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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 - Null dereference loading Blink layout test editing/execCommand/indent-button-crash.html"
   href="https://bugs.webkit.org/show_bug.cgi?id=151187">151187</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Null dereference loading Blink layout test editing/execCommand/indent-button-crash.html
          </td>
        </tr>

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

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

        <tr>
          <th>Version</th>
          <td>WebKit Local 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>Keywords</th>
          <td>Gtk, LayoutTestFailure
          </td>
        </tr>

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

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

        <tr>
          <th>Component</th>
          <td>HTML Editing
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>cgarcia&#64;igalia.com
          </td>
        </tr></table>
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        <pre>Program received signal SIGSEGV, Segmentation fault.
0x00007f432d4e5310 in WebCore::CompositeEditCommand::insertNodeAt(WTF::PassRefPtr&lt;WebCore::Node&gt;, WebCore::Position const&amp;) ()
   from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
(gdb) bt
#0  0x00007f432d4e5310 in WebCore::CompositeEditCommand::insertNodeAt(WTF::PassRefPtr&lt;WebCore::Node&gt;, WebCore::Position const&amp;) ()
   from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#1  0x00007f432d4d20eb in WebCore::ApplyBlockElementCommand::formatSelection(WebCore::VisiblePosition const&amp;, WebCore::VisiblePosition const&amp;) ()
   from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#2  0x00007f432d4ce715 in WebCore::ApplyBlockElementCommand::doApply() () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#3  0x00007f432d4e2ec3 in WebCore::CompositeEditCommand::apply() () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#4  0x00007f432d519455 in WebCore::executeIndent(WebCore::Frame&amp;, WebCore::Event*, WebCore::EditorCommandSource, WTF::String const&amp;) ()
   from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#5  0x00007f432d429822 in WebCore::Document::execCommand(WTF::String const&amp;, bool, WTF::String const&amp;) ()
   from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#6  0x00007f432e077a42 in WebCore::jsDocumentPrototypeFunctionExecCommand(JSC::ExecState*) () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#7  0x00007f42c7fff0c8 in ?? ()
#8  0x00007ffe9911cec0 in ?? ()
#9  0x00007f432b6b872f in llint_entry () from /home/cgarcia/src/git/gnome/WebKit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
Backtrace stopped: frame did not save the PC

The test seems to be passing in mac bots, though.</pre>
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