[Bug 738836] tracker-extract dumps core on a few SVG files

Tue Oct 28 08:54:55 PDT 2014

https://bugzilla.gnome.org/show_bug.cgi?id=738836
  GStreamer | don't know | unspecified

--- Comment #7 from Felipe Lessa <felipe.lessa at gmail.com> 2014-10-28 15:54:50 UTC ---
Is it okay now?

$ gdb /usr/lib/tracker/tracker-extract
GNU gdb (GDB) 7.8
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
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and "show warranty" for details.
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Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/lib/tracker/tracker-extract...done.
(gdb) run --file=rfam61-upgma-microRNAs.svg -v 3
Starting program: /usr/lib/tracker/tracker-extract
--file=rfam61-upgma-microRNAs.svg -v 3
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7fffee871700 (LWP 14819)]
[New Thread 0x7fffee070700 (LWP 14820)]
[New Thread 0x7fffec8a7700 (LWP 14821)]
Locale 'TRACKER_LOCALE_LANGUAGE' was set to 'pt_BR.utf8'
Locale 'TRACKER_LOCALE_TIME' was set to 'pt_BR.utf8'
Locale 'TRACKER_LOCALE_COLLATE' was set to 'pt_BR.utf8'
Locale 'TRACKER_LOCALE_NUMERIC' was set to 'pt_BR.utf8'
Locale 'TRACKER_LOCALE_MONETARY' was set to 'pt_BR.utf8'
Setting priority nice level to 19
Loading extractor rules... (/usr/share/tracker/extract-rules)
  Loaded rule '10-abw.rule'
  Loaded rule '10-bmp.rule'
  Loaded rule '10-comics.rule'
  Loaded rule '10-dvi.rule'
  Loaded rule '10-ebooks.rule'
  Loaded rule '10-epub.rule'
  Loaded rule '10-flac.rule'
  Loaded rule '10-gif.rule'
  Loaded rule '10-html.rule'
  Loaded rule '10-ico.rule'
  Loaded rule '10-jpeg.rule'
  Loaded rule '10-mp3.rule'
  Loaded rule '10-msoffice.rule'
  Loaded rule '10-oasis.rule'
  Loaded rule '10-pdf.rule'
  Loaded rule '10-png.rule'
  Loaded rule '10-ps.rule'
  Loaded rule '10-svg.rule'
  Loaded rule '10-tiff.rule'
  Loaded rule '10-vorbis.rule'
  Loaded rule '10-xmp.rule'
  Loaded rule '10-xps.rule'
  Loaded rule '11-iso.rule'
  Loaded rule '11-msoffice-xml.rule'
  Loaded rule '15-gstreamer-guess.rule'
  Loaded rule '15-playlist.rule'
  Loaded rule '15-source-code.rule'
  Loaded rule '90-gstreamer-audio-generic.rule'
  Loaded rule '90-gstreamer-image-generic.rule'
  Loaded rule '90-gstreamer-video-generic.rule'
  Loaded rule '90-text-generic.rule'
Extractor rules loaded
[New Thread 0x7fffdffff700 (LWP 14822)]
[New Thread 0x7fffdf7fe700 (LWP 14823)]
[New Thread 0x7fffdeffd700 (LWP 14824)]
[New Thread 0x7fffde7fc700 (LWP 14825)]
[New Thread 0x7fffddffb700 (LWP 14826)]
[New Thread 0x7fffdd7fa700 (LWP 14827)]
[New Thread 0x7fffdcff9700 (LWP 14828)]
[New Thread 0x7fffdc7f8700 (LWP 14829)]
[New Thread 0x7fffdbff7700 (LWP 14830)]
[New Thread 0x7fffdb7f6700 (LWP 14831)]
Initializing media art processing requirements...
No mounts found to iterate
Setting memory limitations: total is 16,8 GB, minimum is 256 MB, recommended is
~1 GB
  Virtual/Heap set to 8,4 GB (50% of total or MAXLONG)
MIME type guessed as 'image/svg+xml' (from GIO)
Using /usr/lib/tracker-1.0/extract-modules/libextract-gstreamer.so...
