[Bug 791833] New: waveparse: Assert and execute an integer overflow on invalid duration

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=791833

            Bug ID: 791833
           Summary: waveparse: Assert and execute an integer overflow on
                    invalid duration
    Classification: Platform
           Product: GStreamer
           Version: unspecified
                OS: All
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: nicolas at ndufresne.ca
        QA Contact: gstreamer-bugs at lists.freedesktop.org
                CC: nicolas at ndufresne.ca, t.i.m at zen.co.uk
        Depends on: 791811
     GNOME version: ---

+++ This bug was initially created as a clone of Bug #791811 +++

A bug in festival element lead to this assertion:

ERROR:gstwavparse.c:1310:gst_wavparse_stream_headers: assertion failed:
(upstream_size >= wav->offset)

I think it's a bit silly to assert and compute the integer overflow. We should
warn and ignore the duration query value instead.

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