Fix various sanitizer issues.

drivers/pulseaudio/audio_driver_pulseaudio.cpp

@@ -138,21 +138,20 @@ Error AudioDriverPulseAudio::detect_channels(bool input) {
 		}
 	}
 
-	char dev[1024];
 	if (device == "Default") {
-		strcpy(dev, input ? default_input_device.utf8().get_data() : default_output_device.utf8().get_data());
-	} else {
-		strcpy(dev, device.utf8().get_data());
+		device = input ? default_input_device : default_output_device;
 	}
-	print_verbose("PulseAudio: Detecting channels for device: " + String(dev));
+	print_verbose("PulseAudio: Detecting channels for device: " + device);
+
+	CharString device_utf8 = device.utf8();
 
 	// Now using the device name get the amount of channels
 	pa_status = 0;
 	pa_operation *pa_op;
 	if (input) {
-		pa_op = pa_context_get_source_info_by_name(pa_ctx, dev, &AudioDriverPulseAudio::pa_source_info_cb, (void *)this);
+		pa_op = pa_context_get_source_info_by_name(pa_ctx, device_utf8.get_data(), &AudioDriverPulseAudio::pa_source_info_cb, (void *)this);
 	} else {
-		pa_op = pa_context_get_sink_info_by_name(pa_ctx, dev, &AudioDriverPulseAudio::pa_sink_info_cb, (void *)this);
+		pa_op = pa_context_get_sink_info_by_name(pa_ctx, device_utf8.get_data(), &AudioDriverPulseAudio::pa_sink_info_cb, (void *)this);
 	}
 
 	if (pa_op) {

editor/plugins/tiles/tile_map_layer_editor.cpp

@@ -4078,7 +4078,7 @@ Vector<Vector2i> TileMapLayerEditor::get_line(const TileMapLayer *p_tile_map_lay
 					if (sign.x == 0) {
 						current += Vector2(sign.y, 0);
 					} else {
-						current += Vector2(bool(current.y % 2) ^ (sign.x < 0) ? sign.x : 0, sign.y);
+						current += Vector2(bool(current.y % 2) != (sign.x < 0) ? sign.x : 0, sign.y);
 					}
 					err -= err_step.x;
 				} else {
@@ -4095,7 +4095,7 @@ Vector<Vector2i> TileMapLayerEditor::get_line(const TileMapLayer *p_tile_map_lay
 					if (sign.x == 0) {
 						current += Vector2(0, sign.y);
 					} else {
-						current += Vector2(bool(current.y % 2) ^ (sign.x < 0) ? sign.x : 0, sign.y);
+						current += Vector2(bool(current.y % 2) != (sign.x < 0) ? sign.x : 0, sign.y);
 					}
 					err -= err_step.y;
 				} else {

modules/gdscript/gdscript_analyzer.cpp

@@ -5335,7 +5335,7 @@ Variant GDScriptAnalyzer::make_call_reduced_value(GDScriptParser::CallNode *p_ca
 
 		Vector<Variant> args;
 		args.resize(p_call->arguments.size());
-		const Variant **argptrs = (const Variant **)alloca(sizeof(const Variant **) * args.size());
+		const Variant **argptrs = (const Variant **)alloca(sizeof(const Variant *) * args.size());
 		for (int i = 0; i < p_call->arguments.size(); i++) {
 			bool is_arg_value_reduced = false;
 			Variant arg_value = make_expression_reduced_value(p_call->arguments[i], is_arg_value_reduced);

servers/rendering/rendering_device.cpp

@@ -7287,7 +7287,10 @@ void RenderingDevice::_set_max_fps(int p_max_fps) {
 
 RenderingDevice *RenderingDevice::create_local_device() {
 	RenderingDevice *rd = memnew(RenderingDevice);
-	rd->initialize(context);
+	if (rd->initialize(context) != OK) {
+		memdelete(rd);
+		return nullptr;
+	}
 	return rd;
 }