Re: NFS/credentials leak in 2.6.29-rc1

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On Tue, Jan 20, 2009 at 02:46:49PM +0300, Evgeniy Polyakov wrote:
> I recently observed several OOM crashes on the NFS server machine used
> for the heavy benchmarks. It did not show in .28 iirc and I never got
> OOM crash with other benches with different filesystems.
> 
> That's what I observe right now via slabtop, both constantly grew uring
> the test:
> 1798890 1798672  99%    0.12K  59963       30    239852K cred_jar
> 1798320 1798307  99%    0.25K 119888       15    479552K size-256
> 
> machine then died after quite short time.
> Overall it took about an hour or two for the 8gb of ram.
> 
> Is this a known issue or should I spent more time investigating the
> cause?

This doesn't look familiar, no; thanks for the report.  I guess we
should take a careful look at the recent changes to fs/nfsd/auth.c?

--b.
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