[Webkit-unassigned] [Bug 206724] Nullptr crash when setting custom properties on detached style
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sun Jan 26 21:33:17 PST 2020
https://bugs.webkit.org/show_bug.cgi?id=206724
Darin Adler <darin at apple.com> changed:
What |Removed |Added
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CC| |darin at apple.com
--- Comment #3 from Darin Adler <darin at apple.com> ---
Comment on attachment 388631
--> https://bugs.webkit.org/attachment.cgi?id=388631
Patch
View in context: https://bugs.webkit.org/attachment.cgi?id=388631&action=review
> Source/WebCore/css/PropertySetCSSStyleDeclaration.cpp:260
> + ASSERT(document);
Why is this assertion safe? Since m_lastDocument is a WeakPtr, what guarantees it won’t be null?
> Source/WebCore/css/PropertySetCSSStyleDeclaration.h:63
> + WeakPtr<Document> m_lastDocument;
This doesn’t seem like the right approach to me.
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