Segfault when hovering tree element and showing tooltip (GCC 7.1.1) #10372
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I'm able to reproduce this segmentation fault in Arch too. |
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Compiling with the |
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nice, I insist that these are actual real bugs that new GCC is catching,
not something we have to work-around.
we must avoid using cast_to<> on null objects, by either checking
beforehand that they are null if we are not certain. In far most cases this
check is done already, but it seems a few missing ones might remain.
…On Sun, Aug 20, 2017 at 8:42 PM, Wilson E. Alvarez ***@***.*** > wrote:
Compiling with debugging symbols gives the following full backtrace:
(gdb) bt full
#0 __cxxabiv1::__dynamic_cast (src_ptr=0x0, src_type=0x102c70258 <typeinfo for Object>, ***@***.***=0x102c53120 <typeinfo for Control>, ***@***.***=0) at /build/gcc-multilib/src/gcc/libstdc++-v3/libsupc++/dyncast.cc:50
vtable = <optimized out>
whole_type = <optimized out>
result = {dst_ptr = 0x104d7bf00, whole2dst = 30302152, whole2src = __cxxabiv1::__class_type_info::__not_contained, dst2src = 81248352, whole_details = 1}
whole_vtable = <optimized out>
#1 0x0000000101297987 in Object::cast_to<Control> (this=0x0) at core/object.h:569
No locals.
#2 Control::get_root_parent_control (this=<optimized out>) at scene/gui/control.cpp:2368
ci = 0x0
root = 0x0
#3 0x00000001010e456e in Viewport::_gui_show_tooltip ***@***.***=0x103a6fe10) at scene/main/viewport.cpp:1459
tooltip = {<Vector<wchar_t>> = {_ptr = 0x1079ba700 L"ball\nType: Sprite"}, <No data fields>}
rp = <optimized out>
ttp = {reference = 0x0}
r = {position = {{x = 78, width = 78}, {y = 112, height = 112}}, size = {{x = 0, width = 0}, {y = 0, height = 0}}}
vr = <optimized out>
#4 0x00000001010ecc87 in Viewport::_notification (this=0x103a6fe10, p_what=<optimized out>) at scene/main/viewport.cpp:473
No locals.
#5 0x0000000101a408e4 in Object::notification (this=0x103a6fe10, p_notification=16, p_reversed=<optimized out>) at core/object.cpp:954
No locals.
#6 0x000000010114c519 in SceneTree::_notify_group_pause ***@***.***=0x103ab2e90, p_group=..., ***@***.***=16) at scene/main/scene_tree.cpp:907
n = 0x103a6fe10
i = <optimized out>
E = <optimized out>
nodes_copy = {_ptr = 0x105f31870}
node_count = <optimized out>
nodes = <optimized out>
#7 0x000000010114d13f in SceneTree::iteration (this=0x103ab2e90, p_time=<optimized out>) at scene/main/scene_tree.cpp:466
No locals.
#8 0x000000010069cb13 in Main::iteration () at main/main.cpp:1574
fixed_begin = 5848024
ticks = 5848024
ticks_elapsed = <optimized out>
step = 0.01677
frame_slice = <optimized out>
fixed_process_ticks = 0
idle_process_ticks = 0
time_scale = <optimized out>
exit = false
iters = <optimized out>
idle_begin = <optimized out>
frame_time = <optimized out>
target_fps = <optimized out>
#9 0x0000000100696271 in OS_X11::run (this=0x7fffffffda50) at platform/x11/os_x11.cpp:2113
No locals.
