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Bug#328728: libqt3-mt: Multiple apps segfault in QShared::deref()



On September 16, 2005 19:27, Bob Tanner wrote:
> Package: libqt3-mt
> Version: 3:3.3.4-8
> Severity: important
>
> Recently upgrade from 3.3.3 to 3.3.4-8 and I have several application
> that all segfault in the same class and method.
>
> [KCrash handler]
> #3  0xb6c35f34 in QShared::deref (this=0x34343942) at qshared.h:50
> #4  0xb702fcc6 in QString::deref (this=0xbfffebec) at
> tools/qstring.cpp:1549 #5  0xb702ff57 in QString::operator=
> (this=0xbfffebec, s=@0xbfffebf4) at tools/qstring.cpp:1594
>
> The partital application list: kmail, kontact, pwmanager, wlassistant,
> showeq, kate.
>
> Using pwmanager (http://pwmanager.sourceforge.net) as an example. Same
> tarball, linked libqt3c102-mt (3:3.3.4-3) is rock solid. Recompile
> pwmanager and link against libqt-mt (3:3.3.4-8) consisten segfault in
> QShared::deref (this=0x34343942) at qshared.h:50.

Using the very latest Sid (i.e. Qt 3.3.5, etc.), does this problem still 
exist? If so, could you provide a list of steps to reproduce the problem? 
I.e. open application foo, click here, click there, segfault, etc. Your 
message didn't specify whether the segfaults occured on startup, in which 
case I can't reproduce it (kmail is solid here).

And as Josh Metzler pointed out, please ensure that everything is being 
built with gcc-4.0.

Thanks,
Christopher Martin

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