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List:       kdelibs-bugs
Subject:    [frameworks-kwindowsystem] [Bug 339771] crash in KWindowSystem (stack smashing detected)
From:       Fredrik Höglund <fredrik () kde ! org>
Date:       2014-10-08 14:55:42
Message-ID: bug-339771-90985-B9d4URcrKn () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=339771

Fredrik Höglund <fredrik@kde.org> changed:

           What    |Removed                     |Added
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                 CC|                            |fredrik@kde.org

--- Comment #4 from Fredrik Höglund <fredrik@kde.org> ---
No, the backtrace and the error message is a good starting point.

The backtrace tells us that the abort() happened in create_netwm_atoms() and
the error message that we walked off the end of an array allocated on the
stack.

If we count the members of the atoms[] array we find that it has 92 atoms,
while netAtomCount is 91. This means that we write one element past the end of
the cookies[] array.

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