From 7eccdbe6933020dd9dea1a8b236df1032ec086f3 Mon Sep 17 00:00:00 2001
From: kleonc <9283098+kleonc@users.noreply.github.com>
Date: Sun, 16 May 2021 14:01:01 +0200
Subject: [PATCH] Fix accessing scene tree without checking:
 MeshInstance3D::create_debug_tangents, GIProbe::bake

(cherry picked from commit ef589a7cd3551a2e088a7293db0ca79845c1745f)
---
 scene/3d/gi_probe.cpp      | 2 +-
 scene/3d/mesh_instance.cpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/scene/3d/gi_probe.cpp b/scene/3d/gi_probe.cpp
index b93017c0a4b..f0d9b5c0994 100644
--- a/scene/3d/gi_probe.cpp
+++ b/scene/3d/gi_probe.cpp
@@ -391,7 +391,7 @@ void GIProbe::bake(Node *p_from_node, bool p_create_visual_debug) {
 		mmi->set_multimesh(baker.create_debug_multimesh());
 		add_child(mmi);
 #ifdef TOOLS_ENABLED
-		if (get_tree()->get_edited_scene_root() == this) {
+		if (is_inside_tree() && get_tree()->get_edited_scene_root() == this) {
 			mmi->set_owner(this);
 		} else {
 			mmi->set_owner(get_owner());
diff --git a/scene/3d/mesh_instance.cpp b/scene/3d/mesh_instance.cpp
index 51c4b662e72..d585ec557b9 100644
--- a/scene/3d/mesh_instance.cpp
+++ b/scene/3d/mesh_instance.cpp
@@ -812,7 +812,7 @@ void MeshInstance::create_debug_tangents() {
 		add_child(mi);
 #ifdef TOOLS_ENABLED
 
-		if (this == get_tree()->get_edited_scene_root()) {
+		if (is_inside_tree() && this == get_tree()->get_edited_scene_root()) {
 			mi->set_owner(this);
 		} else {
 			mi->set_owner(get_owner());