launchpad.net/bugs/997096

Title:
  nscd segmentation fault

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