From 2fca962f0a38c5f8e3606f501bc28f9435e4b751 Mon Sep 17 00:00:00 2001
From: Fabian Meumertzheim <meumertzheim@code-intelligence.com>
Date: Mon, 18 Oct 2021 16:32:45 +0200
Subject: Fix NullPointerException when autofuzzing member functions

---
 agent/src/main/java/com/code_intelligence/jazzer/autofuzz/Meta.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'agent')

diff --git a/agent/src/main/java/com/code_intelligence/jazzer/autofuzz/Meta.java b/agent/src/main/java/com/code_intelligence/jazzer/autofuzz/Meta.java
index dfa6c4a3..54a4a4fe 100644
--- a/agent/src/main/java/com/code_intelligence/jazzer/autofuzz/Meta.java
+++ b/agent/src/main/java/com/code_intelligence/jazzer/autofuzz/Meta.java
@@ -41,7 +41,11 @@ public class Meta {
     if (Modifier.isStatic(method.getModifiers())) {
       return autofuzz(data, method, null);
     } else {
-      return autofuzz(data, method, consume(data, method.getDeclaringClass()));
+      Object thisObject = consume(data, method.getDeclaringClass());
+      if (thisObject == null) {
+        throw new AutofuzzConstructionException();
+      }
+      return autofuzz(data, method, thisObject);
     }
   }
 
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