GStreamer backend in use:
  Discoverer/GUPnP-DLNA
[New Thread 0x7fffd962d700 (LWP 14832)]
[New Thread 0x7fffcd461700 (LWP 14833)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffd962d700 (LWP 14832)]
_fill_xrgb32_lerp_opaque_spans (abstract_renderer=0x7fffd962a570, y=23789,
h=24305, spans=0x7fffd9629450, num_spans=3)
    at cairo-image-compositor.c:2280
2280    cairo-image-compositor.c: Arquivo ou diretório não encontrado.
(gdb) thread apply all bt

Thread 16 (Thread 0x7fffcd461700 (LWP 14833)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff640d10c in g_cond_wait () from /usr/lib/libglib-2.0.so.0
#2  0x00007fffd9654995 in gst_queue_loop (pad=0x7fffd41142a8) at
gstqueue.c:1252
#3  0x00007fffda4eff06 in gst_task_func (task=0x89a710) at gsttask.c:317
#4  0x00007ffff63eff18 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007ffff63ef585 in ?? () from /usr/lib/libglib-2.0.so.0
#6  0x00007ffff6169486 in start_thread (arg=0x7fffcd461700) at
pthread_create.c:310
#7  0x00007ffff5ea490d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7fffd962d700 (LWP 14832)):
#0  _fill_xrgb32_lerp_opaque_spans (abstract_renderer=0x7fffd962a570, y=23789,
h=24305, spans=0x7fffd9629450, num_spans=3)
    at cairo-image-compositor.c:2280
#1  0x00007fffd2d46371 in generate_row (renderer=renderer at entry=0x7fffd962a570,
r=r at entry=0x7fffd9629d68, y=y at entry=14623, 
    h=h at entry=9166, coverage=coverage at entry=256) at
cairo-rectangular-scan-converter.c:625
#2  0x00007fffd2d47a03 in generate_box (self=<optimized out>,
renderer=0x7fffd962a570) at cairo-rectangular-scan-converter.c:643
#3  _cairo_rectangular_scan_converter_generate (converter=<optimized out>,
renderer=0x7fffd962a570)
    at cairo-rectangular-scan-converter.c:673
#4  0x00007fffd2d4f133 in composite_boxes (extents=0x7fffd962bf00,
boxes=<optimized out>, compositor=<optimized out>, 
    compositor=<optimized out>) at cairo-spans-compositor.c:741
#5  0x00007fffd2d4fe20 in clip_and_composite_boxes (compositor=0x7fffd300f968
<spans+104>, extents=0x7fffd962bf00, 
    boxes=0x7fffd962bae0) at cairo-spans-compositor.c:887
#6  0x00007fffd2d50696 in clip_and_composite_boxes (compositor=0x7fffd300f900
<spans>, extents=0x7fffd962bf00, boxes=0x7fffd962bae0)
    at cairo-spans-compositor.c:901
#7  0x00007fffd2d50b39 in _cairo_spans_compositor_fill
(_compositor=0x7fffd300f900 <spans>, extents=0x7fffd962bf00, 
    path=0x7fffd4119e98, fill_rule=CAIRO_FILL_RULE_WINDING,
tolerance=0.10000000000000001, antialias=CAIRO_ANTIALIAS_DEFAULT)
    at cairo-spans-compositor.c:1126
#8  0x00007fffd2d072e0 in _cairo_compositor_fill (compositor=0x7fffd300f900
<spans>, surface=0x7fffd41199a0, op=<optimized out>, 
    source=<optimized out>, path=0x7fffd4119e98,
fill_rule=CAIRO_FILL_RULE_WINDING, tolerance=0.10000000000000001, 
    antialias=CAIRO_ANTIALIAS_DEFAULT, clip=0x0) at cairo-compositor.c:203
#9  0x00007fffd2d1a067 in _cairo_image_surface_fill
(abstract_surface=<optimized out>, op=<optimized out>, source=<optimized out>, 
    path=<optimized out>, fill_rule=<optimized out>, tolerance=<optimized out>,
antialias=<optimized out>, clip=0x0)
    at cairo-image-surface.c:985
#10 0x00007fffd2d54197 in _cairo_surface_fill (surface=0x7ffeba368c48,
op=3124137028, source=0x5ef1, path=0x71711000, 
    fill_rule=(unknown: 16777472), tolerance=3.1027822467502477e-310,
antialias=113, clip=0x0) at cairo-surface.c:2315
#11 0x00007fffd2d10964 in _cairo_gstate_fill (gstate=0x7fffd411a620,
path=0x7fffd4119e98) at cairo-gstate.c:1317
#12 0x00007fffd2d018f5 in INT_cairo_fill_preserve (cr=0x7ffeba368c48,
cr at entry=0x7fffd4119b30) at cairo.c:2231
