[Webkit-unassigned] [Bug 122801] [GTK] Crash when click on "print to file" on print dialog (via javascript)

Thu Oct 17 05:39:14 PDT 2013

https://bugs.webkit.org/show_bug.cgi?id=122801

--- Comment #3 from Carlos Lopez <clopez at igalia.com>  2013-10-17 05:37:59 PST ---
This is the backtrace log of MiniBrowser on r157567 with debugsymbols:

$ ./WebKitBuild/Debug/Programs/MiniBrowser http://people.igalia.com/clopez/print_test.html

** (MiniBrowser:4287): WARNING **: GDBus.Error:org.freedesktop.DBus.Error.Spawn.FileInvalid: Cannot do system-bus activation with no user

Segmentation fault (core dumped)
LEAK: 11 RenderObject
LEAK: 1 Page
LEAK: 1 Frame
LEAK: 1 CachedResource
LEAK: 19 WebCoreNode
LEAK: 1 JSLazyEventListener
LEAK: 1 WebPage
LEAK: 1 WebFrame

$ gdb -ex "thread apply all bt" --batch ./WebKitBuild/Debug/Programs/MiniBrowser core
[New LWP 4287]
[New LWP 4324]
[New LWP 4460]
[New LWP 4322]
[New LWP 4323]
[New LWP 4461]
[New LWP 4376]

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 "/lib/x86_64-linux-gnu/libthread_db.so.1".

warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7fff157fe000
Core was generated by `./WebKitBuild/Debug/Programs/MiniBrowser http://people.igalia.com/clopez/print_'.
Program terminated with signal 11, Segmentation fault.
#0  gtk_print_settings_get (settings=settings at entry=0x0, key=key at entry=0x7fba908febe9 "output-basename") at /tmp/buildd/gtk+3.0-3.8.5/./gtk/gtkprintsettings.c:174
174    /tmp/buildd/gtk+3.0-3.8.5/./gtk/gtkprintsettings.c: No such file or directory.

