Fuzz introspector: FlattenFuzzer
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
136 0 EP call site: 00000 [com.github.wnameless.json.flattener.JsonFlattener].flatten()

Fuzzer calltree

0 [com.example.FlattenFuzzer].myFuzzTest(com.code_intelligence.jazzer.api.FuzzedDataProvider) [function] [call site] 00000
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].pickValue(PrintMode[]) [function] [call site] 00001
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].pickValue(FlattenMode[]) [function] [call site] 00002
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].pickValue(StringEscapePolicy[]) [function] [call site] 00003
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].pickValue(JsonCore[]) [function] [call site] 00004
1 [com.example.FlattenFuzzer].jsonFlattenerFactory(,,,) [function] [call site] 00005
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeRemainingAsString() [function] [call site] 00006
1 [com.github.wnameless.json.flattener.JsonFlattenerFactory].build(String) [function] [call site] 00007
2 [java.util.Optional<com.github.wnameless.json.base.JsonCore<?>>].isPresent() [function] [call site] 00008
2 [java.util.Optional<com.github.wnameless.json.base.JsonCore<?>>].get() [function] [call site] 00009
2 [com.github.wnameless.json.flattener.JsonFlattener].<init>(com.github.wnameless.json.flattener.JsonFlattenerFactory,String) [function] [call site] 00010
2 [com.github.wnameless.json.flattener.JsonFlattener].<init>(String) [function] [call site] 00011
3 [com.github.wnameless.json.base.JacksonJsonCore].<init>() [function] [call site] 00012
3 [java.util.ArrayDeque].<init>() [function] [call site] 00013
3 [com.github.wnameless.json.base.JsonCore<?>].parse(String) [function] [call site] 00014
2 [java.util.function.Consumer<com.github.wnameless.json.flattener.JsonFlattener>].accept(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00015
1 [com.github.wnameless.json.flattener.JsonFlattener].flatten() [function] [call site] 00016
2 [com.github.wnameless.json.flattener.JsonFlattener].flattenAsMap() [function] [call site] 00017
3 [com.github.wnameless.json.flattener.JsonFlattener].newJsonifyLinkedHashMap() [function] [call site] 00018
4 [com.github.wnameless.json.flattener.JsonifyLinkedHashMap].<init>() [function] [call site] 00019
4 [com.github.wnameless.json.flattener.CharSequenceTranslatorFactory].getCharSequenceTranslator() [function] [call site] 00020
4 [com.github.wnameless.json.flattener.JsonifyLinkedHashMap].setTranslator(org.apache.commons.text.translate.CharSequenceTranslator) [function] [call site] 00021
3 [com.github.wnameless.json.flattener.JsonFlattener].reduce(com.github.wnameless.json.base.JsonValueBase<?>) [function] [call site] 00022
4 [com.github.wnameless.json.base.JsonValueBase<?>].isObject() [function] [call site] 00023
4 [com.github.wnameless.json.base.JsonValueBase<?>].asObject() [function] [call site] 00024
4 [com.github.wnameless.json.flattener.JsonFlattener].iterator() [function] [call site] 00025
4 [com.github.wnameless.json.flattener.JsonFlattener].hasNext() [function] [call site] 00026
4 [com.github.wnameless.json.base.JsonValueBase<?>].asObject() [function] [call site] 00027
4 [com.github.wnameless.json.flattener.JsonFlattener].newIndexedPeekIterator(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00028
4 [java.util.Deque<com.github.wnameless.json.flattener.IndexedPeekIterator<?>>].add(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00029
4 [com.github.wnameless.json.base.JsonValueBase<?>].isArray() [function] [call site] 00030
4 [com.github.wnameless.json.base.JsonValueBase<?>].asArray() [function] [call site] 00031
4 [com.github.wnameless.json.flattener.JsonFlattener].iterator() [function] [call site] 00032
4 [com.github.wnameless.json.flattener.JsonFlattener].hasNext() [function] [call site] 00033
4 [com.github.wnameless.json.base.JsonValueBase<?>].asArray() [function] [call site] 00034
4 [com.github.wnameless.json.flattener.JsonFlattener].newJsonifyArrayList() [function] [call site] 00035
5 [com.github.wnameless.json.flattener.JsonifyArrayList].<init>() [function] [call site] 00036
5 [com.github.wnameless.json.flattener.CharSequenceTranslatorFactory].getCharSequenceTranslator() [function] [call site] 00037
5 [com.github.wnameless.json.flattener.JsonifyArrayList].setTranslator(org.apache.commons.text.translate.CharSequenceTranslator) [function] [call site] 00038
4 [com.github.wnameless.json.base.JsonValueBase<?>].asArray() [function] [call site] 00039
4 [com.github.wnameless.json.flattener.JsonFlattener].jsonVal2Obj(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00040
4 [com.github.wnameless.json.flattener.JsonifyArrayList<T>].add(Object) [function] [call site] 00041
