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<base href="https://bugs.webkit.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Crash in WebCore::SVGRenderSupport::updateMaskedAncestorShouldIsolateBlending"
href="https://bugs.webkit.org/show_bug.cgi?id=164774">164774</a>
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<th>Summary</th>
<td>Crash in WebCore::SVGRenderSupport::updateMaskedAncestorShouldIsolateBlending
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
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<th>Product</th>
<td>WebKit
</td>
</tr>
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<th>Version</th>
<td>Safari Technology Preview
</td>
</tr>
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<th>Hardware</th>
<td>Macintosh
</td>
</tr>
<tr>
<th>URL</th>
<td>https://www.theguardian.com/world/2016/nov/15/japan-fixes-vast-fukuoka-city-sinkhole-repaired-two-days
</td>
</tr>
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<th>OS</th>
<td>macOS 10.12
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>Normal
</td>
</tr>
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<th>Priority</th>
<td>P2
</td>
</tr>
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<th>Component</th>
<td>WebCore Misc.
</td>
</tr>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
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<th>Reporter</th>
<td>dieter@komendera.com
</td>
</tr></table>
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<pre>Created <span class=""><a href="attachment.cgi?id=294836" name="attach_294836" title="crash log">attachment 294836</a> <a href="attachment.cgi?id=294836&action=edit" title="crash log">[details]</a></span>
crash log
I can reliably reproduce the crash with these steps:
1) Go go <a href="https://www.theguardian.com/world/2016/nov/15/japan-fixes-vast-fukuoka-city-sinkhole-repaired-two-days">https://www.theguardian.com/world/2016/nov/15/japan-fixes-vast-fukuoka-city-sinkhole-repaired-two-days</a>
2) Scroll down towards the "related content" section
macOS 10.12.1 (16B2555)
Release 17 (Safari 10.1, WebKit 12603.1.11.1)
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.apple.WebCore 0x000000010cb8844b WebCore::SVGRenderSupport::updateMaskedAncestorShouldIsolateBlending(WebCore::RenderElement const&) + 123
1 com.apple.WebCore 0x000000010cadcdda WebCore::RenderElement::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) + 122
2 com.apple.WebCore 0x000000010be22e1d WebCore::RenderSVGModelObject::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) + 77
3 com.apple.WebCore 0x000000010cbc74fa WebCore::RenderTreeUpdater::createRenderer(WebCore::Element&, WebCore::RenderStyle&&) + 778
4 com.apple.WebCore 0x000000010cbc652d WebCore::RenderTreeUpdater::updateElementRenderer(WebCore::Element&, WebCore::Style::ElementUpdate&) + 349
5 com.apple.WebCore 0x000000010cbc5700 WebCore::RenderTreeUpdater::updateRenderTree(WebCore::ContainerNode&) + 592
6 com.apple.WebCore 0x000000010cbc543b WebCore::RenderTreeUpdater::commit(std::__1::unique_ptr<WebCore::Style::Update, std::__1::default_delete<WebCore::Style::Update> >) + 411
7 com.apple.WebCore 0x000000010c193a8e WebCore::Document::recalcStyle(WebCore::Style::Change) + 766
8 com.apple.WebCore 0x000000010bd824d6 WebCore::Document::updateLayout() + 134</pre>
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