GNU bug report logs - #13154
24.3.50; emacs_backtrace.txt (different one)

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Message #29 received at 13154 <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 13154 <at> debbugs.gnu.org, drew.adams <at> oracle.com
Subject: Re: bug#13154: 24.3.50; emacs_backtrace.txt (different one)
Date: Fri, 14 Dec 2012 11:24:43 +0100

> Corrupted stack is not the issue.  AFAIU, we are looking for some C
> code which doesn't balance specbind/record_unwind_protect with the
> corresponding unbind_to.

I don't see the difference.  In either case the stack is inconsistent
when popped.

> This code could be executed by some
> primitive, or some C function called from some primitive, that is
> invoked from Lisp.  The problem is to find that Lisp.  I hope Drew
> will be able to, given the above hints.

FWIW I suppose that Drew ended up with some invalid byte code from a
binary afflicted with

 http://lists.gnu.org/archive/html/emacs-devel/2012-12/msg00079.html

and didn't recompile with the later binaries (or a bug similar to the
one fixed by Andreas still persists).

martin

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