[frameworks-kio] [Bug 439372] Dolphin crashed when i tried to paste a .desktop file copied from Desktop to /.local/share/applications/

[Harald Sitter]

https://bugs.kde.org/show_bug.cgi?id=439372

Harald Sitter <sitter at kde.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|general                     |general
                 CC|                            |kdelibs-bugs at kde.org,
                   |                            |sitter at kde.org
           Assignee|dolphin-bugs-null at kde.org   |kio-bugs-null at kde.org
            Product|dolphin                     |frameworks-kio
            Version|20.12.3                     |5.82.0

--- Comment #1 from Harald Sitter <sitter at kde.org> ---
Moving to KIO as that's where the crash is. Unfortunately the most relevant
frame along with the most relevant this addresses are missing, but assuming
this isn't actually a bug in Qt giving out dodgy mimedata pointers I'd say from
grepping code that this may be PasteJobPrivate::slotStart. The only other use
of isClipboardDataCut that isn't protected by a nullptr condition is
pasteClipboardUrls which I don't see used in dolphin at all.
With that in mind my suspicion would be that dolphin requested the mimedata
from qApp, got nullptr back, passed that to KIO::paste and no where along the
way from there to PasteJobPrivate::slotStar is the pointer actually checked for
null.

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