[Webkit-unassigned] [Bug 235414] New: AX: -[WebAccessibilityObjectWrapper subrole] uses AtomStrings off the main-thread in isolated tree mode

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jan 20 12:07:50 PST 2022


https://bugs.webkit.org/show_bug.cgi?id=235414

            Bug ID: 235414
           Summary: AX: -[WebAccessibilityObjectWrapper subrole] uses
                    AtomStrings off the main-thread in isolated tree mode
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: tyler_w at apple.com
                CC: andresg_22 at apple.com,
                    webkit-bug-importer at group.apple.com

This causes string comparisons to fail unexpectedly not match here:

    if (backingObject->isStyleFormatGroup()) {
        using namespace HTMLNames;
        auto tagName = backingObject->tagName();
        if (tagName == kbdTag)
            return @"AXKeyboardInputStyleGroup";
        if (tagName == codeTag)
            return @"AXCodeStyleGroup";
        if (tagName == preTag)
            return @"AXPreformattedStyleGroup";
        if (tagName == sampTag)
            return @"AXSampleStyleGroup";
        if (tagName == varTag)
            return @"AXVariableStyleGroup";
        if (tagName == citeTag)
            return @"AXCiteStyleGroup";
        ASSERT_NOT_REACHED();
    }

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