[Webkit-unassigned] [Bug 153553] New: AX: Crash in AccessibilityTableColumn::headerObject

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=153553

            Bug ID: 153553
           Summary: AX: Crash in AccessibilityTableColumn::headerObject
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: n_wang at apple.com
                CC: n_wang at apple.com, webkit-bug-importer at group.apple.com

0   com.apple.WebCore                 0x7fff913b9a21 WebCore::AccessibilityTableColumn::headerObject() + 17 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/WebCore/WebCore-7601.3.4/accessibility/AccessibilityTableColumn.cpp:72)
1   com.apple.WebCore                 0x7fff913b80c8 WebCore::AccessibilityTable::columnHeaders(WTF::Vector<WTF::RefPtr<WebCore::AccessibilityObject>, 0ul, WTF::CrashOnOverflow, 16ul>&) + 72 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/WebCore/WebCore-7601.3.4/accessibility/AccessibilityTable.cpp:521)
2   com.apple.WebCore                 0x7fff913b9fc9 WebCore::AccessibilityTableHeaderContainer::addChildren() + 73 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/WebCore/WebCore-7601.3.4/accessibility/AccessibilityTableHeaderContainer.cpp:80)
3   com.apple.WebCore                 0x7fff913a2052 WebCore::AccessibilityObject::updateChildrenIfNecessary() + 66 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/WebCore/WebCore-7601.3.4/accessibility/AccessibilityObject.cpp:1650)

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