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Gentoo's Bugzilla – Attachment 555212 Details for
Bug 671202
x11-libs/gtk+: Missing validation that style object is being accessed results in segfault in pango_layout_clear_lines()
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backtrace
xfce4-terminal-pango-segfault-2.txt (text/plain), 7.61 KB, created by
Kristian Fiskerstrand (RETIRED)
on 2018-11-15 17:28:22 UTC
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Description:
backtrace
Filename:
MIME Type:
Creator:
Kristian Fiskerstrand (RETIRED)
Created:
2018-11-15 17:28:22 UTC
Size:
7.61 KB
patch
obsolete
>Starting program: /usr/bin/xfce4-terminal >[Thread debugging using libthread_db enabled] >Using host libthread_db library "/lib64/libthread_db.so.1". >[New Thread 0x7fffeb3e5700 (LWP 22528)] >[New Thread 0x7fffeabe4700 (LWP 22530)] >[Thread 0x7fffeb3e5700 (LWP 22528) exited] >[Thread 0x7fffeabe4700 (LWP 22530) exited] >[Inferior 1 (process 22524) exited normally] >Starting program: /usr/bin/xfce4-terminal >[Thread debugging using libthread_db enabled] >Using host libthread_db library "/lib64/libthread_db.so.1". >[New Thread 0x7fffeb3e5700 (LWP 22544)] >[New Thread 0x7fffeabe4700 (LWP 22546)] >[Thread 0x7fffeabe4700 (LWP 22546) exited] >[Thread 0x7fffeb3e5700 (LWP 22544) exited] >[Inferior 1 (process 22543) exited normally] >Starting program: /usr/bin/xfce4-terminal >[Thread debugging using libthread_db enabled] >Using host libthread_db library "/lib64/libthread_db.so.1". >[New Thread 0x7fffeb3e5700 (LWP 22562)] >[New Thread 0x7fffeabe4700 (LWP 22564)] >[New Thread 0x7fffea3e3700 (LWP 22566)] >[New Thread 0x7fffdbfff700 (LWP 22569)] >[Thread 0x7fffdbfff700 (LWP 22569) exited] >[New Thread 0x7fffdbfff700 (LWP 22577)] > >Thread 1 "xfce4-terminal" received signal SIGSEGV, Segmentation fault. >0x00007ffff667ac4d in pango_layout_clear_lines (layout=0x555556298830) at /var/tmp/portage/x11-libs/pango-1.42.4/work/pango-1.42.4/pango/pango-layout.c:2851 >2851 /var/tmp/portage/x11-libs/pango-1.42.4/work/pango-1.42.4/pango/pango-layout.c: No such file or directory. >#0 0x00007ffff667ac4d in pango_layout_clear_lines (layout=0x555556298830) at /var/tmp/portage/x11-libs/pango-1.42.4/work/pango-1.42.4/pango/pango-layout.c:2851 > line = 0x48 > tmp_list = 0xaaaaaaaaaaaaaaaa >#1 0x00007ffff6678255 in layout_changed (layout=0x555556298830) at /var/tmp/portage/x11-libs/pango-1.42.4/work/pango-1.42.4/pango/pango-layout.c:1271 >No locals. >#2 0x00007ffff6677134 in pango_layout_set_attributes (layout=0x555556298830, attrs=0x0) at /var/tmp/portage/x11-libs/pango-1.42.4/work/pango-1.42.4/pango/pango-layout.c:614 > old_attrs = 0xaaaaaaaaaaaaaaaa > __func__ = "pango_layout_set_attributes" >#3 0x00007ffff6f0cb6d in gtk_css_node_update_layout_attributes (node=0x555555df96d0, layout=0x555556298830) at /var/tmp/portage/x11-libs/gtk+-3.24.1/work/gtk+-3.24.1/gtk/gtkscale.c:1211 > style = 0x555555d588e0 > attrs = 0x0 > desc = 0x7fffe0001ef0 >#4 0x00007ffff6f0e7ec in gtk_scale_get_layout (scale=0x555555aa7400) at /var/tmp/portage/x11-libs/gtk+-3.24.1/work/gtk+-3.24.1/gtk/gtkscale.c:2026 > min_layout_width = -11296 > priv = 0x555555aa7200 > txt = 0x555555819e40 "\t" > __func__ = "gtk_scale_get_layout" >#5 0x00007ffff6c257b7 in gtk_scale_accessible_get_description (object=0x55555621eab0) at /var/tmp/portage/x11-libs/gtk+-3.24.1/work/gtk+-3.24.1/gtk/a11y/gtkscaleaccessible.c:35 > widget = 0x555555aa7400 > layout = 0x7fffffffd450 >#6 0x00007ffff270a901 in ?? () from /usr/lib64/libatk-bridge-2.0.so.0 >No symbol table info available. >#7 0x00007ffff270ac01 in ?? () from /usr/lib64/libatk-bridge-2.0.so.0 >No symbol table info available. >#8 0x00007ffff5a9fc91 in g_cclosure_marshal_VOID__OBJECT (closure=0x555555d21850, return_value=0x0, n_param_values=2, param_values=0x7fffffffd7f0, invocation_hint=0x7fffffffd7a0, marshal_data=0x0) at /var/tmp/portage/dev-libs/glib-2.56.2/work/glib-2.56.2/gobject/gmarshal.c:2062 > callback = 0x7ffff270ab90 > cc = 0x555555d21850 > data1 = 0x555555ce82f0 > data2 = 0x0 > __func__ = "g_cclosure_marshal_VOID__OBJECT" >#9 0x00007ffff5a9a802 in g_closure_invoke (closure=0x555555d21850, return_value=0x0, n_param_values=2, param_values=0x7fffffffd7f0, invocation_hint=0x7fffffffd7a0) at /var/tmp/portage/dev-libs/glib-2.56.2/work/glib-2.56.2/gobject/gclosure.c:804 > marshal = 0x7ffff5a9fbbc <g_cclosure_marshal_VOID__OBJECT> > marshal_data = 0x0 > in_marshal = 0 > real_closure = 0x555555d21830 > __func__ = "g_closure_invoke" >#10 0x00007ffff5ab944d in signal_emit_unlocked_R (node=0x555555ce11d0, detail=0, instance=0x555555ce82f0, emission_return=0x0, instance_and_params=0x7fffffffd7f0) at /var/tmp/portage/dev-libs/glib-2.56.2/work/glib-2.56.2/gobject/gsignal.c:3635 > tmp = 0x50 > handler = 0x555555d20cc0 > accumulator = 0x0 > emission = {next = 0x0, instance = 0x555555ce82f0, ihint = {signal_id = 307, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4} > class_closure = 0x0 > hlist = 0x555555d218d8 > handler_list = 0x555555d20cc0 > return_accu = 0x0 > accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}} > signal_id = 307 > max_sequential_handler_number = 13465 > return_value_altered = 0 >#11 0x00007ffff5ab86b5 in g_signal_emit_valist (instance=0x555555ce82f0, signal_id=307, detail=0, var_args=0x7fffffffda70) at /var/tmp/portage/dev-libs/glib-2.56.2/work/glib-2.56.2/gobject/gsignal.c:3391 > instance_and_params = 0x7fffffffd7f0 > signal_return_type = 4 > param_values = 0x7fffffffd808 > node = 0x555555ce11d0 > i = 1 > n_params = 1 > __func__ = "g_signal_emit_valist" >#12 0x00007ffff5ab8c52 in g_signal_emit (instance=0x555555ce82f0, signal_id=307, detail=0) at /var/tmp/portage/dev-libs/glib-2.56.2/work/glib-2.56.2/gobject/gsignal.c:3447 > var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffffffdb50, reg_save_area = 0x7fffffffda90}} >#13 0x00007ffff2700020 in ?? () from /usr/lib64/libatk-bridge-2.0.so.0 >No symbol table info available. >#14 0x00007ffff559eb00 in g_idle_dispatch (source=0x5555561ed190, callback=0x7ffff26ffed0, user_data=0x555555ce82f0) at /var/tmp/portage/dev-libs/glib-2.56.2/work/glib-2.56.2/glib/gmain.c:5534 > again = 1 >#15 0x00007ffff559bf78 in g_main_dispatch (context=0x5555557e28b0) at /var/tmp/portage/dev-libs/glib-2.56.2/work/glib-2.56.2/glib/gmain.c:3176 > dispatch = 0x7ffff559eab4 <g_idle_dispatch> > prev_source = 0x0 > was_in_call = 0 > user_data = 0x555555ce82f0 > callback = 0x7ffff26ffed0 > cb_funcs = 0x7ffff5877a40 <g_source_callback_funcs> > cb_data = 0x555556159eb0 > need_destroy = 1 > source = 0x5555561ed190 > current = 0x5555557e5e60 > i = 40 > __func__ = "g_main_dispatch" >#16 0x00007ffff559ce8f in g_main_context_dispatch (context=0x5555557e28b0) at /var/tmp/portage/dev-libs/glib-2.56.2/work/glib-2.56.2/glib/gmain.c:3829 >No locals. >#17 0x00007ffff559d082 in g_main_context_iterate (context=0x5555557e28b0, block=1, dispatch=1, self=0x5555557d56c0) at /var/tmp/portage/dev-libs/glib-2.56.2/work/glib-2.56.2/glib/gmain.c:3902 > max_priority = 200 > timeout = 0 > some_ready = 1 > nfds = 7 > allocated_nfds = 7 > fds = 0x555555d05180 >#18 0x00007ffff559d4bc in g_main_loop_run (loop=0x5555557b8c70) at /var/tmp/portage/dev-libs/glib-2.56.2/work/glib-2.56.2/glib/gmain.c:4098 > self = 0x5555557d56c0 > __func__ = "g_main_loop_run" >#19 0x00007ffff6e61b34 in gtk_main () at /var/tmp/portage/x11-libs/gtk+-3.24.1/work/gtk+-3.24.1/gtk/gtkmain.c:1323 > loop = 0x5555557b8c70 >#20 0x0000555555565fa5 in main (argc=1, argv=0x7fffffffde98) at main.c:348 > options = {show_help = 0, show_version = 0, show_colors = 0, show_preferences = 0, disable_server = 0} > app = 0x555555866a30 > startup_id = 0x0 > display = 0x7fffffffe83f ":0" > error = 0x0 > nargv = 0x5555557d2490 > nargc = 4 > n = 1 > msg = 0x0
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bug 671202
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