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    <head>
      <base href="https://bugs.webkit.org/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [GStreamer][MSE] Crash on yet another wrong player selection for non MSE content when there are no suitable codecs"
   href="https://bugs.webkit.org/show_bug.cgi?id=168116">168116</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[GStreamer][MSE] Crash on yet another wrong player selection for non MSE content when there are no suitable codecs
          </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>Severity</th>
          <td>Normal
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>WebCore Misc.
          </td>
        </tr>

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

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

        <tr>
          <th>CC</th>
          <td>eocanha&#64;igalia.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>I am running the following local HTML on MiniBrowser:

&lt;html&gt;
  &lt;body&gt;
    &lt;video src=&quot;<a href="https://media.w3.org/2010/05/sintel/trailer.mp4">https://media.w3.org/2010/05/sintel/trailer.mp4</a>&quot;
           controls autoplay/&gt;
  &lt;/body&gt;
&lt;/html&gt;

with GST_INSTALL_PLUGINS_HELPER environment variable pointing to a file with:

#!/bin/sh

echo &quot;Installation of gst plugin requested...&quot;
echo $&#64;

exit 0

as recommended on bug <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [GTK] Install missing media plugins API is totally broken, test /webkit2/WebKitWebView/install-missing-plugins-permission-request times out in the bots"
   href="show_bug.cgi?id=147822#c14">https://bugs.webkit.org/show_bug.cgi?id=147822#c14</a>

and I am getting:


#0  0x00007f27af596c0b in WebCore::MediaPlayerPrivateGStreamerMSE::buffered() const () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#1  0x00007f27af15e401 in WebCore::MediaPlayer::buffered() () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#2  0x00007f27aee55e04 in WebCore::HTMLMediaElement::buffered() const () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#3  0x00007f27af63f079 in WebCore::RenderThemeGtk::paintMediaSliderTrack(WebCore::RenderObject const&amp;, WebCore::PaintInfo const&amp;, WebCore::IntRect const&amp;) ()
   from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#4  0x00007f27af370d9d in WebCore::RenderTheme::paint(WebCore::RenderBox const&amp;, WebCore::ControlStates&amp;, WebCore::PaintInfo const&amp;, WebCore::LayoutRect const&amp;) ()
   from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#5  0x00007f27af24ffe4 in WebCore::RenderBox::paintBoxDecorations(WebCore::PaintInfo&amp;, WebCore::LayoutPoint const&amp;) () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#6  0x00007f27af2168cf in WebCore::RenderBlock::paintObject(WebCore::PaintInfo&amp;, WebCore::LayoutPoint const&amp;) () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#7  0x00007f27af215fe3 in WebCore::RenderBlock::paint(WebCore::PaintInfo&amp;, WebCore::LayoutPoint const&amp;) () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#8  0x00007f27af289082 in WebCore::RenderElement::paintAsInlineBlock(WebCore::PaintInfo&amp;, WebCore::LayoutPoint const&amp;) () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#9  0x00007f27af21656f in WebCore::RenderBlock::paintChild(WebCore::RenderBox&amp;, WebCore::PaintInfo&amp;, WebCore::LayoutPoint const&amp;, WebCore::PaintInfo&amp;, bool, WebCore::RenderBlock::PaintBlockType) ()
   from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#10 0x00007f27af29830e in WebCore::RenderFlexibleBox::paintChildren(WebCore::PaintInfo&amp;, WebCore::LayoutPoint const&amp;, WebCore::PaintInfo&amp;, bool) ()
   from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#11 0x00007f27af216b09 in WebCore::RenderBlock::paintObject(WebCore::PaintInfo&amp;, WebCore::LayoutPoint const&amp;) () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#12 0x00007f27af215fe3 in WebCore::RenderBlock::paint(WebCore::PaintInfo&amp;, WebCore::LayoutPoint const&amp;) () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#13 0x00007f27af2e6089 in WebCore::RenderLayer::paintForegroundForFragmentsWithPhase(WebCore::PaintPhase, WTF::Vector&lt;WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul&gt; const&amp;, WebCore::GraphicsContext&amp;, WebCore::RenderLayer::LayerPaintingInfo const&amp;, unsigned int, WebCore::RenderObject*) () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#14 0x00007f27af2e346a in WebCore::RenderLayer::paintForegroundForFragments(WTF::Vector&lt;WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul&gt; const&amp;, WebCore::GraphicsContext&amp;, WebCore::GraphicsContext&amp;, WebCore::LayoutRect const&amp;, bool, WebCore::RenderLayer::LayerPaintingInfo const&amp;, unsigned int, WebCore::RenderObject*, bool) () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#15 0x00007f27af2e0066 in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&amp;, WebCore::RenderLayer::LayerPaintingInfo const&amp;, unsigned int) ()
   from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#16 0x00007f27af2f8ece in WebCore::RenderLayerBacking::paintIntoLayer(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&amp;, WebCore::IntRect const&amp;, unsigned int, unsigned int) ()
   from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#17 0x00007f27af2f9187 in WebCore::RenderLayerBacking::paintContents(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&amp;, unsigned int, WebCore::FloatRect const&amp;) ()
   from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#18 0x00007f27af150f2c in WebCore::GraphicsLayer::paintGraphicsLayerContents(WebCore::GraphicsContext&amp;, WebCore::FloatRect const&amp;) ()
   from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#19 0x00007f27af5c694f in non-virtual thunk to WebCore::CoordinatedGraphicsLayer::tiledBackingStorePaint(WebCore::GraphicsContext&amp;, WebCore::IntRect const&amp;) ()
   from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#20 0x00007f27af5c84a4 in WebCore::Tile::paintToSurfaceContext(WebCore::GraphicsContext&amp;) () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#21 0x00007f27ae927287 in WebKit::UpdateAtlasSurfaceClient::paintToSurfaceContext(WebCore::GraphicsContext&amp;) () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#22 0x00007f27ae91f335 in WebKit::ThreadSafeCoordinatedSurface::paintToSurface(WebCore::IntRect const&amp;, WebCore::CoordinatedSurface::Client&amp;) ()
   from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#23 0x00007f27ae9271a8 in WebKit::UpdateAtlas::paintOnAvailableBuffer(WebCore::IntSize const&amp;, unsigned int&amp;, WebCore::IntPoint&amp;, WebCore::CoordinatedSurface::Client&amp;) ()
   from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#24 0x00007f27ae9244a9 in WebKit::CompositingCoordinator::paintToSurface(WebCore::IntSize const&amp;, unsigned int, unsigned int&amp;, WebCore::IntPoint&amp;, WebCore::CoordinatedSurface::Client&amp;) ()
   from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#25 0x00007f27af5c838c in WebCore::Tile::updateBackBuffer() () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#26 0x00007f27af5c9454 in WebCore::TiledBackingStore::updateTileBuffers() () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#27 0x00007f27af5c901d in WebCore::TiledBackingStore::createTiles(WebCore::IntRect const&amp;, WebCore::IntRect const&amp;, float) () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#28 0x00007f27af5c8722 in WebCore::TiledBackingStore::createTilesIfNeeded(WebCore::IntRect const&amp;, WebCore::IntRect const&amp;) () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#29 0x00007f27af5c7199 in WebCore::CoordinatedGraphicsLayer::updateContentBuffers() () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#30 0x00007f27af5c7072 in WebCore::CoordinatedGraphicsLayer::updateContentBuffersIncludingSubLayers() () from /home/calvaris/gnome/WebKit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37</pre>
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