[Gstreamer-bugs] [Bug 145215] - [PATCH] Fix double-free bug in gst-inspect

[bugzilla-daemon at bugzilla.gnome.org]

http://bugzilla.gnome.org/show_bug.cgi?id=145215
GStreamer | gstreamer (core) | Ver: HEAD CVS





------- Additional Comments From marcus at freebsd.org  2004-06-30 15:44 -------
Then there needs to be a separate function to check to see if a node has already
been freed.  This is reliably reproduceable on FreeBSD with gstreamer-0.8.3,
gst-plugins-0.8.2, and cdparanoia-3.9.8.  Here is the full backtrace:

GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-marcel-freebsd"...
Core was generated by `gst-inspect-0.8'.
Program terminated with signal 6, Aborted.
(gdb) bt full
#0  0x284aab7b in kill () from /lib/libc.so.5
No symbol table info available.
#1  0x282c276b in raise () from /usr/lib/libpthread.so.1
No symbol table info available.
#2  0x2850c6cf in abort () from /lib/libc.so.5
No symbol table info available.
#3  0x284b4b19 in ldexp () from /lib/libc.so.5
No symbol table info available.
#4  0x284b4b5d in ldexp () from /lib/libc.so.5
No symbol table info available.
#5  0x284b5ca8 in realloc () from /lib/libc.so.5
No symbol table info available.
#6  0x284b54fa in ldexp () from /lib/libc.so.5
No symbol table info available.
#7  0x284b563b in ldexp () from /lib/libc.so.5
No symbol table info available.
#8  0x284b575c in free () from /lib/libc.so.5
No symbol table info available.
#9  0x28308c90 in g_free () from /usr/local/lib/libglib-2.0.so.400
No symbol table info available.
#10 0x28315224 in g_slist_foreach () from /usr/local/lib/libglib-2.0.so.400
No symbol table info available.
#11 0x0804b845 in print_signal_info (element=0x80bc800) at gst-inspect.c:802
	signals = (guint *) 0x807b600
	nsignals = 3
	i = 1
	j = 1
	k = 0
	query = (GSignalQuery *) 0x807a800
	type = 134644160
	found_signals = (GSList *) 0x805f588
	l = (GSList *) 0x0
#12 0x0804c1ad in main (argc=2, argv=0xbfbfe8ec) at gst-inspect.c:1072
	element = (GstElement *) 0x80bc800
	maxlevel = 4
	factory = (GstElementFactory *) 0x8086e80
	plugin = (GstPlugin *) 0x0
	options = {{longName = 0x0, shortName = 0 '\0', argInfo = 0, arg = 0x0, val =
0, descrip = 0x0, argDescrip = 0x0}}


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