Re: emacs-24.3: test request

[Valery Ushakov <uwe%stderr.spb.ru@localhost>]

On Sun, Sep 08, 2013 at 10:13:13 +0100, Robert Swindells wrote:

> Thomas Klausner wrote:
> >On Sun, Sep 08, 2013 at 11:59:51AM +0400, Valeriy E. Ushakov wrote:
> >> Haven't you or someone else complained about problems with emacs24
> >> vs. environ a few months ago?
> 
> >This is still the same issue I've been seeing and reporting for
> >months. There is a random element in the backtrace (sometimes it even
> >works! perhaps my stack limit test was a random success), but it
> >usually ends in getenv and below, trying some to find some language
> >environment stuff.
> 
> If you run:
> 
> % nm emacs | sort > lst
> 
> What variables are just below environ in memory ?

emacs plays games with environ itself, saving and restoring it.  A
problem in that code is more likely than random buffer overflow that
clobbers environ.

-uwe