#13 0x00007fffd81c79d9 in rsvg_cairo_render_path (ctx=0x7fffd4116f20,
path=<optimized out>) at rsvg-cairo-draw.c:532
#14 0x00007fffd81c3fd2 in rsvg_render_path (ctx=0x7fffd4116f20,
path=0x7fffd4137170) at rsvg-base.c:1994
#15 0x00007fffd81bb616 in rsvg_node_draw (self=0x7fffd4136bd0,
ctx=0x7fffd4116f20, dominate=0) at rsvg-structure.c:69
#16 0x00007fffd81bb6a2 in _rsvg_node_draw_children (self=0x7fffd4136280,
ctx=0x7fffd4116f20, dominate=0) at rsvg-structure.c:87
#17 0x00007fffd81bb616 in rsvg_node_draw (self=0x7fffd4136280,
ctx=0x7fffd4116f20, dominate=0) at rsvg-structure.c:69
#18 0x00007fffd81bba62 in rsvg_node_svg_draw (self=0x7fffd405a260,
ctx=0x7fffd4116f20, dominate=<optimized out>)
    at rsvg-structure.c:323
#19 0x00007fffd81bb616 in rsvg_node_draw (self=0x7fffd405a260,
ctx=0x7fffd4116f20, dominate=0) at rsvg-structure.c:69
#20 0x00007fffd81c86fb in rsvg_handle_render_cairo_sub (handle=0x7fffd405c0d0,
cr=0x7fffd4119b30, id=<optimized out>)
    at rsvg-cairo-render.c:225
#21 0x00007fffd83d698a in gst_rsvg_decode_image (rsvg=0x7fffd4119b30,
buffer=0x7fffd4020a20, frame=0x7fffd962c820)
    at gstrsvgdec.c:238
#22 0x00007fffd83d6ed6 in gst_rsvg_dec_handle_frame (decoder=0x7fffd4058500,
frame=0x87eb00) at gstrsvgdec.c:342
#23 0x00007fffd9fc94ac in gst_video_decoder_decode_frame
(decoder=0x7fffd4058500, frame=0x87eb00) at gstvideodecoder.c:3007
#24 0x00007fffd9fd0f81 in gst_video_decoder_have_frame (decoder=0x7fffd4058500)
at gstvideodecoder.c:2939
#25 0x00007fffd9fc980e in gst_video_decoder_parse_available
(dec=0x7fffd4058500, at_eos=0, new_buffer=24305, new_buffer at entry=1)
    at gstvideodecoder.c:941
#26 0x00007fffd9fc99c4 in gst_video_decoder_chain_forward
(decoder=0x7fffd4058500, buf=0x7fffd4020910, at_eos=0)
    at gstvideodecoder.c:1880
#27 0x00007fffd9fcc14d in gst_video_decoder_chain (pad=0x7ffeba368c48,
parent=0x7fffd4058500, buf=0x7fffd4020910)
    at gstvideodecoder.c:2175
#28 0x00007fffda4c0e1e in gst_pad_chain_data_unchecked (data=<optimized out>,
type=<optimized out>, pad=<optimized out>)
    at gstpad.c:3836
#29 gst_pad_push_data (pad=0x890310, type=3657219200, data=0x7fffd4020910) at
gstpad.c:4069
#30 0x00007fffd96646ba in gst_type_find_element_loop (pad=0x0) at
gsttypefindelement.c:1110
#31 0x00007fffda4eff06 in gst_task_func (task=0x89a050) at gsttask.c:317
#32 0x00007ffff63eff18 in ?? () from /usr/lib/libglib-2.0.so.0
#33 0x00007ffff63ef585 in ?? () from /usr/lib/libglib-2.0.so.0
#34 0x00007ffff6169486 in start_thread (arg=0x7fffd962d700) at
pthread_create.c:310
#35 0x00007ffff5ea490d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7fffdb7f6700 (LWP 14831)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff640d10c in g_cond_wait () from /usr/lib/libglib-2.0.so.0
#2  0x00007ffff639daab in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007ffff63eff55 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007ffff63ef585 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007ffff6169486 in start_thread (arg=0x7fffdb7f6700) at
pthread_create.c:310
#6  0x00007ffff5ea490d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7fffdbff7700 (LWP 14830)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff640d10c in g_cond_wait () from /usr/lib/libglib-2.0.so.0
#2  0x00007ffff639daab in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007ffff63eff55 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007ffff63ef585 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007ffff6169486 in start_thread (arg=0x7fffdbff7700) at
pthread_create.c:310
#6  0x00007ffff5ea490d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7fffdc7f8700 (LWP 14829)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff640d10c in g_cond_wait () from /usr/lib/libglib-2.0.so.0
