[Webkit-unassigned] [Bug 217482] [GTK] Crash in WebKit::DropTarget::drop
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri Nov 6 01:22:17 PST 2020
https://bugs.webkit.org/show_bug.cgi?id=217482
Carlos Garcia Campos <cgarcia at igalia.com> changed:
What |Removed |Added
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CC| |cgarcia at igalia.com
--- Comment #3 from Carlos Garcia Campos <cgarcia at igalia.com> ---
(In reply to Michael Catanzaro from comment #1)
> OK here's a guess: maybe (1) user starts drag, (2) user leaves window,
> m_leaveTimer starts running, (3) user starts a new drag, m_leaveTimer still
> running, (4) m_leaveTimer fires, unsets m_selectionData etc., (5) user
> releases button, triggering drop, (6) crash.
>
> It seems a little unlikely, because m_leaveTimer is stopped in
> DropTarget::accept, so the user would have to finish the drop before the
> source application sends its drag data offer. But that's actually possible,
> right?
>
> I see we have, in DropTarget::accept:
>
> if (m_leaveTimer.isActive()) {
> m_leaveTimer.stop();
> leaveTimerFired();
> }
>
> But that's not soon enough, right? It belongs in DropTarget::enter?
accept happens before enter. accept starts reading the contents and after all data has been received then enter is called.
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