Thread 7 (Thread 0x7fba924c2700 (LWP 4376)):
#0  0x00007fbae6ee51bd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbae76221fc in g_main_context_poll (n_fds=3, fds=0x7fba70001100, timeout=-1, context=0x1952c80, priority=<optimized out>) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3995
#2  g_main_context_iterate (context=0x1952c80, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3696
#3  0x00007fbae76226da in g_main_loop_run (loop=0x18fd7c0) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3895
#4  0x00007fbaed9c5afe in WorkQueue::workQueueThreadBody (this=0x19106f0) at ../../Source/WebKit2/Platform/gtk/WorkQueueGtk.cpp:173
#5  0x00007fbaed9c5ad8 in WorkQueue::startWorkQueueThread (workQueue=0x19106f0) at ../../Source/WebKit2/Platform/gtk/WorkQueueGtk.cpp:168
#6  0x00007fbae67ad6c9 in WTF::threadEntryPoint (contextData=0x1952d40) at ../../Source/WTF/wtf/Threading.cpp:69
#7  0x00007fbae67adc56 in WTF::wtfThreadEntryPoint (param=0x1771fc0) at ../../Source/WTF/wtf/ThreadingPthreads.cpp:195
#8  0x00007fbae36ea124 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#9  0x00007fbae71bce0e in start_thread (arg=0x7fba924c2700) at pthread_create.c:311
#10 0x00007fbae6ef095d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 6 (Thread 0x7fba748fc700 (LWP 4461)):
#0  0x00007fbae6ee51bd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbae76221fc in g_main_context_poll (n_fds=3, fds=0x7fba6c0010e0, timeout=-1, context=0x7fba68023160, priority=<optimized out>) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3995
#2  g_main_context_iterate (context=0x7fba68023160, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3696
#3  0x00007fbae76226da in g_main_loop_run (loop=0x7fba68022e70) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3895
#4  0x00007fbae7bf4526 in gdbus_shared_thread_func (user_data=0x7fba68023130) at /tmp/buildd/glib2.0-2.36.1/./gio/gdbusprivate.c:278
#5  0x00007fbae7645f35 in g_thread_proxy (data=0x7fba68003590) at /tmp/buildd/glib2.0-2.36.1/./glib/gthread.c:798
#6  0x00007fbae36ea124 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#7  0x00007fbae71bce0e in start_thread (arg=0x7fba748fc700) at pthread_create.c:311
#8  0x00007fbae6ef095d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7fba93fff700 (LWP 4323)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbae67ae3e2 in WTF::ThreadCondition::wait (this=0x179aa80, mutex=...) at ../../Source/WTF/wtf/ThreadingPthreads.cpp:378
#2  0x00007fbaecaaf5fa in WebCore::IconDatabase::syncThreadMainLoop (this=0x179a9c0) at ../../Source/WebCore/loader/icon/IconDatabase.cpp:1454
#3  0x00007fbaecaad9e5 in WebCore::IconDatabase::iconDatabaseSyncThread (this=0x179a9c0) at ../../Source/WebCore/loader/icon/IconDatabase.cpp:1054
#4  0x00007fbaecaad62e in WebCore::IconDatabase::iconDatabaseSyncThreadStart (vIconDatabase=0x179a9c0) at ../../Source/WebCore/loader/icon/IconDatabase.cpp:975
#5  0x00007fbae67ad6c9 in WTF::threadEntryPoint (contextData=0x17a9b80) at ../../Source/WTF/wtf/Threading.cpp:69
#6  0x00007fbae67adc56 in WTF::wtfThreadEntryPoint (param=0x179a230) at ../../Source/WTF/wtf/ThreadingPthreads.cpp:195
#7  0x00007fbae36ea124 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#8  0x00007fbae71bce0e in start_thread (arg=0x7fba93fff700) at pthread_create.c:311
#9  0x00007fbae6ef095d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7fba99833700 (LWP 4322)):
#0  0x00007fbae6ee51bd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbae76221fc in g_main_context_poll (n_fds=1, fds=0x7fba94001120, timeout=-1, context=0x17917d0, priority=<optimized out>) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3995
#2  g_main_context_iterate (context=0x17917d0, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3696
#3  0x00007fbae76226da in g_main_loop_run (loop=0x176da20) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3895
#4  0x00007fbaed9c5afe in WorkQueue::workQueueThreadBody (this=0x1791700) at ../../Source/WebKit2/Platform/gtk/WorkQueueGtk.cpp:173
