[Webkit-unassigned] [Bug 144870] New: WebContent crash under com.apple.WebCore: WebCore::WebKitCSSResourceValue::isCSSValueNone const + 6

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=144870

            Bug ID: 144870
           Summary: WebContent crash under com.apple.WebCore:
                    WebCore::WebKitCSSResourceValue::isCSSValueNone const
                    + 6
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: koivisto at iki.fi

Null pointer crash:

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                 0x00007fff92da5706 WebCore::WebKitCSSResourceValue::isCSSValueNone() const + 6
1   com.apple.WebCore                 0x00007fff93382b48 WebCore::MaskImageOperation::isCSSValueNone() const + 24
2   com.apple.WebCore                 0x00007fff92e0475e WebCore::FillLayer::hasNonEmptyMaskImage() const + 30
3   com.apple.WebCore                 0x00007fff9290874c WebCore::StyleResolver::loadPendingSVGDocuments() + 76
4   com.apple.WebCore                 0x00007fff936815b8 WebCore::StyleResolver::applyMatchedProperties(WebCore::StyleResolver::MatchResult const&, WebCore::Element const*, WebCore::StyleResolver::ShouldUseMatchedPropertiesCache) + 2328
5   com.apple.WebCore                 0x00007fff93680a2e WebCore::StyleResolver::styleForElement(WebCore::Element*, WebCore::RenderStyle*, WebCore::StyleSharingBehavior, WebCore::RuleMatchingBehavior, WebCore::RenderRegion const*) + 1678
6   com.apple.WebCore                 0x00007fff9368a390 WebCore::Style::attachRenderTree(WebCore::Element&, WebCore::RenderStyle&, WebCore::RenderTreePosition&, WTF::PassRefPtr<WebCore::RenderStyle>) + 704
7   com.apple.WebCore                 0x00007fff9368a9d0 WebCore::Style::attachChildren(WebCore::ContainerNode&, WebCore::RenderStyle&, WebCore::RenderTreePosition&) + 160
8   com.apple.WebCore                 0x00007fff9368a570 WebCore::Style::attachRenderTree(WebCore::Element&, WebCore::RenderStyle&, WebCore::RenderTreePosition&, WTF::PassRefPtr<WebCore::RenderStyle>) + 1184
9   com.apple.WebCore                 0x00007fff9368a9d0 WebCore::Style::attachChildren(WebCore::ContainerNode&, WebCore::RenderStyle&, WebCore::RenderTreePosition&) + 160
10  com.apple.WebCore                 0x00007fff9368a570 WebCore::Style::attachRenderTree(WebCore::Element&, WebCore::RenderStyle&, WebCore::RenderTreePosition&, WTF::PassRefPtr<WebCore::RenderStyle>) + 1184

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