[Bug 688707] New: rtsp-media: bus watch can outlive the rtsp-media object

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=688707
  GStreamer | gst-rtsp-server | git

           Summary: rtsp-media: bus watch can outlive the rtsp-media
                    object
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-rtsp-server
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: davidsf at axis.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=229447)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=229447)
Valgrind run

In gst-rtsp-server, I run a unit test in Valgrind:

GST_CHECKS=test_describe make -C tests/check gst/rtspserver.valgrind

I get several invalid reads. Please see the attached file. These invalid reads
come in the bus watch (bus_message) in rtsp-media.c. The RTSPClient has shut
down. Its finalize method has unreffed the last reference to its RTSPMedia,
which also gets finalized. gst_rtsp_media_finalize clears the state_lock
GRecMutex. Then, a (last) message comes to the bus_message handler. There,
state_lock is accessed after it has been cleared.

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