#5  0x00007fbaed9c5ad8 in WorkQueue::startWorkQueueThread (workQueue=0x1791700) at ../../Source/WebKit2/Platform/gtk/WorkQueueGtk.cpp:168
#6  0x00007fbae67ad6c9 in WTF::threadEntryPoint (contextData=0x1791900) at ../../Source/WTF/wtf/Threading.cpp:69
#7  0x00007fbae67adc56 in WTF::wtfThreadEntryPoint (param=0x1778770) at ../../Source/WTF/wtf/ThreadingPthreads.cpp:195
#8  0x00007fbae36ea124 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#9  0x00007fbae71bce0e in start_thread (arg=0x7fba99833700) at pthread_create.c:311
#10 0x00007fbae6ef095d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fba750fd700 (LWP 4460)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007fbae7661b45 in g_cond_wait_until (cond=cond at entry=0x1989f88, mutex=mutex at entry=0x1989f80, end_time=end_time at entry=239890738236) at /tmp/buildd/glib2.0-2.36.1/./glib/gthread-posix.c:865
#2  0x00007fbae75f7b71 in g_async_queue_pop_intern_unlocked (queue=queue at entry=0x1989f80, wait=wait at entry=1, end_time=end_time at entry=239890738236) at /tmp/buildd/glib2.0-2.36.1/./glib/gasyncqueue.c:424
#3  0x00007fbae75f81ba in g_async_queue_timeout_pop (queue=0x1989f80, timeout=timeout at entry=15000000) at /tmp/buildd/glib2.0-2.36.1/./glib/gasyncqueue.c:545
#4  0x00007fbae7646732 in g_thread_pool_wait_for_new_pool () at /tmp/buildd/glib2.0-2.36.1/./glib/gthreadpool.c:169
#5  g_thread_pool_thread_proxy (data=<optimized out>) at /tmp/buildd/glib2.0-2.36.1/./glib/gthreadpool.c:366
#6  0x00007fbae7645f35 in g_thread_proxy (data=0x1a75ca0) at /tmp/buildd/glib2.0-2.36.1/./glib/gthread.c:798
#7  0x00007fbae36ea124 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#8  0x00007fbae71bce0e in start_thread (arg=0x7fba750fd700) at pthread_create.c:311
#9  0x00007fbae6ef095d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fba937fe700 (LWP 4324)):
#0  0x00007fbae6ee51bd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbae76221fc in g_main_context_poll (n_fds=1, fds=0x7fba84001100, timeout=-1, context=0x179b570, priority=<optimized out>) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3995
#2  g_main_context_iterate (context=0x179b570, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3696
#3  0x00007fbae76226da in g_main_loop_run (loop=0x179a320) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3895
#4  0x00007fbaed9c5afe in WorkQueue::workQueueThreadBody (this=0x179b4a0) at ../../Source/WebKit2/Platform/gtk/WorkQueueGtk.cpp:173
#5  0x00007fbaed9c5ad8 in WorkQueue::startWorkQueueThread (workQueue=0x179b4a0) at ../../Source/WebKit2/Platform/gtk/WorkQueueGtk.cpp:168
#6  0x00007fbae67ad6c9 in WTF::threadEntryPoint (contextData=0x17a9bd0) at ../../Source/WTF/wtf/Threading.cpp:69
#7  0x00007fbae67adc56 in WTF::wtfThreadEntryPoint (param=0x179a8a0) at ../../Source/WTF/wtf/ThreadingPthreads.cpp:195
#8  0x00007fbae36ea124 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
#9  0x00007fbae71bce0e in start_thread (arg=0x7fba937fe700) at pthread_create.c:311
#10 0x00007fbae6ef095d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fbaf1192a00 (LWP 4287)):
#0  gtk_print_settings_get (settings=settings at entry=0x0, key=key at entry=0x7fba908febe9 "output-basename") at /tmp/buildd/gtk+3.0-3.8.5/./gtk/gtkprintsettings.c:174
#1  0x00007fba908fe0c0 in output_file_from_settings (settings=settings at entry=0x0, default_format=<optimized out>) at /tmp/buildd/gtk+3.0-3.8.5/./modules/printbackends/file/gtkprintbackendfile.c:247
#2  0x00007fba908fe4ce in file_printer_get_options (printer=0x1a3a640, settings=0x0, page_setup=<optimized out>, capabilities=<optimized out>) at /tmp/buildd/gtk+3.0-3.8.5/./modules/printbackends/file/gtkprintbackendfile.c:723
#3  0x00007fbae94513e8 in selected_printer_changed (selection=<optimized out>, dialog=0x1994040) at /tmp/buildd/gtk+3.0-3.8.5/./gtk/gtkprintunixdialog.c:1961
#4  0x00007fbae78e58e7 in _g_closure_invoke_va (closure=0x19ac880, return_value=0x0, instance=0x19ab450, args=0x7fff157fa048, n_params=0, param_types=0x0) at /tmp/buildd/glib2.0-2.36.1/./gobject/gclosure.c:840
