[Bug 732950] New: deadlock after TEARDOWN

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=732950
  GStreamer | gst-rtsp-server | git

           Summary: deadlock after TEARDOWN
    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: ognyan.tonchev at axis.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=280280)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=280280)
backtrace

The server deadlocks if it receives TEARDOWN and RTCP RR at the same time.
Chack the attached backtrace.
What happens basically is that RTPBin receives RTCP RR from the client which
results in a call to gst_rtsp_session_touch () in the server. (pad stream lock
taken, waiting for GstRTSPSession's object lock)
At the same time the server is tearing down the pipeline. (GstRTSPSession's
object lock taken, waiting for pad stream lock)

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