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      <base href="https://bugs.webkit.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - http/tests/contentfiltering/load-substitute-data-from-appcache.html crashes sometimes"
   href="https://bugs.webkit.org/show_bug.cgi?id=148890">148890</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>http/tests/contentfiltering/load-substitute-data-from-appcache.html crashes sometimes
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>WebCore Misc.
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>ap&#64;webkit.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>aestes&#64;apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>I saw http/tests/contentfiltering/load-substitute-data-from-appcache.html (a new test) crash several times on Yosemite with a release assert:

<a href="https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&amp;tests=http%2Ftests%2Fcontentfiltering%2Fload-substitute-data-from-appcache.html">https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&amp;tests=http%2Ftests%2Fcontentfiltering%2Fload-substitute-data-from-appcache.html</a>

0   com.apple.JavaScriptCore          0x000000010cbb4797 WTFCrash + 39
1   com.apple.WebCore                 0x000000010eb4e4ce WebCore::DocumentLoader::dataReceived(WebCore::CachedResource*, char const*, int) + 206 (DocumentLoader.cpp:864)
2   com.apple.WebCore                 0x000000010eb4dfed WebCore::DocumentLoader::continueAfterContentPolicy(WebCore::PolicyAction) + 1773 (DocumentLoader.cpp:753)
3   com.apple.WebCore                 0x000000010eb4d680 WebCore::DocumentLoader::responseReceived(WebCore::CachedResource*, WebCore::ResourceResponse const&amp;) + 1968 (DocumentLoader.cpp:660)
4   com.apple.WebCore                 0x000000010e841f20 WebCore::ContentFilter::responseReceived(WebCore::CachedResource*, WebCore::ResourceResponse const&amp;) + 432 (ContentFilter.cpp:163)
5   com.apple.WebCore                 0x000000010e70e189 WebCore::CachedRawResource::responseReceived(WebCore::ResourceResponse const&amp;) + 201 (CachedRawResource.cpp:185)
6   com.apple.WebCore                 0x000000011040475f WebCore::SubresourceLoader::didReceiveResponse(WebCore::ResourceResponse const&amp;) + 767 (SubresourceLoader.cpp:232)
7   com.apple.WebKit                  0x00000001098c4c92 WebKit::WebResourceLoader::didReceiveResponse(WebCore::ResourceResponse const&amp;, bool) + 306 (WebResourceLoader.cpp:130)</pre>
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