4 [com.github.wnameless.json.flattener.JsonFlattener].computeKey() [function] [call site] 00042
5 [java.util.Deque<com.github.wnameless.json.flattener.IndexedPeekIterator<?>>].isEmpty() [function] [call site] 00043
5 [StringBuilder].<init>() [function] [call site] 00044
5 [java.util.Map.Entry<String,?extendsJsonValueBase<?>>].getKey() [function] [call site] 00045
5 [com.github.wnameless.json.flattener.KeyTransformer].transform(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00046
5 [String].isEmpty() [function] [call site] 00047
5 [FlattenMode].equals(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00048
5 [com.github.wnameless.json.flattener.JsonFlattener].hasReservedCharacters(String) [function] [call site] 00049
6 [FlattenMode].equals(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00050
6 [org.apache.commons.lang3.StringUtils].containsAny(String,Character) [function] [call site] 00051
6 [IllegalArgumentException].<init>(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00052
6 [org.apache.commons.lang3.StringUtils].containsAny(String,Character,Character,Character) [function] [call site] 00053
5 [StringBuilder].append(Character) [function] [call site] 00054
5 [StringBuilder].append(char) [function] [call site] 00055
5 [StringBuilder].append(String) [function] [call site] 00056
5 [StringBuilder].append(char) [function] [call site] 00057
5 [StringBuilder].append(Character) [function] [call site] 00058
5 [StringBuilder].length() [function] [call site] 00059
5 [StringBuilder].append(Character) [function] [call site] 00060
5 [StringBuilder].append(String) [function] [call site] 00061
5 [StringBuilder].append() [function] [call site] 00062
5 [StringBuilder].append(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00063
5 [StringBuilder].append() [function] [call site] 00064
5 [StringBuilder].toString() [function] [call site] 00065
4 [com.github.wnameless.json.flattener.JsonifyLinkedHashMap<String,Object>].put(String,com.github.wnameless.json.flattener.JsonifyArrayList<T>) [function] [call site] 00066
4 [com.github.wnameless.json.base.JsonValueBase<?>].asArray() [function] [call site] 00067
4 [com.github.wnameless.json.flattener.JsonFlattener].newIndexedPeekIterator(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00068
4 [java.util.Deque<com.github.wnameless.json.flattener.IndexedPeekIterator<?>>].add(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00069
4 [com.github.wnameless.json.flattener.JsonFlattener].newJsonifyArrayList() [function] [call site] 00070
4 [com.github.wnameless.json.base.JsonValueBase<?>].asArray() [function] [call site] 00071
4 [com.github.wnameless.json.flattener.JsonFlattener].jsonVal2Obj(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00072
4 [com.github.wnameless.json.flattener.JsonifyArrayList<T>].add(Object) [function] [call site] 00073
4 [com.github.wnameless.json.flattener.JsonFlattener].computeKey() [function] [call site] 00074
4 [com.github.wnameless.json.flattener.JsonifyLinkedHashMap<String,Object>].put(String,com.github.wnameless.json.flattener.JsonifyArrayList<T>) [function] [call site] 00075
4 [com.github.wnameless.json.base.JsonValueBase<?>].asArray() [function] [call site] 00076
4 [com.github.wnameless.json.flattener.JsonFlattener].newIndexedPeekIterator(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00077
4 [java.util.Deque<com.github.wnameless.json.flattener.IndexedPeekIterator<?>>].add(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00078
4 [com.github.wnameless.json.flattener.JsonFlattener].computeKey() [function] [call site] 00079
4 [com.github.wnameless.json.flattener.JsonFlattener].jsonVal2Obj(com.github.wnameless.json.base.JsonValueBase<?>) [function] [call site] 00080
5 [com.github.wnameless.json.base.JsonValueBase<?>].isBoolean() [function] [call site] 00081
5 [com.github.wnameless.json.base.JsonValueBase<?>].asBoolean() [function] [call site] 00082
5 [com.github.wnameless.json.base.JsonValueBase<?>].isString() [function] [call site] 00083
5 [com.github.wnameless.json.base.JsonValueBase<?>].asString() [function] [call site] 00084
5 [com.github.wnameless.json.base.JsonValueBase<?>].isNumber() [function] [call site] 00085
5 [com.github.wnameless.json.base.JsonValueBase<?>].asNumber() [function] [call site] 00086
5 [com.github.wnameless.json.base.JsonValueBase<?>].isArray() [function] [call site] 00087
5 [com.github.wnameless.json.flattener.JsonFlattener].newJsonifyArrayList() [function] [call site] 00088
5 [com.github.wnameless.json.base.JsonValueBase<?>].asArray() [function] [call site] 00089
5 [com.github.wnameless.json.flattener.JsonFlattener].jsonVal2Obj(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00090
