From df2e7208fbca1b609f20e994d5829a419d17a924 Mon Sep 17 00:00:00 2001
From: Kim Kulling <kimkulling@users.noreply.github.com>
Date: Mon, 26 Jul 2021 11:56:26 +0200
Subject: [PATCH] Fix fuzzer issue in m3d-importer

- closes https://github.com/assimp/assimp/issues/3974
- Check for nullptr before dereferencing name in m3d-data-instance.
---
 code/AssetLib/M3D/M3DWrapper.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/code/AssetLib/M3D/M3DWrapper.h b/code/AssetLib/M3D/M3DWrapper.h
index 54d7a2eec..d5fc9eaa5 100644
--- a/code/AssetLib/M3D/M3DWrapper.h
+++ b/code/AssetLib/M3D/M3DWrapper.h
@@ -83,7 +83,11 @@ public:
 
 	// Name
 	inline std::string Name() const {
-		if (m3d_) return std::string(m3d_->name);
+		if (nullptr != m3d_) {
+            if (nullptr!0m3d_->name) {
+                return std::string(m3d_->name);
+            }
+        }
 		return std::string();
 	}