[gstreamer-bugs] [Bug 572256] New: gst/avi/gstavidemux.c: Alignment trap in gst_avi_demux_parse_odml() line 1270 (from git)

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  GStreamer | gst-plugins-good | Ver: 0.10.21
           Summary: gst/avi/gstavidemux.c: Alignment trap in
                    gst_avi_demux_parse_odml() line 1270 (from git)
           Product: GStreamer
           Version: 0.10.21
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: antoine.pelisse at sitcorp.eu
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


Hi,
I am running gstreamer-0.10.21 with gst-plugin-good-0.10.10 on a da-vinci
dm6446 platform (arm9 processor).
I have had a crash (actually it crashes every time) on this line (in
gst_avi_demux_parse_odml()):
       dmlh.totalframes = GUINT32_FROM_LE (_dmlh->totalframes);
It seems like _dmlh is rounded to 2 while acceeding an integer must have a
rounded to 4 address.
Replacing this line by:
        dmlh.totalframes = GST_READ_UINT32_LE (&_dmlh->totalframes);
fixes the problem (GST_READ_UINT32_LE reads bytes by bytes and is thus correct
on unaligned address).

Is it the correct way to fix it or is there some other issue in my setup ?


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