[Webkit-unassigned] [Bug 156409] New: [WK1] Wheel event callback removing the window causes crash in WebCore
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri Apr 8 11:17:03 PDT 2016
https://bugs.webkit.org/show_bug.cgi?id=156409
Bug ID: 156409
Summary: [WK1] Wheel event callback removing the window causes
crash in WebCore
Classification: Unclassified
Product: WebKit
Version: WebKit Nightly Build
Hardware: All
OS: All
Status: NEW
Severity: Normal
Priority: P2
Component: Event Handling
Assignee: webkit-unassigned at lists.webkit.org
Reporter: bfulgham at webkit.org
This is a follow-up to Bug 150871, which dealt with this problem in a WK2 context.
If a window is removed while it is triggering a wheel event, it will crash with a bad memory access, because WebKit will attempt to use the destroyed view. While we corrected the WK2 version of this problem, WK1 takes a slightly different code path that needs to be fixed.
The crash is shown by fast/events/wheel-event-destroys-frame.html.
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