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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 - [GTK] UI process crash in webkitWebViewBaseContainerAdd"
   href="https://bugs.webkit.org/show_bug.cgi?id=164910">164910</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[GTK] UI process crash in webkitWebViewBaseContainerAdd
          </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>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>WebKit Gtk
          </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>bugs-noreply&#64;webkitgtk.org
          </td>
        </tr></table>
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        <pre>UI process crash in webkitWebViewBaseContainerAdd:

Truncated backtrace:
Thread no. 1 (10 frames)
 #2 XGetWindowAttributes at GetWAttrs.c:150
 #3 gtk_socket_realize at gtksocket.c:420
 #4 _g_closure_invoke_va at gclosure.c:867
 #7 gtk_widget_realize at gtkwidget.c:5454
 #8 gtk_widget_set_parent at gtkwidget.c:9566
 #9 webkitWebViewBaseContainerAdd(GtkContainer*, GtkWidget*) at /usr/src/debug/webkitgtk-2.14.1/Source/WebKit2/UIProcess/API/gtk/WebKitWebViewBase.cpp:421
 #10 g_cclosure_marshal_VOID__OBJECTv at gmarshal.c:2102
 #11 _g_closure_invoke_va at gclosure.c:867
 #14 gtk_container_add at gtkcontainer.c:1875
 #15 WebKit::WebPageProxy::createPluginContainer(unsigned long&amp;) at /usr/src/debug/webkitgtk-2.14.1/Source/WebKit2/UIProcess/gtk/WebPageProxyGtk.cpp:107

It looks exactly like <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [GTK] NPAPI code crashes on Wayland"
   href="show_bug.cgi?id=147297">bug #147297</a>, but this crash is reported against 2.14.1 whereas that bug was fixed a while back. I've asked the reporter to say whether he was running under Wayland or X11. Full backtrace downstream, as usual.</pre>
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