From 937411e152f5e84c0f4a59d59e2a813ecda8dd06 Mon Sep 17 00:00:00 2001
From: jsjtxietian <jsjtxietian@outlook.com>
Date: Tue, 28 Nov 2023 12:54:06 +0800
Subject: [PATCH] Prevent a crash when calling AnimationMixer::restore when an
 invalid reference

---
 scene/animation/animation_mixer.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scene/animation/animation_mixer.cpp b/scene/animation/animation_mixer.cpp
index dbd790003a81..5783c8b85023 100644
--- a/scene/animation/animation_mixer.cpp
+++ b/scene/animation/animation_mixer.cpp
@@ -1980,6 +1980,7 @@ void AnimationMixer::reset() {
 }
 
 void AnimationMixer::restore(const Ref<AnimatedValuesBackup> &p_backup) {
+	ERR_FAIL_COND(p_backup.is_null());
 	track_cache = p_backup->get_data();
 	_blend_apply();
 	track_cache = HashMap<NodePath, AnimationMixer::TrackCache *>();