[gstreamer-bugs] [Bug 601587] New: MiniObject race condition
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Wed Nov 11 09:53:07 PST 2009
https://bugzilla.gnome.org/show_bug.cgi?id=601587
GStreamer | gstreamer (core) | git
Summary: MiniObject race condition
Classification: Desktop
Product: GStreamer
Version: git
OS/Version: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: gstreamer (core)
AssignedTo: gstreamer-bugs at lists.sourceforge.net
ReportedBy: ole.andre.ravnas at tandberg.com
QAContact: gstreamer-bugs at lists.sourceforge.net
GNOME target: ---
GNOME version: ---
There's a race condition in MiniObject's gst_mini_object_free() when finalize()
increments the reference count (to prevent destruction), puts the buffer in a
shared pool, and before gst_mini_object_free() executes the g_atomic_int_get()
some other thread may pick up the buffer from the pool and quickly unref it,
which would make both of them try to call g_type_free_instance() on the same
instance.
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