Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 8fb7be5683f43a48a723b6a950bfe6268fe02118
https://github.com/WebKit/WebKit/commit/8fb7be5683f43a48a723b6a950bfe6268fe02118
Author: Anthony Tarbinian <[email protected]>
Date: 2025-09-09 (Tue, 09 Sep 2025)
Changed paths:
M Source/WebCore/bindings/js/JSDOMBindingSecurity.cpp
Log Message:
-----------
[Site Isolation] change downcast to dynamicDowncast in
JSDOMBindingSecurity::remoteFrameAccessError
https://bugs.webkit.org/show_bug.cgi?id=297874
rdar://159134034
Reviewed by Alex Christensen.
Change a downcast to a dynamicDowncast to handle cases where an invalid
downcast between a RemoteDOMWindow to a LocalDOMWindow was attempted.
Previously, if the cast failed, an assert was tripped and caused a crash.
See Bugzilla for steps to reproduce. The crash only occurred with Site
Isolation enabled.
* Source/WebCore/bindings/js/JSDOMBindingSecurity.cpp:
(WebCore::remoteFrameAccessError):
Canonical link: https://commits.webkit.org/299777@main
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