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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GTK] Plugin process crash in WebKit::NetscapePluginX11::visibilityDidChange"
href="https://bugs.webkit.org/show_bug.cgi?id=161444">161444</a>
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<th>Summary</th>
<td>[GTK] Plugin process crash in WebKit::NetscapePluginX11::visibilityDidChange
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>Other
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>Plug-ins
</td>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>mcatanzaro@igalia.com
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<th>CC</th>
<td>bugs-noreply@webkitgtk.org
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<p>
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<pre>Here's an evince browser plugin crash in WebKit::NetscapePluginX11::visibilityDidChange. After closing an Epiphany tab, WebKit calls gdk_x11_window_get_xid with a NULL GdkWindow:
Thread 1 (Thread 0x7f3255dc6ac0 (LWP 3682)):
#0 0x00007f324b294772 in _gdk_window_has_impl (window=<optimized out>) at gdkwindow.c:626
#1 0x00007f324b294772 in _gdk_window_has_impl (window=window@entry=0x0) at gdkwindow.c:627
#2 0x00007f324b2c798e in gdk_x11_window_get_xid (window=0x0) at gdkwindow-x11.c:5542
#3 0x00007f3253f1343a in WebKit::NetscapePluginX11::visibilityDidChange() (this=0x56156e41ec20) at /usr/src/debug/webkitgtk-2.12.4/Source/WebKit2/WebProcess/Plugins/Netscape/x11/NetscapePluginX11.cpp:267
windowID = 0
#4 0x00007f3253cad366 in WebKit::PluginControllerProxy::visibilityDidChange(bool) (this=0x56156e42b230, isVisible=<optimized out>) at /usr/src/debug/webkitgtk-2.12.4/Source/WebKit2/PluginProcess/PluginControllerProxy.cpp:437
There's only one report of this ever happening (and it's mine). Full backtrace downstream.</pre>
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