#10 0x000000010068f70c in main (argc=4, argv=0x7fffffffdf78) at platform/x11/godot_x11.cpp:52
os = {<OS_Unix> = {<OS> = {_vptr.OS = 0x102c24000 <vtable for OS_X11+16>, static singleton = 0x7fffffffda50, _execpath = {<Vector<wchar_t>> = {_ptr = 0x102d42800 L"/opt/godot/bin/godot.x11.opt.tools.64"}, <No data fields>}, _cmdline = {_data = 0x102d42920}, _keep_screen_on = true,
low_processor_usage_mode = true, _verbose_stdout = false, _local_clipboard = {<Vector<wchar_t>> = {_ptr = 0x0}, <No data fields>}, _msec_splash = 139730317721296, _no_window = false, _exit_code = 0, _orientation = 0, _allow_hidpi = true, last_error = 0x104c95a30 "child is not a child of this node.",
_stack_bottom = 0x7fffffffda00, _render_thread_mode = OS::RENDER_THREAD_SAFE}, ticks_start = 1503270295724094, stdin_buf = {<Vector<wchar_t>> = {_ptr = 0x0}, <No data fields>}}, wm_delete = 345, xdnd_enter = 468, xdnd_position = 471, xdnd_status = 474, xdnd_action_copy = 461, xdnd_drop = 467,
xdnd_finished = 469, xdnd_selection = 473, requested = 0, xdnd_version = 0, context_gl = 0x102d76af0, visual_server = 0x102f20060, current_videomode = {width = 1024, height = 600, fullscreen = false, resizable = true, borderless_window = false}, args = {_data = 0x102d49740}, x11_window = 27262978,
xdnd_source_window = 140737488346264, main_loop = 0x103ab2e90, x11_display = 0x102d497a0, xmbstring = 0x0, xmblen = -2110899456, last_timestamp = 19358915, last_keyrelease_time = 0, xic = 0x102f8e000, xim = 0x102d63c60, xim_style = 1032, last_mouse_pos = {{x = 868, width = 868}, {y = 215, height = 215}},
last_mouse_pos_valid = true, last_click_pos = {{x = 0, width = 0}, {y = 0, height = 0}}, last_click_ms = 0, last_button_state = 0, physics_server = 0x1035614e0, physics_2d_server = 0x103588a40, mouse_mode = OS::MOUSE_MODE_VISIBLE, center = {{x = 0, width = 0}, {y = 0, height = 0}}, ip_unix = 0xffffffff,
force_quit = false, minimized = false, window_has_focus = true, do_mouse_warp = false, cursor_theme = 0x101f0277e "default", cursor_size = 22, img = {0x102f907c0, 0x102f910f0, 0x102f91a20, 0x102f92350, 0x102f93ab0, 0x102f943e0, 0x102f92c80, 0x102f94d10, 0x102f95640, 0x102f95f70, 0x102f968a0, 0x102f971d0,
0x102f97b00, 0x102f98430, 0x102f98d60, 0x102f99690, 0x102f99fc0}, cursors = {27262986, 27262990, 27262994, 27262998, 27263002, 27263006, 27263010, 27263014, 27263018, 27263022, 27263026, 27263030, 27263034, 27263038, 27263042, 27263046, 27263050}, null_cursor = 27263053,
current_cursor = OS::CURSOR_ARROW, input = 0x1035cb8f0, joypad = 0x103609e20, driver_alsa = {<AudioDriver> = {_vptr.AudioDriver = 0x102bfd630 <vtable for AudioDriverALSA+16>, static singleton = 0x7fffffffdd80, _last_mix_time = 0, _mix_amount = 0}, thread = 0x0, mutex = 0x0, pcm_handle = 0x0,
samples_in = 0x7f15802939a8 <vtable for std::basic_ostream<wchar_t, std::char_traits<wchar_t> >>, samples_out = 0x7f157ffa1421 <__cxxabiv1::__dynamic_cast(void const*, __cxxabiv1::__class_type_info const*, __cxxabiv1::__class_type_info const*, ptrdiff_t)+129>, mix_rate = 64,
speaker_mode = (AudioDriver::SPEAKER_SURROUND_51 | unknown: 32532), buffer_size = 1088, period_size = 1040, channels = 16, active = false, thread_exited = false, exit_thread = false, pcm_open = false}, driver_pulseaudio = {<AudioDriver> = {
_vptr.AudioDriver = 0x102bfd698 <vtable for AudioDriverPulseAudio+16>, static singleton = 0x7fffffffdd80, _last_mix_time = 5834301, _mix_amount = 251904}, thread = 0x102f63f20, mutex = 0x102f64220, pulse = 0x102f60960, samples_in = 0x102f8a7e0, samples_out = 0x102f8c800, mix_rate = 44100,
speaker_mode = AudioDriver::SPEAKER_MODE_STEREO, buffer_size = 1024, channels = 2, active = true, thread_exited = false, exit_thread = false, pcm_open = false, latency = 0}, driver_dummy = {<AudioDriver> = {_vptr.AudioDriver = 0x102c1b268 <vtable for AudioDriverDummy+16>,
static singleton = 0x7fffffffdd80, _last_mix_time = 0, _mix_amount = 0}, thread = 0x0, mutex = 0x0, samples_in = 0x7f157f9e5ba0 <initial>, buffer_size = 46781760, mix_rate = 1, speaker_mode = (unknown: 4), channels = 0, active = 48, thread_exited = 203, exit_thread = 190, pcm_open = true},
net_wm_icon = 4341595272, power_manager = 0x1035e5500, audio_driver_index = 0, capture_idle = 1, maximized = true, xrr_get_monitors = 0x7f15817c9940 <XRRGetMonitors>, xrr_free_monitors = 0x7f15817c9ec0 <XRRFreeMonitors>, xrandr_handle = 0x7f15822f3eb0, xrandr_ext_ok = 1}
cwd = 0x102cbb7a0 "/opt/godot"
err = <optimized out>
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Operating system or device - Godot version:
Archlinux
Godot 3.0 - master 603b262
Issue description:
Compiling with
My GCC Version
GDB backtrace
Segfault does not occur when compiling with GCC 5.4.0 or Clang 4.0.1
Steps to reproduce:
The text was updated successfully, but these errors were encountered: