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Re: [E-devel] segv in e_app.c



On Sun, Jun 11, 2006 at 09:12:55AM +0200, Morten Nilsen wrote:
> David Stevenson wrote:
> > Hello,
> > 
> > I had a segv when dragging an Eterm from one desk to another - not sure
> > exactly how to reproduce it, but the bt shows that the e_app "win_name" got
> > a bogus value from somewhere. There were some changes in the source here a
> > few days back.
> > 
> > #8  0x080ab892 in e_util_glob_match (str=0x822deb0 "Eterm",
> >    glob=0x1d <Address 0x1d out of bounds>) at e_utils.c:135
> > #9  0x080a7eb4 in e_app_window_name_class_title_role_find (
> >    name=0x822deb0 "Eterm", class=0x81bffc0 "Eterm",
> >    title=0x82347a8 "Eterm-0.9.2:", role=0x0) at e_apps.c:909
> > 909                       if ((e_util_glob_match(name, a->win_name)) &&
> 
> seems quite clear that something is polluting the win_name property of 
> the e_app, which through a grep appears to only be set using 
> evas_stringshare_add..

I've check the source for this property, and found that it is set via
evas_stringshare_add and removed via evas_stringshare_del. But
in function _e_app_copy, these properties are copied via simple =.
So, maybe here is the problem ?


> 
> as far as I could see, that function is pretty tight, so I would guess 
> there is an overflow somewhere?
> 
> -- 
> Cheers,
> Morten
> :wq
> 
> 
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-- 

Aleksej Struk
Master Degree Student
Free University of Bozen-Bolzano
Faculty of Computer Science
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