$ coredumpctl gdb 24087
           PID: 24087 (pdftocairo)
           UID: 1000 (jona)
           GID: 1000 (jona)
        Signal: 6 (ABRT)
     Timestamp: Mo 2015-05-25 13:53:27 CEST (21s ago)
  Command Line: pdftocairo -png Studium/Recherche 2015-04-18/erkl  rung/p407-fielding.pdf -f 7 -l 7
    Executable: /usr/bin/pdftocairo
 Control Group: /user.slice/user-1000.slice/session-c2.scope
          Unit: session-c2.scope
         Slice: user-1000.slice
       Session: c2
     Owner UID: 1000 (jona)
       Boot ID: b800156b3480421d97a23016a00e2ca1
    Machine ID: 12ec684ab3604b65ac60b0feafea03d6
      Hostname: jona-crucial-m500
      Coredump: /var/lib/systemd/coredump/core.pdftocairo.1000.b800156b3480421d97a23016a00e2ca1.24087.1432554807000000.lz4
       Message: Process 24087 (pdftocairo) of user 1000 dumped core.

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Reading symbols from /usr/bin/pdftocairo...(no debugging symbols found)...done.
[New LWP 24087]

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".
Core was generated by `pdftocairo -png Studium/Recherche 2015-04-18/erklärung/p407-fielding.pdf -f 7'.
Program terminated with signal SIGABRT, Aborted.
#0  0x00007f48d4e43528 in raise () from /usr/lib/libc.so.6
(gdb) bt
#0  0x00007f48d4e43528 in raise () from /usr/lib/libc.so.6
#1  0x00007f48d4e4493a in abort () from /usr/lib/libc.so.6
#2  0x00007f48d4e3c3a7 in __assert_fail_base () from /usr/lib/libc.so.6
#3  0x00007f48d4e3c452 in __assert_fail () from /usr/lib/libc.so.6
#4  0x00007f48d5d32a4c in _cairo_scaled_glyph_page_destroy (scaled_font=<optimized out>, page=<optimized out>) at cairo-scaled-font.c:459
#5  0x00007f48d5d32bd1 in _cairo_scaled_font_free_last_glyph (scaled_font=0x25095a0, scaled_glyph=<optimized out>) at cairo-scaled-font.c:2912
#6  0x00007f48d5d34bcf in _cairo_scaled_glyph_lookup (scaled_font=scaled_font@entry=0x25095a0, index=0, info=info@entry=CAIRO_SCALED_GLYPH_INFO_PATH, scaled_glyph_ret=scaled_glyph_ret@entry=0x7ffee16beea0) at cairo-scaled-font.c:2993
#7  0x00007f48d5d35ede in _cairo_scaled_font_glyph_path (scaled_font=0x25095a0, glyphs=glyphs@entry=0x7ffee16bef10, num_glyphs=<optimized out>, path=path@entry=0x243d4d8) at cairo-scaled-font.c:2647
#8  0x00007f48d5cfb52c in _cairo_gstate_glyph_path (gstate=0x2508950, glyphs=0x24b5b40, num_glyphs=5, path=0x243d4d8) at cairo-gstate.c:2090
#9  0x00007f48d5cec942 in cairo_glyph_path (cr=0x243d170, glyphs=<optimized out>, num_glyphs=<optimized out>) at cairo.c:3552
#10 0x000000000040c3ac in ?? ()
#11 0x00007f48d63c7011 in Gfx::doShowText(GooString*) () from /usr/lib/libpoppler.so.51
#12 0x00007f48d63c78c5 in Gfx::opShowText(Object*, int) () from /usr/lib/libpoppler.so.51
#13 0x00007f48d63bfd1e in Gfx::go(bool) () from /usr/lib/libpoppler.so.51
#14 0x00007f48d63c01c0 in Gfx::display(Object*, bool) () from /usr/lib/libpoppler.so.51
#15 0x00007f48d6405f85 in Page::displaySlice(OutputDev*, double, double, int, bool, bool, int, int, int, int, bool, bool (*)(void*), void*, bool (*)(Annot*, void*), void*, bool) () from /usr/lib/libpoppler.so.51
#16 0x0000000000408cce in ?? ()
#17 0x00007f48d4e30790 in __libc_start_main () from /usr/lib/libc.so.6
#18 0x0000000000409cc9 in ?? ()