[Bug 732750] New: videoaggregator: broken locking in setcaps function
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Fri Jul 4 15:21:57 PDT 2014
https://bugzilla.gnome.org/show_bug.cgi?id=732750
GStreamer | gst-plugins-bad | git
Summary: videoaggregator: broken locking in setcaps function
Classification: Platform
Product: GStreamer
Version: git
OS/Version: All
Status: NEW
Severity: critical
Priority: Normal
Component: gst-plugins-bad
AssignedTo: gstreamer-bugs at lists.freedesktop.org
ReportedBy: t.i.m at zen.co.uk
QAContact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
I don't really understand how the locking is supposed to work there - at least
four different locks at the same time! Respect! (PAD_STREAM_LOCK,
AGGREGATOR_SETCAPS_LOCK, AGGREGATOR_LOCK, OBJECT_LOCK)
All I can say is that it's buggy:
Line 558 does GST_OBJECT_UNLOCK (vagg); and then line 613 and 633 call
GST_OBJECT_UNLOCK again.
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