#2  0x00007ffff639daab in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007ffff63eff55 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007ffff63ef585 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007ffff6169486 in start_thread (arg=0x7fffdc7f8700) at
pthread_create.c:310
#6  0x00007ffff5ea490d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7fffdcff9700 (LWP 14828)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff640d10c in g_cond_wait () from /usr/lib/libglib-2.0.so.0
#2  0x00007ffff639daab in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007ffff63eff55 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007ffff63ef585 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007ffff6169486 in start_thread (arg=0x7fffdcff9700) at
pthread_create.c:310
#6  0x00007ffff5ea490d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fffdd7fa700 (LWP 14827)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff640d10c in g_cond_wait () from /usr/lib/libglib-2.0.so.0
#2  0x00007ffff639daab in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007ffff63eff55 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007ffff63ef585 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007ffff6169486 in start_thread (arg=0x7fffdd7fa700) at
pthread_create.c:310
#6  0x00007ffff5ea490d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fffddffb700 (LWP 14826)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff640d10c in g_cond_wait () from /usr/lib/libglib-2.0.so.0
#2  0x00007ffff639daab in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007ffff63eff55 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007ffff63ef585 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007ffff6169486 in start_thread (arg=0x7fffddffb700) at
pthread_create.c:310
#6  0x00007ffff5ea490d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fffde7fc700 (LWP 14825)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff640d10c in g_cond_wait () from /usr/lib/libglib-2.0.so.0
#2  0x00007ffff639daab in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007ffff63eff55 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007ffff63ef585 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007ffff6169486 in start_thread (arg=0x7fffde7fc700) at
pthread_create.c:310
#6  0x00007ffff5ea490d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fffdeffd700 (LWP 14824)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff640d10c in g_cond_wait () from /usr/lib/libglib-2.0.so.0
#2  0x00007ffff639daab in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007ffff63eff55 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007ffff63ef585 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007ffff6169486 in start_thread (arg=0x7fffdeffd700) at
pthread_create.c:310
#6  0x00007ffff5ea490d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fffdf7fe700 (LWP 14823)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff640d10c in g_cond_wait () from /usr/lib/libglib-2.0.so.0
#2  0x00007ffff639daab in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007ffff63eff55 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007ffff63ef585 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007ffff6169486 in start_thread (arg=0x7fffdf7fe700) at
pthread_create.c:310
#6  0x00007ffff5ea490d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fffdffff700 (LWP 14822)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff640d10c in g_cond_wait () from /usr/lib/libglib-2.0.so.0
