found 766703 1.6.9-2
tags 766703 moreinfo
thanks

[marking as found in the version in jessie, since "this also applies to
the 1.6.9 package".  I don't see a way to tag it as sparc-only in the
BTS...]

On Fri, 24 Oct 2014, Benjamin Kaduk wrote:

> On Fri, 24 Oct 2014, JHU ACM Administrators wrote:
>
> > Package: openafs-krb5
> > Version: 1.6.10~pre1-1
> > Severity: important
> >
> > As built and packaged, aklog aborts with "longjmp causes uninitialized stack
> > frame".  (This also applies to the 1.6.9 package.) Curiously, aklog built 
> > from

The longjump error is going to be coming from src/lwp/process.o, which is
compiled from either verious assembly files or a C file depending on the
architecture.  I don't have any sparc-linux systems, so I won't be able to
do any direct diagnosis of this issue (which is almost certainly
sparc-linux-specific).  From the build log, it looks like the C version is
being used here; there haven't been any changes to that file in upstream
between 1.6.1 and 1.6.9.  We don't have any Debian-specific patches to
that file, either.  (In fact, we didn't have any Debian patches at all for
1.6.10~pre1.)

> > have just resorted to paving over /usr/bin/aklog with that result and so far
> > things are working grand.  I am unsure what additional details would be 
> > useful,
> > but I confess to not having looked into the way that the Debian packages are
> > built.  Please don't hesitate to ask for anything that might be of utility,
> > or point me at something.
>
> Knowing of an older LWP aklog that did work would probably be the most
> useful thing at this point.

I know this is a lot of work to ask for, but I think the only real way
forward is to try and bisect through stock upstream builds to see where
the failure was introduced.  I will note that commit
3262f111028093ed31da3fe9e3ed7efcc0e8b769 (between 1.6.0 and 1.6.1) did
touch process.c, though it's not immediately clear that it could cause
this particular sort of breakage.

-Ben


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