[Kde-imaging] [Bug 307775] libkipi1 apps crash with libkipi2 plugins installed

[Marcel Wiesweg]

https://bugs.kde.org/show_bug.cgi?id=307775

--- Comment #2 from Marcel Wiesweg <marcel.wiesweg at gmx.de> ---
This crash is the inverse to the problems we had with libkipi1 plugins being
loaded into a libkipi2 app.

1) A libkipi1 app loads a libkipi2 plugin
2) The plugin's constructor is combined with the KIPI::Plugin constructor from
libkipi1, as the symbol name does not differ
3) The plugin's constructor calls setUIBaseName. This symbol does not exist in
libkipi1, so the code from libkipi1 is called
4) KIPI::Plugin::setUIBaseName accesses d->uiBaseName. As the constructor of
KIPI::Plugin libkipi1 was used, Plugin::Private does not contain this field.
5) Invalid memory is accessed.

Ideas?

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