[OpenAFS] Windows: Update KB980408 causes problems with kerberos credentials

[Jeffrey Altman]

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On 4/28/2010 5:31 PM, Mickey Lane wrote:
> Windows 7 (32-bit)
>=20
> All updates prior to 4/27/2010
>=20
> Kfw-3-2-2
>=20
> Openafs-en_US-1-5-7400
>=20
> =20
>=20
> Installing Windows update KB980408 (published yesterday, 4/27/2010)
> causes several unexpected error dialogs related to acquiring kerberos
> credentials.

You need to be a bit more specific about the problem.   I have installed
KB090408 on Win7 64-bit, use KFW and OpenAFS with NetIdMgr v2 and do
not experience problems when obtaining credentials using an API:
credential cache.

What credentials are you having trouble with and how are you obtaining
them and with which tools?

> If the error dialogs are ignored, OpenAFS seems to work (*very* brief
> testing).

The OpenAFS service, afsd_service.exe, does not perform any Kerberos
operations and does not use KFW so I would expect this to work fine
under any circumstances.

Tools that are linked to KFW are netidmgr.exe's krb5 and afs credential
providers, aklog.exe, integrated logon (afslogon.dll), and afscreds.exe.


> I believe the problem will trigger an assert in a debug version of
> OpenAFS but I haven=E2=80=99t proved that yet. (I got asserts while dea=
ling with
> another issue and it was only after the fact that I associated them wit=
h
> this situation.)

Please provide a full report including what the error dialogs are and
what they are saying along with where the asserts (if any) are being
triggered (source file and line).


> Suggestion: Don=E2=80=99t install KB980408 until more info is available=
=2E

If I was to make a guess the problem only occurs when the MSLSA:
credential cache is used.  The asserts occur in the cc_mslsa.c source
file because Lsa handles are not properly closed.

Jeffrey Altman


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