[Bug 700340] New: Crash: tag 'track count' should hold value of type 'guint', but value of type '(null)' passed

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=700340
  GStreamer | gstreamer (core) | 1.0.7

           Summary: Crash: tag 'track count' should hold value of type
                    'guint', but value of type '(null)' passed
    Classification: Platform
           Product: GStreamer
           Version: 1.0.7
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: reiter.christoph at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


1.0.7 on debian unstable, using playbin.

GStreamer-WARNING **: tag 'track count' should hold value of type 'guint', but
value of type '(null)' passed

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffcbffe700 (LWP 3063)]
g_str_hash (v=0x0) at /tmp/buildd/glib2.0-2.36.1/./glib/ghash.c:1732
1732    /tmp/buildd/glib2.0-2.36.1/./glib/ghash.c: No such file or directory.
(gdb) bt
#0  g_str_hash (v=0x0) at /tmp/buildd/glib2.0-2.36.1/./glib/ghash.c:1732
#1  0x00007ffff5526669 in g_hash_table_lookup_node (hash_return=<synthetic
pointer>, 
    key=0x0, hash_table=0x17c9760) at
/tmp/buildd/glib2.0-2.36.1/./glib/ghash.c:365
#2  g_hash_table_lookup (hash_table=0x17c9760, key=key at entry=0x0)
    at /tmp/buildd/glib2.0-2.36.1/./glib/ghash.c:1076
#3  0x00007fffeb6ce0bf in gst_tag_lookup (tag_name=0x0) at gsttaglist.c:444
#4  0x00007fffeb6ce32d in gst_tag_list_add_value_internal (tag_list=<optimized
out>, 
    mode=GST_TAG_MERGE_KEEP, tag=<optimized out>,
value=value at entry=0x7fffc004a588, 
    info=info at entry=0x0) at gsttaglist.c:1007
#5  0x00007fffeb6ce38d in gst_tag_list_copy_foreach (tag_quark=<optimized out>,
value=
    0x7fffc004a588, user_data=0x7fffcbffda70) at gsttaglist.c:1079
#6  0x00007fffeb6c9bc1 in gst_structure_foreach (structure=0x7fffb40566c0, 
    func=func at entry=0x7fffeb6ce360 <gst_tag_list_copy_foreach>, 
    user_data=user_data at entry=0x7fffcbffda70) at gststructure.c:1122
#7  0x00007fffeb6d0c72 in gst_tag_list_insert (into=into at entry=0x7fffb401ede0, 
    from=from at entry=0x785a370, mode=mode at entry=GST_TAG_MERGE_KEEP) at
gsttaglist.c:1108
#8  0x00007fffeb6d0d72 in gst_tag_list_merge (list1=<optimized out>,
list2=0x785a370, 
    mode=mode at entry=GST_TAG_MERGE_KEEP) at gsttaglist.c:1145
#9  0x00007fffeaaebe52 in gst_tag_demux_send_tag_event
(demux=demux at entry=0x7fffc004f480)
    at gsttagdemux.c:1576
#10 0x00007fffeaaec456 in gst_tag_demux_src_getrange (srcpad=<optimized out>,
parent=
    0x7fffc004f480, offset=<optimized out>, length=<optimized out>, 
    buffer=<optimized out>) at gsttagdemux.c:1468
---Type <return> to continue, or q <return> to quit---
#11 0x00007fffeb6a60a8 in gst_pad_get_range_unchecked
(pad=pad at entry=0x7fffc004f8e0, 
    offset=offset at entry=0, size=size at entry=65536,
buffer=buffer at entry=0x7fffcbffdc48)
    at gstpad.c:4058
#12 0x00007fffeb6ad86f in gst_pad_pull_range (pad=0x7fffb4028030, offset=0, 
    size=size at entry=65536, buffer=0x7fffb401de88) at gstpad.c:4288
#13 0x00007fffeb1bf9ab in gst_base_parse_pull_range
(parse=parse at entry=0x7fffb401d800, 
    size=size at entry=65536, buffer=buffer at entry=0x7fffcbffdd58) at
gstbaseparse.c:2730
#14 0x00007fffeb1c3c9a in gst_base_parse_scan_frame
(parse=parse at entry=0x7fffb401d800, 
    klass=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at gstbaseparse.c:2866
#15 0x00007fffeb1c7a91 in gst_base_parse_loop (pad=<optimized out>)
    at gstbaseparse.c:2970
#16 0x00007fffeb6d4581 in gst_task_func (task=0x7fffc00b77e0) at gsttask.c:316
#17 0x00007ffff555b772 in g_thread_pool_thread_proxy (data=<optimized out>)
    at /tmp/buildd/glib2.0-2.36.1/./glib/gthreadpool.c:309
#18 0x00007ffff555af35 in g_thread_proxy (data=0x7fffbc002800)
    at /tmp/buildd/glib2.0-2.36.1/./glib/gthread.c:798
#19 0x00007ffff7bc6e0e in start_thread (arg=0x7fffcbffe700) at
pthread_create.c:311
#20 0x00007ffff6fdd95d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

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