5 [com.github.wnameless.json.flattener.JsonifyArrayList<T>].add(Object) [function] [call site] 00091
5 [com.github.wnameless.json.base.JsonValueBase<?>].isObject() [function] [call site] 00092
5 [com.github.wnameless.json.base.JsonValueBase<?>].asObject() [function] [call site] 00093
5 [com.github.wnameless.json.flattener.JsonFlattener].iterator() [function] [call site] 00094
5 [com.github.wnameless.json.flattener.JsonFlattener].hasNext() [function] [call site] 00095
5 [com.github.wnameless.json.flattener.JsonFlattener].newJsonFlattener(com.github.wnameless.json.base.JsonValueBase<?>) [function] [call site] 00096
6 [com.github.wnameless.json.flattener.JsonFlattener].<init>(com.github.wnameless.json.base.JsonValueBase<?>) [function] [call site] 00097
7 [com.github.wnameless.json.base.JacksonJsonCore].<init>() [function] [call site] 00098
7 [java.util.ArrayDeque].<init>() [function] [call site] 00099
7 [NullPointerException].<init>() [function] [call site] 00100
6 [com.github.wnameless.json.flattener.JsonFlattener].withFlattenMode(FlattenMode) [function] [call site] 00101
7 [NullPointerException].<init>() [function] [call site] 00102
6 [com.github.wnameless.json.flattener.JsonFlattener].withStringEscapePolicy(com.github.wnameless.json.flattener.CharSequenceTranslatorFactory) [function] [call site] 00103
7 [NullPointerException].<init>() [function] [call site] 00104
6 [com.github.wnameless.json.flattener.JsonFlattener].withSeparator(Character) [function] [call site] 00105
6 [com.github.wnameless.json.flattener.JsonFlattener].withLeftAndRightBrackets(Character,Character) [function] [call site] 00106
6 [com.github.wnameless.json.flattener.JsonFlattener].withPrintMode(PrintMode) [function] [call site] 00107
7 [NullPointerException].<init>() [function] [call site] 00108
6 [com.github.wnameless.json.flattener.JsonFlattener].withKeyTransformer(com.github.wnameless.json.flattener.KeyTransformer) [function] [call site] 00109
6 [com.github.wnameless.json.flattener.JsonFlattener].ignoreReservedCharacters() [function] [call site] 00110
5 [com.github.wnameless.json.flattener.JsonFlattener].flattenAsMap() [function] [call site] 00111
5 [com.github.wnameless.json.flattener.JsonFlattener].newJsonifyLinkedHashMap() [function] [call site] 00112
5 [com.github.wnameless.json.base.JsonValueBase<?>].isArray() [function] [call site] 00113
5 [com.github.wnameless.json.flattener.JsonFlattener].newJsonifyArrayList() [function] [call site] 00114
5 [com.github.wnameless.json.base.JsonValueBase<?>].isObject() [function] [call site] 00115
5 [com.github.wnameless.json.flattener.JsonFlattener].newJsonifyLinkedHashMap() [function] [call site] 00116
4 [String].equals(String) [function] [call site] 00117
4 [java.util.Collections.EMPTY_MAP].equals(Object) [function] [call site] 00118
4 [com.github.wnameless.json.flattener.JsonifyLinkedHashMap<String,Object>].put(String,Object) [function] [call site] 00119
3 [java.util.Deque<com.github.wnameless.json.flattener.IndexedPeekIterator<?>>].isEmpty() [function] [call site] 00120
3 [java.util.Deque<com.github.wnameless.json.flattener.IndexedPeekIterator<?>>].getLast() [function] [call site] 00121
3 [com.github.wnameless.json.flattener.JsonFlattener].hasNext() [function] [call site] 00122
3 [java.util.Deque<com.github.wnameless.json.flattener.IndexedPeekIterator<?>>].removeLast() [function] [call site] 00123
3 [com.github.wnameless.json.flattener.JsonFlattener].peek() [function] [call site] 00124
3 [com.github.wnameless.json.flattener.JsonFlattener].next() [function] [call site] 00125
3 [com.github.wnameless.json.flattener.JsonFlattener].reduce(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00126
3 [com.github.wnameless.json.flattener.JsonFlattener].next() [function] [call site] 00127
3 [com.github.wnameless.json.flattener.JsonFlattener].reduce(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00128
2 [com.github.wnameless.json.base.JsonValueBase<?>].isObject() [function] [call site] 00129
2 [com.github.wnameless.json.flattener.JsonFlattener].isObjectifiableArray() [function] [call site] 00130
3 [com.github.wnameless.json.base.JsonValueBase<?>].isArray() [function] [call site] 00131
3 [com.github.wnameless.json.flattener.JsonifyLinkedHashMap<String,Object>].containsKey(String) [function] [call site] 00132
2 [com.github.wnameless.json.flattener.JsonifyLinkedHashMap<String,Object>].toString(PrintMode) [function] [call site] 00133
2 [com.github.wnameless.json.flattener.JsonifyLinkedHashMap<String,Object>].get(String) [function] [call site] 00134
2 [com.github.wnameless.json.flattener.JsonFlattener].javaObj2Json(com.github.wnameless.json.flattener.JsonFlattener) [function] [call site] 00135
1 [com.github.wnameless.json.flattener.JsonFlattener].flattenAsMap() [function] [call site] 00136