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

[GStreamer (GNOME Bugzilla)]

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

Sebastian Dröge (slomo) <slomo at coaxion.net> changed:

           What    |Removed                     |Added
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                 CC|                            |slomo at coaxion.net

--- Comment #1 from Sebastian Dröge (slomo) <slomo at coaxion.net> ---
upstream_size comes from a duration query, wav->offset is the position from
where we pulled just before in pull mode, and the byte counter from the adapter
otherwise.

While I agree that this should not assert, it seems like something else is off
too here. Either we failed counting bytes, upstream allows to pull from after
the duration, or upstream reports completely bogus duration, or the state
variables in wavparse became inconsistent.

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