[Bug 752496] New: dashdemux: illegal memory access when the list of S nodes is greater than the list of SegmentURL nodes

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Thu Jul 16 08:02:05 PDT 2015


https://bugzilla.gnome.org/show_bug.cgi?id=752496

            Bug ID: 752496
           Summary: dashdemux: illegal memory access when the list of S
                    nodes is greater than the list of SegmentURL nodes
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: florin.apostol at oregan.net
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

When building the media segment list using a SegmentList node, the 
gst_mpd_client_setup_representation function will iterate through the 
list of S nodes and for each S node will expect to find a matching SegmentUrl
node. If one does not exist, the code makes an illegal memory access when it
tries to access a NULL SegmentURL pointer.

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