Memory leak and crash fixes

editor/editor_resource_preview.cpp

@@ -207,6 +207,7 @@ void EditorResourcePreview::_generate_preview(Ref<ImageTexture> &r_texture, Ref<
 			f->store_line(itos(has_small_texture));
 			f->store_line(itos(FileAccess::get_modified_time(p_item.path)));
 			f->store_line(FileAccess::get_md5(p_item.path));
+			f->close();
 			memdelete(f);
 		}
 	}

editor/plugins/canvas_item_editor_plugin.cpp

@@ -5215,6 +5215,7 @@ CanvasItemEditor::CanvasItemEditor(EditorNode *p_editor) {
 	snap_other_nodes = true;
 	snap_guides = true;
 	snap_rotation = false;
+	snap_scale = false;
 	snap_relative = false;
 	snap_pixel = false;
 	snap_target[0] = SNAP_TARGET_NONE;

editor/plugins/editor_preview_plugins.cpp

@@ -103,9 +103,11 @@ Ref<Texture> EditorTexturePreviewPlugin::generate(const RES &p_from, const Size2
 		img = ltex->to_image();
 	} else {
 		Ref<Texture> tex = p_from;
-		img = tex->get_data();
-		if (img.is_valid()) {
-			img = img->duplicate();
+		if (tex.is_valid()) {
+			img = tex->get_data();
+			if (img.is_valid()) {
+				img = img->duplicate();
+			}
 		}
 	}
 

modules/etc/texture_loader_pkm.cpp

@@ -91,6 +91,8 @@ RES ResourceFormatPKM::load(const String &p_path, const String &p_original_path,
 	if (r_error)
 		*r_error = OK;
 
+	f->close();
+	memdelete(f);
 	return texture;
 }
 

modules/theora/video_stream_theora.cpp

@@ -741,6 +741,8 @@ RES ResourceFormatLoaderTheora::load(const String &p_path, const String &p_origi
 		*r_error = OK;
 	}
 
+	f->close();
+	memdelete(f);
 	return ogv_stream;
 }
 

modules/webm/video_stream_webm.cpp

@@ -484,6 +484,8 @@ RES ResourceFormatLoaderWebm::load(const String &p_path, const String &p_origina
 		*r_error = OK;
 	}
 
+	f->close();
+	memdelete(f);
 	return webm_stream;
 }
 

scene/gui/range.cpp

@@ -213,6 +213,7 @@ void Range::unshare() {
 	nshared->val = shared->val;
 	nshared->step = shared->step;
 	nshared->page = shared->page;
+	nshared->exp_ratio = shared->exp_ratio;
 	nshared->allow_greater = shared->allow_greater;
 	nshared->allow_lesser = shared->allow_lesser;
 	_unref_shared();

scene/gui/tree.cpp

@@ -4050,6 +4050,7 @@ Tree::Tree() {
 	drop_mode_section = 0;
 	single_select_defer = NULL;
 
+	scrolling = false;
 	allow_rmb_select = false;
 	force_edit_checkbox_only_on_checkbox = false;
 

scene/resources/texture.cpp

@@ -2369,16 +2369,20 @@ RES ResourceFormatLoaderTextureLayered::load(const String &p_path, const String
 
 	if (header[0] == 'G' && header[1] == 'D' && header[2] == '3' && header[3] == 'T') {
 		if (tex3d.is_null()) {
+			f->close();
 			memdelete(f);
 			ERR_FAIL_COND_V(tex3d.is_null(), RES())
 		}
 	} else if (header[0] == 'G' && header[1] == 'D' && header[2] == 'A' && header[3] == 'T') {
 		if (texarr.is_null()) {
+			f->close();
 			memdelete(f);
 			ERR_FAIL_COND_V(texarr.is_null(), RES())
 		}
 	} else {
 
+		f->close();
+		memdelete(f);
 		ERR_FAIL_V_MSG(RES(), "Unrecognized layered texture file format '" + String((const char *)header) + "'.");
 	}
 
@@ -2418,6 +2422,7 @@ RES ResourceFormatLoaderTextureLayered::load(const String &p_path, const String
 					if (r_error) {
 						*r_error = ERR_FILE_CORRUPT;
 					}
+					f->close();
 					memdelete(f);
 					ERR_FAIL_V(RES());
 				}
@@ -2453,6 +2458,7 @@ RES ResourceFormatLoaderTextureLayered::load(const String &p_path, const String
 					if (r_error) {
 						*r_error = ERR_FILE_CORRUPT;
 					}
+					f->close();
 					memdelete(f);
 					ERR_FAIL_V(RES());
 				}
@@ -2473,8 +2479,9 @@ RES ResourceFormatLoaderTextureLayered::load(const String &p_path, const String
 				if (bytes != total_size) {
 					if (r_error) {
 						*r_error = ERR_FILE_CORRUPT;
-						memdelete(f);
 					}
+					f->close();
+					memdelete(f);
 					ERR_FAIL_V(RES());
 				}
 			}

servers/audio/effects/audio_effect_record.cpp

@@ -297,4 +297,5 @@ void AudioEffectRecord::_bind_methods() {
 
 AudioEffectRecord::AudioEffectRecord() {
 	format = AudioStreamSample::FORMAT_16_BITS;
+	recording_active = false;
 }