[gstreamer-bugs] [Bug 616846] New: Crash in gst_interpolation_control_source_find_control_point_iter

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=616846
  GStreamer | gstreamer (core) | git

           Summary: Crash in
                    gst_interpolation_control_source_find_control_point_it
                    er
    Classification: Desktop
           Product: GStreamer
           Version: git
        OS/Version: All
            Status: UNCONFIRMED
          Severity: blocker
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: otte at gnome.org
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


This is a forward of https://bugzilla.redhat.com/show_bug.cgi?id=585743
A stack trace can be found at
https://bugzilla.redhat.com/attachment.cgi?id=409012

This crash in Pitivi seemed to be caused by an empty, but existing control
point list. I have no idea how such a thing can be created (nor much clue about
how GstController works at all), so I didn't create a testcase.

I do know how GSequence work, so I'll attached an untested, but compiling
patch.

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