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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 - CrashTracer: com.apple.WebKit.Networking at WTF::ThreadSafeRefCounted&lt;WebKit::NetworkCache::IOChannel&gt;::deref"
   href="https://bugs.webkit.org/show_bug.cgi?id=165659">165659</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>CrashTracer: com.apple.WebKit.Networking at WTF::ThreadSafeRefCounted&lt;WebKit::NetworkCache::IOChannel&gt;::deref
          </td>
        </tr>

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

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

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </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>Page Loading
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>koivisto&#64;iki.fi
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>beidson&#64;apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Some crashes of this type have been seen:

      25 libdispatch.dylib: _dispatch_try_lock_transfer_or_wakeup
        25 libdispatch.dylib: _dispatch_io_dispose
          39 libdispatch.dylib: _dispatch_io_dispose
            40 libdispatch.dylib: _dispatch_dispose
       ==&gt; 40 WebKit: WTF::ThreadSafeRefCounted&lt;WebKit::NetworkCache::IOChannel&gt;::deref() &lt;==
              | 27 libsystem_blocks.dylib: _Block_release
              | | 27 libsystem_blocks.dylib: _Block_release
              | |   24 libdispatch.dylib: _dispatch_client_callout
              | |   | 24 libdispatch.dylib: _dispatch_continuation_pop
              | |   |   24 libdispatch.dylib: _dispatch_async_redirect_invoke
              | |   |     24 libdispatch.dylib: _dispatch_root_queue_drain
              | |   |       24 libdispatch.dylib: _dispatch_worker_thread3
              | |   |         24 libsystem_pthread.dylib: _pthread_wqthread
              | |   |           24 libsystem_pthread.dylib: 
              | |   pruning: 2 libdispatch.dylib: _dispatch_continuation_pop
              | |   pruning: 1 libdispatch.dylib: _dispatch_queue_serial_drain
              | 13 WebKit: std::__1::__function::__func&lt;WebKit::NetworkCache::Storage::dispatchReadOperation(std::__1::unique_ptr&lt;WebKit::NetworkCache::Storage::ReadOperation, std::__1::default_delete&lt;WebKit::NetworkCache::Storage::ReadOperation&gt; &gt;)::$_6, std::__1::allocator&lt;WebKit::NetworkCache::Storage::dispatchReadOperation(std::__1::unique_ptr&lt;WebKit::NetworkCache::Storage::ReadOperation, std::__1::default_delete&lt;WebKit::NetworkCache::Storage::ReadOperation&gt; &gt;)::$_6&gt;, void ()&gt;::operator()()
              |   13 JavaScriptCore: ___ZN3WTF9WorkQueue8dispatchENSt3__18functionIFvvEEE_block_invoke
              |     13 libdispatch.dylib: _dispatch_call_block_and_release
              |       pruning: 9 libdispatch.dylib: _dispatch_client_callout
              |       pruning: 4 libdispatch.dylib: _dispatch_continuation_pop
       ==&gt; 10 libdispatch.dylib: _dispatch_dispose &lt;==
                10 WebKit: WTF::ThreadSafeRefCounted&lt;WebKit::NetworkCache::IOChannel&gt;::deref()
                  pruning: 6 libsystem_blocks.dylib: _Block_release
                  pruning: 4 WebKit: std::__1::__function::__func&lt;WebKit::NetworkCache::Storage::dispatchReadOperation(std::__1::unique_ptr&lt;WebKit::NetworkCache::Storage::ReadOperation, std::__1::default_delete&lt;WebKit::NetworkCache::Storage::ReadOperation&gt; &gt;)::$_6, std::__1::allocator&lt;WebKit::NetworkCache::Storage::dispatchReadOperation(std::__1::unique_ptr&lt;WebKit::NetworkCache::Storage::ReadOperation, std::__1::default_delete&lt;WebKit::NetworkCache::Storage::ReadOperation&gt; &gt;)::$_6&gt;, void ()&gt;::operator()()</pre>
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      </p>
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