[gstreamer-bugs] [Bug 357185] New: GstController binding crashes on bad arguments
GStreamer (bugzilla.gnome.org)
bugzilla-daemon at bugzilla.gnome.org
Fri Sep 22 05:32:05 PDT 2006
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GStreamer | gst-python | Ver: HEAD CVS
Summary: GstController binding crashes on bad arguments
Product: GStreamer
Version: HEAD CVS
Platform: Other
OS/Version: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: gst-python
AssignedTo: gstreamer-bugs at lists.sourceforge.net
ReportedBy: mail at renestadler.de
QAContact: johan at gnome.org
GNOME version: Unspecified
GNOME milestone: Unspecified
Consider these snippets, each run with
>>> import pygst; pygst.require ("0.10"); import gst
before:
>>> gst.Controller ("spam")
Segmentation fault
>>> gst.Controller (gst.element_factory_make ("volume"), None)
Traceback (most recent call last):
File "<stdin>", line 1, in ?
RuntimeError: could not create GstController object
>>> gst.Controller (gst.element_factory_make ("volume"), "volume", -1)
Segmentation fault
>>> c = gst.Controller (gst.element_factory_make ("volume"), "volume")
>>> c.remove_properties (None)
Segmentation fault
After attached patch is applied, these come out as:
>>> gst.Controller ("spam")
Traceback (most recent call last):
File "<stdin>", line 1, in ?
TypeError: argument 1 must be gobject.GObject, not str
>>> gst.Controller (gst.element_factory_make ("volume"), None)
Traceback (most recent call last):
File "<stdin>", line 1, in ?
TypeError: expected string or Unicode object, NoneType found
>>> gst.Controller (gst.element_factory_make ("volume"), "volume", -1)
Traceback (most recent call last):
File "<stdin>", line 1, in ?
TypeError: expected string or Unicode object, int found
>>> c = gst.Controller (gst.element_factory_make ("volume"), "volume")
>>> c.remove_properties (None)
Traceback (most recent call last):
File "<stdin>", line 1, in ?
TypeError: expected string or Unicode object, NoneType found
A lot nicer, isn't it? The patch also fixes leaking the GLists (though their
data is _not_ leaked, the string pointer destinations are owned by python).
There are still more ways to crash, I will provide more patches later and close
the bug once I'm satisfied :-)
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