[Bug 775887] New: qtdemux/xmptag: memory leak in gst_tag_list_from_xmp_buffer

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=775887

            Bug ID: 775887
           Summary: qtdemux/xmptag: memory leak in
                    gst_tag_list_from_xmp_buffer
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: hanno at hboeck.de
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

This file causes a memory leak:
http://samples.mplayerhq.hu/ffmpeg-bugs/trac/ticket5624/2_8bv_4444_int.mov

ASAN error:
==3135==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 4 byte(s) in 1 object(s) allocated from:
    #0 0x4d4e38 in malloc (/usr/bin/gst-discoverer-1.0+0x4d4e38)
    #1 0x7f1a58727c98 in g_malloc
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gmem.c:94
    #2 0x7f1a587417fe in g_strdup
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gstrfuncs.c:363
    #3 0x7f1a5a19d3a6 in gst_tag_list_from_xmp_buffer
/f/gstreamer/gst-plugins-base/gst-libs/gst/tag/gstxmptag.c:1316:46
    #4 0x7f1a4c1fd66c in qtdemux_parse_udta
/f/gstreamer/gst-plugins-good/gst/isomp4/qtdemux.c:12531:18
    #5 0x7f1a4c1c44d1 in qtdemux_parse_tree
/f/gstreamer/gst-plugins-good/gst/isomp4/qtdemux.c:12875:5
    #6 0x7f1a4c1b4d4a in gst_qtdemux_loop_state_header
/f/gstreamer/gst-plugins-good/gst/isomp4/qtdemux.c:4228:7
    #7 0x7f1a4c1b4d4a in gst_qtdemux_loop
/f/gstreamer/gst-plugins-good/gst/isomp4/qtdemux.c:5765
    #8 0x7f1a5954ca03 in gst_task_func
/f/gstreamer/gstreamer/gst/gsttask.c:334:5
    #9 0x7f1a5874a857 in g_thread_pool_thread_proxy
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gthreadpool.c:307
    #10 0x7f1a58749ec4 in g_thread_proxy
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gthread.c:784
    #11 0x7f1a581c6453 in start_thread (/lib64/libpthread.so.0+0x7453)
    #12 0x7f1a57cf65dc in clone (/lib64/libc.so.6+0xe75dc)

SUMMARY: AddressSanitizer: 4 byte(s) leaked in 1 allocation(s).

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