#5  0x00007fbae78fe2b6 in g_signal_emit_valist (instance=0x19ab450, signal_id=<optimized out>, detail=0, var_args=var_args at entry=0x7fff157fa048) at /tmp/buildd/glib2.0-2.36.1/./gobject/gsignal.c:3234
#6  0x00007fbae78fef82 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=detail at entry=0) at /tmp/buildd/glib2.0-2.36.1/./gobject/gsignal.c:3384
#7  0x00007fbae93ed07f in _gtk_tree_selection_internal_select_node (selection=<optimized out>, node=<optimized out>, tree=<optimized out>, path=path at entry=0x1d15820, mode=<optimized out>, override_browse_mode=override_browse_mode at entry=0) at /tmp/buildd/gtk+3.0-3.8.5/./gtk/gtktreeselection.c:1604
#8  0x00007fbae940152c in gtk_tree_view_real_set_cursor (tree_view=tree_view at entry=0x19ae280, path=path at entry=0x1d15820, flags=flags at entry=(CLEAR_AND_SELECT | CLAMP_NODE)) at /tmp/buildd/gtk+3.0-3.8.5/./gtk/gtktreeview.c:13208
#9  0x00007fbae9405aa8 in gtk_tree_view_button_press (widget=0x19ae280, event=0x1d3f0a0) at /tmp/buildd/gtk+3.0-3.8.5/./gtk/gtktreeview.c:3127
#10 0x00007fbae92fc3be in _gtk_marshal_BOOLEAN__BOXEDv (closure=0x173ba80, return_value=0x7fff157fa3a0, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x173bab0) at /tmp/buildd/gtk+3.0-3.8.5/./gtk/gtkmarshalers.c:130
#11 0x00007fbae78e58e7 in _g_closure_invoke_va (closure=0x173ba80, return_value=0x7fff157fa3a0, instance=0x19ae280, args=0x7fff157fa568, n_params=1, param_types=0x173bab0) at /tmp/buildd/glib2.0-2.36.1/./gobject/gclosure.c:840
#12 0x00007fbae78fe2b6 in g_signal_emit_valist (instance=0x19ae280, signal_id=<optimized out>, detail=0, var_args=var_args at entry=0x7fff157fa568) at /tmp/buildd/glib2.0-2.36.1/./gobject/gsignal.c:3234
#13 0x00007fbae78fef82 in g_signal_emit (instance=instance at entry=0x19ae280, signal_id=<optimized out>, detail=detail at entry=0) at /tmp/buildd/glib2.0-2.36.1/./gobject/gsignal.c:3384
#14 0x00007fbae941c664 in gtk_widget_event_internal (widget=widget at entry=0x19ae280, event=event at entry=0x1d3f0a0) at /tmp/buildd/gtk+3.0-3.8.5/./gtk/gtkwidget.c:6722
#15 0x00007fbae941c939 in gtk_widget_event (widget=widget at entry=0x19ae280, event=event at entry=0x1d3f0a0) at /tmp/buildd/gtk+3.0-3.8.5/./gtk/gtkwidget.c:6379
#16 0x00007fbae92fa6bc in propagate_event_up (topmost=<optimized out>, event=<optimized out>, widget=0x19ae280) at /tmp/buildd/gtk+3.0-3.8.5/./gtk/gtkmain.c:2403
#17 propagate_event (widget=<optimized out>, event=0x1d3f0a0, captured=<optimized out>, topmost=0x0) at /tmp/buildd/gtk+3.0-3.8.5/./gtk/gtkmain.c:2511
#18 0x00007fbae92fbfa5 in gtk_main_do_event (event=0x1d3f0a0) at /tmp/buildd/gtk+3.0-3.8.5/./gtk/gtkmain.c:1716
#19 0x00007fbae8f36e12 in gdk_event_source_dispatch (source=source at entry=0x178a380, callback=<optimized out>, user_data=<optimized out>) at /tmp/buildd/gtk+3.0-3.8.5/./gdk/x11/gdkeventsource.c:364
#20 0x00007fbae7621f25 in g_main_dispatch (context=0x17578e0) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3054
#21 g_main_context_dispatch (context=context at entry=0x17578e0) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3630
#22 0x00007fbae7622268 in g_main_context_iterate (context=0x17578e0, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3701
#23 0x00007fbae76226da in g_main_loop_run (loop=0x19a1fa0) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3895
#24 0x00007fbae928b7f0 in gtk_dialog_run (dialog=0x1994040) at /tmp/buildd/gtk+3.0-3.8.5/./gtk/gtkdialog.c:1110
#25 0x00007fbaec02e7ed in webkitPrintOperationRunDialog (printOperation=0x197dc00, parent=0x183c010) at ../../Source/WebKit2/UIProcess/API/gtk/WebKitPrintOperation.cpp:240
#26 0x00007fbaec02eba1 in webkitPrintOperationRunDialogForFrame (printOperation=0x197dc00, parent=0x183c010, webFrame=0x179be60) at ../../Source/WebKit2/UIProcess/API/gtk/WebKitPrintOperation.cpp:291
#27 0x00007fbaec04d765 in webkitWebViewPrintFrame (webView=0x17a10e0, frame=0x179be60) at ../../Source/WebKit2/UIProcess/API/gtk/WebKitWebView.cpp:1646
#28 0x00007fbaec03a053 in printFrame (page=0x1834420, frame=0x179be60) at ../../Source/WebKit2/UIProcess/API/gtk/WebKitUIClient.cpp:141
