From ee39b4603c39c9ea764a7565442b09aa8504ca50 Mon Sep 17 00:00:00 2001
From: AdamKorcz <44787359+AdamKorcz@users.noreply.github.com>
Date: Wed, 3 Aug 2022 12:02:49 +0100
Subject: [PATCH] jackson-databind: add writer fuzzer (#8137)

Signed-off-by: AdamKorcz <adam@adalogics.com>
---
 projects/jackson-databind/Dockerfile          |  2 +-
 .../jackson-databind/ObjectWriterFuzzer.java  | 47 +++++++++++++++++++
 2 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100644 projects/jackson-databind/ObjectWriterFuzzer.java

diff --git a/projects/jackson-databind/Dockerfile b/projects/jackson-databind/Dockerfile
index 57971cd09..08f4359ae 100644
--- a/projects/jackson-databind/Dockerfile
+++ b/projects/jackson-databind/Dockerfile
@@ -38,4 +38,4 @@ RUN git clone --depth 1 https://github.com/FasterXML/jackson-annotations
 RUN git clone --depth 1 https://github.com/FasterXML/jackson-core
 
 COPY build.sh $SRC/
-COPY ObjectReaderFuzzer.java $SRC/
\ No newline at end of file
+COPY ObjectReaderFuzzer.java ObjectWriterFuzzer.java $SRC/
\ No newline at end of file
diff --git a/projects/jackson-databind/ObjectWriterFuzzer.java b/projects/jackson-databind/ObjectWriterFuzzer.java
new file mode 100644
index 000000000..a021e660d
--- /dev/null
+++ b/projects/jackson-databind/ObjectWriterFuzzer.java
@@ -0,0 +1,47 @@
+import com.code_intelligence.jazzer.api.FuzzedDataProvider;
+
+import java.util.*;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.core.JsonProcessingException;
+
+public class ObjectWriterFuzzer {
+    public static void fuzzerTestOneInput(FuzzedDataProvider data) {
+        ObjectMapper mapper = new ObjectMapper();
+
+        try {
+            DummyClass dc = mapper.readValue(data.consumeRemainingAsString(), DummyClass.class);
+            byte[] jb = mapper.writeValueAsBytes(dc);
+        } catch (JsonProcessingException e) { }
+    }
+
+    public static class DummyClass {
+        public TreeMap<String, Integer> _treeMap;
+        public List<String> _arrayList;
+        public Set<String> _hashSet;
+        public Map<String, Object> _hashMap;
+        public List<Integer> _asList = Arrays.asList(1, 2, 3);
+        public int[] _intArray;
+        public long[] _longArray;
+        public short[] _shortArray;
+        public float[] _floatArray;
+        public double[] _doubleArray;
+        public byte[] _byteArray;
+        public char[] _charArray;
+        public String[] _stringArray;
+        public BitSet _bitSet;
+        public Date _date;
+        public TimeZone _timeZone;
+        public Calendar _calendar;
+        public Locale _locale;
+        public Integer[] _integerArray;
+        public boolean _boolean;
+        public char _char;
+        public byte _byte;
+        public short _short;
+        public int _int;
+        public float _float;
+        public Long _long;
+        public Double _double;
+    }
+}
\ No newline at end of file