[38028] in Kerberos

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Re: Segmentation fault when trying to start kadmind

daemon@ATHENA.MIT.EDU (Joshua Schaeffer)
Thu Jul 20 10:55:15 2017

To: Greg Hudson <ghudson@mit.edu>, kerberos@mit.edu
From: Joshua Schaeffer <jschaeffer0922@gmail.com>
Message-ID: <027a7988-ae48-45b0-d830-377b672e942f@gmail.com>
Date: Thu, 20 Jul 2017 08:54:43 -0600
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On 07/19/2017 06:54 PM, Greg Hudson wrote:
> On 07/19/2017 08:22 PM, Joshua Schaeffer wrote:
>> * Do you know if ldap_kdc_dn needs read rights to the krbPrincipalKey
>> attribute?
> It does.  The KDC is the primary user of principal long-term keys; it
> uses them to verify pre-authentication, encrypt KDC replies, and encrypt
> service tickets.

Okay, good to know. I will leave that account as is.

>
>> * Would you consider the segmentation fault a bug?
> I filed a PR for the crash bug and it should be fixed in upcoming patch
> releases.  This bug only occurs when the master key is manually entered
> (no stash file) and the K/M entry has no key data (LDAP access error).
> I'm still not sure why kdb5_ldap_util create -s didn't create a stash
> file in your scenario.
Yes, I am unsure about this too. If I had to guess it was just a combination of running through my steps multiple times which created some weird environment situation. Or, more likely, it was just an EBKAC error :)

Thanks again for all your help.
Joshua Schaeffer
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