[Pkg-samba-maint] Bug#732342: Stack Trace

[Steve Langasek]

On Wed, Jan 08, 2014 at 01:54:32PM +1300, Andrew Bartlett wrote:

> > > Reading symbols from /usr/lib/x86_64-linux-gnu/libhdb.so.9...Reading
> > > symbols from
> > > /usr/lib/debug/usr/lib/x86_64-linux-gnu/libhdb.so.9.2.0...done.
> > > done.
> > > Loaded symbols for /usr/lib/x86_64-linux-gnu/libhdb.so.9

> > > That happened with the samba server in PDC mode, running "passwd"
> > > via sssd or changing the password via Windows 8.

> > I'm sorry to say that this stack trace shows signs of stack corruption.
> > "0x0000000000000000" and "0x0000000000000008" are not valid addresses to
> > appear in a backtrace.

> > You may have better luck debugging by running under valgrind, which can
> > often detect stack corruption errors at runtime /before/ they clobber the
> > stack.

> I strongly suspect in this and in 734355 that Heimdal and Samba have got
> out of sync.  We use libhdb (and other parts) from Heimdal in a quite
> intimate manner.

By "intimate", do you mean "using private interfaces"?

What are the relevant values of "in-sync-ness" for heimdal?

-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                    http://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org
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