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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 - Crash when closing the web inspector"
   href="https://bugs.webkit.org/show_bug.cgi?id=146620">146620</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Crash when closing the web inspector
          </td>
        </tr>

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

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

        <tr>
          <th>Version</th>
          <td>528+ (Nightly build)
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </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>Web Inspector
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>mcatanzaro&#64;igalia.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>graouts&#64;webkit.org, joepeck&#64;webkit.org, jonowells&#64;apple.com, mattbaker&#64;apple.com, nvasilyev&#64;apple.com, timothy&#64;apple.com, webkit-bug-importer&#64;group.apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>We have some rare crash when closing the web inspector:

Core was generated by `/usr/libexec/webkit2gtk-4.0/WebKitWebProcess 42'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  IPC::Connection::invalidate (this=0x0) at /usr/src/debug/webkitgtk-2.8.3/Source/WebKit2/Platform/IPC/Connection.cpp:345
345        if (!isValid()) {

There's a full backtrace in the downstream bug; here is thread 1:

Thread 1 (Thread 0x7fc3b14e7a00 (LWP 13116)):
#0  IPC::Connection::invalidate (this=0x0) at /usr/src/debug/webkitgtk-2.8.3/Source/WebKit2/Platform/IPC/Connection.cpp:345
No locals.
#1  0x00007fc3af7cd901 in WebKit::WebInspectorUI::closeWindow (this=0x7fc38bff84d0) at /usr/src/debug/webkitgtk-2.8.3/Source/WebKit2/WebProcess/WebPage/WebInspectorUI.cpp:121
No locals.
#2  0x00007fc3afd66716 in WebCore::InspectorFrontendHost::closeWindow (this=0x7fc38be96480) at /usr/src/debug/webkitgtk-2.8.3/Source/WebCore/inspector/InspectorFrontendHost.cpp:166
No locals.
#3  0x00007fc3b073116a in WebCore::jsInspectorFrontendHostPrototypeFunctionCloseWindow (exec=&lt;optimized out&gt;) at /usr/src/debug/webkitgtk-2.8.3/x86_64-redhat-linux-gnu/DerivedSources/WebCore/JSInspectorFrontendHost.cpp:185
No locals.
#4  0x00007fc349fff0a8 in ?? ()
No symbol table info available.
#5  0x00007fffc3588860 in ?? ()
No symbol table info available.
#6  0x00007fc3aedf97fe in llint_entry () from /lib64/libjavascriptcoregtk-4.0.so.18
No symbol table info available.
Backtrace stopped: frame did not save the PC</pre>
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