[Mauiusers] Maui bug buffer overrun

Douglas Wightman wightman at clusterresources.com
Mon Apr 21 09:37:47 MDT 2008


We are in the process of evaluating your patch.  It looks very
promising.  

Submit source code and documentation updates to the mailing list.

Thanks for your patience.

- Douglas

On Thu, 2008-04-17 at 20:38 +0200, Bas van der Vlies wrote:
> It is about a week ago when i asked some questions. It would be nice  
> to have some answers ;-) and some clarification what steps are  
> necessary to submit patches or update the docs.  So what is the  
> clusterresources policy?
> 
> Just another question can i distribute a patched maui version?
> 
> Regards
> 
> 
> 
> On Apr 11, 2008, at 9:03 PM, Bas van der Vlies wrote:
> 
> >
> > On Apr 11, 2008, at 5:41 PM, Douglas Wightman wrote:
> >
> >> It's possible I was looking at the wrong patch.  I was looking at the
> >> one mentioned here:
> >>
> >> http://www.clusterresources.com/pipermail/mauiusers/2005-September/ 
> >> 001734.html
> >>
> > Hi Douglas,
> >
> >    There is a thread here with an explanation:
> >     - http://www.clusterresources.com/pipermail/mauiusers/2006- 
> > November/002370.html
> >
> >   And some other where your quote came from.  There is no patch  :-
> > (  only a statement that is under investigation of cluster resources
> > and that  you encountered the same bug.  After that is was quiet.
> >
> > Now we have the attention of cluster resources people. I have another
> > question. I have made a patch for FairShare groups in combo with
> > Torque. Fairshare groups only look at the primary unix group. With
> > this patch secondary groups can also be used for a FairShare.  The
> > archives are useful :-)
> >   * http://www.clusterresources.com/pipermail/mauiusers/2008- 
> > January/003066.html
> >
> > It fixes also 2 other issues
> >
> > Thanks
> >
> >
> >>
> >> On Fri, 2008-04-11 at 11:35 +0200, Bas van der Vlies wrote:
> >>> Douglas Wightman wrote:
> >>>> Going over the thread you reference it appears as though there  
> >>>> was a
> >>>> request by Dave that the patch be tweaked to utilize the
> >>>> MUSNPrintF()
> >>>> function found in Maui.  Has this been done?  We'd love to  
> >>>> integrate
> >>>> your patch but we'd like to stick to Maui'isms.
> >>>>
> >>>> Thanks!
> >>>>
> >>>
> >>> Douglas,
> >>>
> >>>   Thanks for a reaction. But what you write was not the real
> >>> problem. Did
> >>> you read the thread, because a colleague of yours wrote:
> >>> {{{
> >>> On Nov 7, 2006, at 4:43 PM, wightman wrote:
> >>>
> >>>>> The patch looks good.  We will definitely include it in the next
> >>>>> patch
> >>>>> release.
> >>> This was the NODEALLOCMAPS patch.
> >>>
> >>>>>
> >>>>> Also, we are still investigating the segv from MMAX_JOB.  We have
> >>>>> reproduced the crash and, as somebody mentioned earlier in this
> >>>>> thread,
> >>>>> the real issue is that the MJob array is not properly
> >>>>> terminated.  We
> >>>>> are running Maui under valgrind in hopes of catching when this
> >>>>> occurs.
> >>>>>
> >>> }}}
> >>>
> >>> Or is this something else?
> >>>
> >>>
> >>> PS) What is the procedure for a patch to be applied. Several people
> >>> have
> >>> mailes some improvements or bug fixes?
> >>>
> >>> Regards
> >>>
> >>>> - Douglas
> >>>>
> >>>> On Wed, 2008-04-09 at 23:07 +0200, Bas van der Vlies wrote:
> >>>>> On Apr 9, 2008, at 5:21 PM, Miguel Ros wrote:
> >>>>>> Hi all,
> >>>>>>
> >>>>>> I had some problems with a Linux x86_64 fedora core 8: Maui
> >>>>>> was crashing with SIGSEGV from time to time and showq was
> >>>>>> not responding correctly
> >>>>>>
> >>>>>> There are a lot of buffer overrun problems in Maui that are not
> >>>>>> solved
> >>>>>> yet in the official release:
> >>>>>>
> >>>>>> http://www.clusterresources.com/pipermail/mauiusers/2005- 
> >>>>>> September/001724.html
> >>>>>>
> >>>>>> I have attached a patch file for Maui 3.2.6p19 - 3.2.6p20, I hope
> >>>>>> that it will be applied to the official release
> >>>>>>
> >>>>>> Regards,
> >>>>>> Miguel
> >>>>>> <sprintf_bug.patch><ATT00001.txt>
> >>>>>
> >>>>> Thanks for the patch, maybe we must setup a repository where we
> >>>>> collect the patches. Because there is lately no response when
> >>>>> people
> >>>>> submit patches for maui.
> >>>>>
> >>>>>
> >>>>> I also reported that maui crashed when i lot of jobs where
> >>>>> submitted
> >>>>> and i promise that it will be fixed,  see thread:
> >>>>> *   [Mauiusers] maui crashes with segv (version 3.2.6.p16) (2006)
> >>>>>
> >>>>>
> >>>>> and i added some explanation (also from the thread):
> >>>>> {{{
> >>>>> I have adjusted the MAX_MHBUF parameter in msched.h to a higher
> >>>>> value.
> >>>>> No it did not crash, but it is still possible not to find a free
> >>>>> job
> >>>>> hash table slot.  IF you allow more jobs then to have also  
> >>>>> increase
> >>>>> this
> >>>>> parameter.
> >>>>>
> >>>>> /* HvB */
> >>>>> /*
> >>>>> #define MAX_MHBUF           768
> >>>>> */
> >>>>> #define MAX_MHBUF          4000
> >>>>>
> >>>>> }}}
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>> --
> >>>>> Bas van der Vlies
> >>>>> basv at sara.nl
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>> _______________________________________________
> >>>>> mauiusers mailing list
> >>>>> mauiusers at supercluster.org
> >>>>> http://www.supercluster.org/mailman/listinfo/mauiusers
> >>>>
> >>>
> >>>
> >>
> >
> > --
> > Bas van der Vlies
> > basv at sara.nl
> >
> >
> >
> > _______________________________________________
> > mauiusers mailing list
> > mauiusers at supercluster.org
> > http://www.supercluster.org/mailman/listinfo/mauiusers
> 
> --
> Bas van der Vlies
> basv at sara.nl
> 
> 
> 



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