#29 0x00007fbaec1606b2 in WebKit::WebUIClient::printFrame (this=0x18345c0, page=0x1834420, frame=0x179be60) at ../../Source/WebKit2/UIProcess/WebUIClient.cpp:405
#30 0x00007fbaec112e6d in WebKit::WebPageProxy::printFrame (this=0x1834420, frameID=1) at ../../Source/WebKit2/UIProcess/WebPageProxy.cpp:2794
#31 0x00007fbaec2bde7d in CoreIPC::callMemberFunction<WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(unsigned long), unsigned long>(std::tuple<unsigned long>&&, std::tuple<>&, WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(unsigned long)) (args=..., object=0x1834420, function=(void (WebKit::WebPageProxy::*)(WebKit::WebPageProxy * const, unsigned long)) 0x7fbaec112d86 <WebKit::WebPageProxy::printFrame(unsigned long)>) at ../../Source/WebKit2/Platform/CoreIPC/HandleMessage.h:94
#32 0x00007fbaec2b7418 in CoreIPC::handleMessage<Messages::WebPageProxy::PrintFrame, WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(unsigned long)> (decoder=..., replyEncoder=..., object=0x1834420, function=(void (WebKit::WebPageProxy::*)(WebKit::WebPageProxy * const, unsigned long)) 0x7fbaec112d86 <WebKit::WebPageProxy::printFrame(unsigned long)>) at ../../Source/WebKit2/Platform/CoreIPC/HandleMessage.h:385
#33 0x00007fbaec2b0310 in WebKit::WebPageProxy::didReceiveSyncMessage (this=0x1834420, connection=0x19104a0, decoder=..., replyEncoder=...) at DerivedSources/WebKit2/WebPageProxyMessageReceiver.cpp:768
#34 0x00007fbaed9bf138 in CoreIPC::MessageReceiverMap::dispatchSyncMessage (this=0x179b188, connection=0x19104a0, decoder=..., replyEncoder=...) at ../../Source/WebKit2/Platform/CoreIPC/MessageReceiverMap.cpp:103
#35 0x00007fbaebfad236 in WebKit::ChildProcessProxy::dispatchSyncMessage (this=0x179b150, connection=0x19104a0, decoder=..., replyEncoder=...) at ../../Source/WebKit2/Shared/ChildProcessProxy.cpp:112
#36 0x00007fbaec1526ae in WebKit::WebProcessProxy::didReceiveSyncMessage (this=0x179b150, connection=0x19104a0, decoder=..., replyEncoder=...) at ../../Source/WebKit2/UIProcess/WebProcessProxy.cpp:364
#37 0x00007fbaed9ae39d in CoreIPC::Connection::dispatchSyncMessage (this=0x19104a0, decoder=...) at ../../Source/WebKit2/Platform/CoreIPC/Connection.cpp:749
#38 0x00007fbaed9ae6fb in CoreIPC::Connection::dispatchMessage (this=0x19104a0, message=...) at ../../Source/WebKit2/Platform/CoreIPC/Connection.cpp:807
#39 0x00007fbaed9ae922 in CoreIPC::Connection::dispatchOneMessage (this=0x19104a0) at ../../Source/WebKit2/Platform/CoreIPC/Connection.cpp:835
#40 0x00007fbaed9be305 in WTF::FunctionWrapper<void (CoreIPC::Connection::*)()>::operator() (this=0x7fba70001cc0, c=0x19104a0) at ../../Source/WTF/wtf/Functional.h:218
#41 0x00007fbaed9bde8a in WTF::BoundFunctionImpl<WTF::FunctionWrapper<void (CoreIPC::Connection::*)()>, void (CoreIPC::Connection*)>::operator()() (this=0x7fba70001cb0) at ../../Source/WTF/wtf/Functional.h:496
#42 0x00007fbaec22c31f in WTF::Function<void ()>::operator()() const (this=0x7fff157fb440) at ../../Source/WTF/wtf/Functional.h:704
#43 0x00007fbaed86c51d in WebCore::RunLoop::performWork (this=0x1796a70) at ../../Source/WebCore/platform/RunLoop.cpp:104
#44 0x00007fbaed88e7e8 in WebCore::RunLoop::queueWork (runLoop=0x1796a70) at ../../Source/WebCore/platform/gtk/RunLoopGtk.cpp:104
#45 0x00007fbae7621f25 in g_main_dispatch (context=0x17578e0) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3054
#46 g_main_context_dispatch (context=context at entry=0x17578e0) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3630
#47 0x00007fbae7622268 in g_main_context_iterate (context=0x17578e0, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3701
#48 0x00007fbae76226da in g_main_loop_run (loop=0x1952bb0) at /tmp/buildd/glib2.0-2.36.1/./glib/gmain.c:3895
#49 0x00007fbae92fb45d in gtk_main () at /tmp/buildd/gtk+3.0-3.8.5/./gtk/gtkmain.c:1156
#50 0x000000000040ee85 in main (argc=1, argv=0x7fff157fb6e8) at ../../Tools/MiniBrowser/gtk/main.c:281

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