[OpenAFS] crash on AIX 5.2

Jeffrey Altman jaltman@columbia.edu
Tue, 11 Jan 2005 11:42:31 -0500


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Hartmut Reuter wrote:

> 
> I am in the process of tracking down all differences between my good 
> version and 1.3.77.
> 
> I am now not very distant from 1.3.77, and at least one problem seems
> to be the new code in afs_pioctl.c for get and set tokens along with
> the huge ticket size introduced for compatibilty with active directory.
> Keeping the old ticket size and the old code for tokens in afs_pioctl.c
> results in a fairly stable client. At least I can get a token, make 
> clean in the openafs-tree and make dest without crashing the system.
> This is certainly not enough testing for putting it into production,
> but a hint where the problem may be hidden.
> 
> Hartmut

We know the problem is in the set/get token code on AIX.  More then
likely the stack is too small to support a 12000 byte object and it
is getting blown away on AIX.  The question is:

   * where is this object that is located on the stack?

If you can find that, then you will have solved the bug.

Jeffrey Altman



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