#0  0x00007fb628e6edb6 in WebKit::PingLoad::timeoutTimerFired () at ./Source/WebKit/NetworkProcess/PingLoad.cpp:215
  [Error: PingLoad.cpp was not found in source tree]
#1  0x0000000000000101 in ?? ()
#2  0x00007fb62c5e9640 in closure_invoke_notifiers (notify_type=2, closure=0x1) at ../../../gobject/gclosure.c:289
  [Error: gclosure.c was not found in source tree]
#3  _g_closure_invoke_va (param_types=0x55c071454440, n_params=240, args=0x7fff03e5b630, instance=0x55c071d2d080, return_value=0x55c071446dc0, closure=<optimized out>) at ../../../gobject/gclosure.c:892
  [Error: gclosure.c was not found in source tree]
#4  g_signal_emit_valist (instance=0x55c071d2d080, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at ../../../gobject/gsignal.c:3407
  [Error: gsignal.c was not found in source tree]
#5  0x00007fb62c5e97a3 in g_signal_emit (instance=0x0, signal_id=240, detail=686233728) at ../../../gobject/gsignal.c:3550
  [Error: gsignal.c was not found in source tree]
#6  0x00007fb62c9d5b85 in gtk_combo_box_text_insert (combo_box=0x0, position=240, id=0x7fb628e71880 <logCookieInformationInternal()+6320> "\376\377\377\377\377\377\377\177I\003@\bL9\310\017\206\317\353\377\377\200;", text=0x0) at ../../../../gtk/gtkcomboboxtext.c:493
  [Error: gtkcomboboxtext.c was not found in source tree]
#7  0x00007fff03e5b930 in ?? ()
#8  0x00007fff03e5b8b0 in ?? ()
#9  0x00007fb62c5cbc6c in g_closure_invoke (closure=0x1, return_value=0x55c071d2d080, n_param_values=749944581, param_values=0x1, invocation_hint=0x0) at ../../../gobject/gclosure.c:817
  [Error: gclosure.c was not found in source tree]
#10 0x00007fb62c5e7ae0 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x55c071d2d080, emission_return=0x0, instance_and_params=0x7fff03e5b930) at ../../../gobject/gsignal.c:3777
  [Error: gsignal.c was not found in source tree]
#11 0x00007fb62c5e9554 in g_signal_emit_valist (instance=0x55c071d2d080, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at ../../../gobject/gsignal.c:3399
  [Error: gsignal.c was not found in source tree]
#12 0x00007fb62c5e97a3 in g_signal_emit (instance=0x0, signal_id=240, detail=686233728) at ../../../gobject/gsignal.c:3550
  [Error: gsignal.c was not found in source tree]
#13 0x00007fb62cc06600 in gtk_widget_get_pango_context (widget=0x55c071d2d080) at ../../../../gtk/gtkwidget.c:10384
  [Error: gtkwidget.c was not found in source tree]
#14 0x00007fb62c5d9e71 in g_object_run_dispose (object=0x0) at ../../../gobject/gobject.c:1263
  [Error: gobject.c was not found in source tree]
#15 0x00007fb62cad5136 in gtk_notebook_class_init (class=0x55c07191a590) at ../../../../gtk/gtknotebook.c:1226
  [Error: gtknotebook.c was not found in source tree]
#16 gtk_notebook_class_intern_init (klass=0x55c07191a590) at ../../../../gtk/gtknotebook.c:600
  [Error: gtknotebook.c was not found in source tree]
#17 0x00007fb62c5cbc6c in g_closure_invoke (closure=0x0, return_value=0x55c07144cbb0, n_param_values=748511274, param_values=0x1, invocation_hint=0x1) at ../../../gobject/gclosure.c:817
  [Error: gclosure.c was not found in source tree]
#18 0x00007fb62c5e7ae0 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x55c071c49430, emission_return=0x0, instance_and_params=0x7fff03e5bde0) at ../../../gobject/gsignal.c:3777
  [Error: gsignal.c was not found in source tree]
#19 0x00007fb62c5e9554 in g_signal_emit_valist (instance=0x55c071c49430, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at ../../../gobject/gsignal.c:3399
  [Error: gsignal.c was not found in source tree]
#20 0x00007fb62c5e97a3 in g_signal_emit (instance=0x0, signal_id=240, detail=686233728) at ../../../gobject/gsignal.c:3550
  [Error: gsignal.c was not found in source tree]
#21 0x00007fb62cc06600 in gtk_widget_get_pango_context (widget=0x55c071c49430) at ../../../../gtk/gtkwidget.c:10384
  [Error: gtkwidget.c was not found in source tree]
#22 0x00007fb62c5d9e71 in g_object_run_dispose (object=0x0) at ../../../gobject/gobject.c:1263
  [Error: gobject.c was not found in source tree]
#23 0x00007fb62c98b6f0 in gtk_button_box_allocate (gadget=<optimized out>, allocation=<optimized out>, baseline=<optimized out>, out_clip=0x0, unused=<optimized out>) at ../../../../gtk/gtkbbox.c:1157
  [Error: gtkbbox.c was not found in source tree]
#24 0x00007fb62c5dff60 in g_param_spec_boxed (name=0x55c0768ca560 "\001", nick=0x7fb62c5e7ae0 <signal_emit_unlocked_R+2432> "H\213D$(H\205\300\017\204\365\373\377\377H\213H\bL\215\264$\300", blurb=0x10 <error: Cannot access memory at address 0x10>, boxed_type=140733258777040, flags=1900334000) at ../../../gobject/gparamspecs.c:2366
  [Error: gparamspecs.c was not found in source tree]
#25 0x000055c074e6a230 in ?? ()
#26 0x0000000000000000 in ?? ()