https://bugs.kde.org/show_bug.cgi?id=425233

--- Comment #9 from Vlad Zahorodnii <vlad.zahorod...@kde.org> ---
The problem is that KWaylandServer delays destruction of BufferInterface
objects. This is a huge issue because kwayland-integration re-uses buffer
objects in order to keep memory footprint as low as possible.

So, if an application has destroyed a shadow and immediately creates a new
shadow, it's highly possible that the new shadow will have references to
defunct buffer objects, i.e. we have a use-after-free bug.

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