[Webkit-unassigned] [Bug 182271] [WPE][GTK] Heap use after free in RunLoop::TimerBase constructor lambda
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Jan 30 04:40:34 PST 2018
https://bugs.webkit.org/show_bug.cgi?id=182271
Carlos Garcia Campos <cgarcia at igalia.com> changed:
What |Removed |Added
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CC| |cgarcia at igalia.com
--- Comment #1 from Carlos Garcia Campos <cgarcia at igalia.com> ---
I think the problem is that the pending frame load is deleted inside the hysteresis callback.
- markLoadAsCompleted() is called by hysteresis
- markLoadAsCompleted() ends up calling m_loadCompletionHandler()
- the completion handler removes the pending frame load from the map which deletes it.
The completion handler is the last thing done by markLoadAsCompleted(), so I'm not sure that's a problem. Could you try protecting this before calling m_loadCompletionHandler just in case?
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