[Webkit-unassigned] [Bug 208942] New: AX: Isolated tree: Crash in URL retrieval

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Mar 11 13:13:31 PDT 2020


https://bugs.webkit.org/show_bug.cgi?id=208942

            Bug ID: 208942
           Summary: AX: Isolated tree: Crash in URL retrieval
           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: cfleizach at apple.com
                CC: webkit-bug-importer at group.apple.com

hread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                   0x00000001103095ae WebCore::AccessibilityRenderObject::url() const + 62 (AccessibilityRenderObject.cpp:1644)
1   com.apple.WebCore                   0x0000000110321a69 WebCore::AXIsolatedObject::initializeAttributeData(WebCore::AXCoreObject&, bool) + 12233 (AXIsolatedObject.cpp:194)
2   com.apple.WebCore                   0x00000001103252a8 WebCore::AXIsolatedObject::create(WebCore::AXCoreObject&, unsigned int, unsigned int) + 56 (AXIsolatedObject.cpp:48)
3   com.apple.WebCore                   0x00000001102df2f5 WebCore::createIsolatedTreeHierarchy(WebCore::AXCoreObject&, unsigned int, unsigned int, bool, WTF::Vector<WebCore::AXIsolatedTree::NodeChange, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&) + 37 (AXObjectCache.cpp:3101)
4   com.apple.WebCore                   0x00000001102df3f7 WebCore::createIsolatedTreeHierarchy(WebCore::AXCoreObject&, unsigned int, unsigned int, bool, WTF::Vector<WebCore::AXIsolatedTree::NodeChange, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&) + 295 (AXObjectCache.cpp:3113)
5   com.apple.WebCore                   0x00000001102d6ce0 WebCore::AXObjectCache::updateIsolatedTree(WebCore::AXCoreObject*, WebCore::AXObjectCache::AXNotification) + 176 (AXObjectCache.cpp:3166)
6   com.apple.WebCore                   0x00000001102d5f0d WebCore::AXObjectCache::postNotification(WebCore::AXCoreObject*, WebCore::Document*, WebCore::AXObjectCache::AXNotification, WebCore::PostTarget, WebCore::PostType) + 157 (AXObjectCache.cpp:1142)
7   com.apple.WebCore                   0x00000001102ec243 WebCore::AccessibilityNodeObject::childrenChanged() + 115 (AccessibilityNodeObject.cpp:128)
8   com.apple.WebCore                   0x00000001102dec3c WebCore::AXObjectCache::performDeferredCacheUpdate() + 220

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