#2  0x00007ffff639daab in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007ffff63eff55 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007ffff63ef585 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007ffff6169486 in start_thread (arg=0x7fffdffff700) at
pthread_create.c:310
#6  0x00007ffff5ea490d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fffec8a7700 (LWP 14821)):
#0  0x00007ffff5e9b58d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff63c8ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007ffff63c8dbc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3  0x00007ffff63c8df9 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007ffff63ef585 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007ffff6169486 in start_thread (arg=0x7fffec8a7700) at
pthread_create.c:310
#6  0x00007ffff5ea490d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fffee070700 (LWP 14820)):
#0  0x00007ffff5e9b58d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff63c8ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007ffff63c9032 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#3  0x00007ffff700ecb6 in ?? () from /usr/lib/libgio-2.0.so.0
#4  0x00007ffff63ef585 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007ffff6169486 in start_thread (arg=0x7fffee070700) at
pthread_create.c:310
#6  0x00007ffff5ea490d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fffee871700 (LWP 14819)):
#0  0x00007ffff5e9b58d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff63c8ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007ffff63c8dbc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3  0x00007fffee87925d in ?? () from /usr/lib/gio/modules/libdconfsettings.so
#4  0x00007ffff63ef585 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007ffff6169486 in start_thread (arg=0x7fffee871700) at
pthread_create.c:310
#6  0x00007ffff5ea490d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7ffff7f7f780 (LWP 14815)):
#0  0x00007ffff5e9b651 in __GI_ppoll (fds=0x88d970, nfds=1, timeout=<optimized
out>, sigmask=0x0)
    at ../sysdeps/unix/sysv/linux/ppoll.c:56
#1  0x00007fffda4d3cfe in ppoll (__ss=<optimized out>, __timeout=<optimized
out>, __nfds=<optimized out>, __fds=<optimized out>)
    at /usr/include/bits/poll2.h:77
#2  gst_poll_wait (set=0x8675e0, timeout=4) at gstpoll.c:1248
#3  0x00007fffda4951ba in gst_bus_timed_pop_filtered (bus=0x87c200,
timeout=500000000, types=GST_MESSAGE_ANY) at gstbus.c:542
#4  0x00007fffda784ba4 in handle_current_sync (dc=<optimized out>) at
gstdiscoverer.c:1453
#5  start_discovering (dc=0x7fffe8007760) at gstdiscoverer.c:1627
#6  0x00007fffda787373 in gst_discoverer_discover_uri
(discoverer=0x7fffe8007760, uri=0x7fffe80076a0 "", err=0x7fffffffe470)
    at gstdiscoverer.c:1800
#7  0x00007fffdabd464b in discoverer_init_and_run (uri=<optimized out>,
extractor=<optimized out>)
    at tracker-extract-gstreamer.c:1460
#8  tracker_extract_gstreamer (uri=0x88d970 "\t", uri at entry=0x6c59c0
"file:///tmp/rfam61-upgma-microRNAs.svg", info=0x681ca0, 
    type=EXTRACT_MIME_SVG, graph=<optimized out>) at
tracker-extract-gstreamer.c:1597
#9  0x00007fffdabd6548 in tracker_extract_get_metadata (info=0x681ca0) at
tracker-extract-gstreamer.c:1699
#10 0x000000000040b224 in get_file_metadata (task=0x661540,
info_out=0x7fffffffe540) at tracker-extract.c:325
#11 0x000000000040b834 in tracker_extract_get_metadata_by_cmdline
(object=0x6725b0, uri=0x661540 "\260%g", 
    mime=0x661578 "@d\275\332\377\177") at tracker-extract.c:796
#12 0x0000000000409984 in run_standalone (config=<optimized out>) at
tracker-main.c:283
#13 main (argc=1, argv=0x7fffffffe6b8) at tracker-main.c:345

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