Panic in smb_krb5_create_memory_keytab

Mon Jul 20 08:24:27 UTC 2015

On Mon, Jul 20, 2015 at 10:20:05AM +0200, Andreas Schneider wrote:
> On Monday 20 July 2015 08:20:46 Volker Lendecke wrote:
> > Hi, Andrew!
> > 
> > Recently I've come across a talloc use-after-free panic in
> > smb_krb5_create_memory_keytab in a flaky build. See the attached
> > backtrace. If required, I still have the logs.tar.gz around.
> 
> Hi Volker,
> 
> I've changed the code in this area, but looking at the function I do not see 
> how this can happen. I will try to reproduce it here. I think we need 
> valgrind.

Ok. Sorry for not doing valgrind upfront. I will get back to
you when I have had the time to more thoroughly analyse it.

Volker

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