Fuzz introspector: JsonCanonicalizerFuzzer
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
147 0 EP call site: 00000 [dev.sigstore.json.canonicalizer.JsonDecoder].parseArray()

Fuzzer calltree

0 [fuzzing.JsonCanonicalizerFuzzer].fuzzerTestOneInput(com.code_intelligence.jazzer.api.FuzzedDataProvider) [function] [call site] 00000
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeDouble() [function] [call site] 00001
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeRemainingAsBytes() [function] [call site] 00002
1 [dev.sigstore.json.canonicalizer.NumberToJSON].serializeNumber(double) [function] [call site] 00003
2 [java.io.IOException].<init>(String) [function] [call site] 00004
2 [java.math.BigInteger].valueOf(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00005
2 [dev.sigstore.json.canonicalizer.NumberToJSON].shiftLeft(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00006
2 [dev.sigstore.json.canonicalizer.NumberToJSON].toString() [function] [call site] 00007
2 [java.math.BigInteger].valueOf(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00008
2 [dev.sigstore.json.canonicalizer.NumberToJSON].shiftLeft(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00009
2 [dev.sigstore.json.canonicalizer.NumberToJSON].toString() [function] [call site] 00010
2 [java.math.BigInteger].valueOf(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00011
2 [dev.sigstore.json.canonicalizer.NumberToJSON].shiftLeft(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00012
2 [dev.sigstore.json.canonicalizer.NumberToJSON].toString() [function] [call site] 00013
2 [java.math.BigInteger].valueOf(int) [function] [call site] 00014
2 [dev.sigstore.json.canonicalizer.NumberToJSON].pow() [function] [call site] 00015
2 [java.math.BigInteger].valueOf(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00016
2 [dev.sigstore.json.canonicalizer.NumberToJSON].multiply(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00017
2 [dev.sigstore.json.canonicalizer.NumberToJSON].toString() [function] [call site] 00018
2 [java.math.BigInteger].valueOf(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00019
2 [dev.sigstore.json.canonicalizer.NumberToJSON].multiply(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00020
2 [dev.sigstore.json.canonicalizer.NumberToJSON].toString() [function] [call site] 00021
2 [java.math.BigInteger].valueOf(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00022
2 [dev.sigstore.json.canonicalizer.NumberToJSON].multiply(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00023
2 [dev.sigstore.json.canonicalizer.NumberToJSON].toString() [function] [call site] 00024
2 [dev.sigstore.json.canonicalizer.NumberToJSON].length() [function] [call site] 00025
2 [dev.sigstore.json.canonicalizer.NumberToJSON].pow5bits(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00026
2 [dev.sigstore.json.canonicalizer.NumberToJSON].mulPow5InvDivPow2(dev.sigstore.json.canonicalizer.NumberToJSON,dev.sigstore.json.canonicalizer.NumberToJSON,dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00027
2 [dev.sigstore.json.canonicalizer.NumberToJSON].mulPow5InvDivPow2(dev.sigstore.json.canonicalizer.NumberToJSON,dev.sigstore.json.canonicalizer.NumberToJSON,dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00028
2 [dev.sigstore.json.canonicalizer.NumberToJSON].mulPow5InvDivPow2(dev.sigstore.json.canonicalizer.NumberToJSON,dev.sigstore.json.canonicalizer.NumberToJSON,dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00029
2 [java.math.BigInteger].valueOf(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00030
2 [sigstore-java/src/main/java/dev/sigstore/json/canonicalizer/NumberToJSON.java].POW5_INV[q].multiply(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00031
2 [dev.sigstore.json.canonicalizer.NumberToJSON].shiftRight(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00032
2 [dev.sigstore.json.canonicalizer.NumberToJSON].longValueExact() [function] [call site] 00033
2 [sigstore-java/src/main/java/dev/sigstore/json/canonicalizer/NumberToJSON.java].POW5_INV[q].bitCount() [function] [call site] 00034
2 [IllegalStateException].<init>() [function] [call site] 00035
2 [dev.sigstore.json.canonicalizer.NumberToJSON].multipleOfPowerOf5(dev.sigstore.json.canonicalizer.NumberToJSON,dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00036
2 [dev.sigstore.json.canonicalizer.NumberToJSON].multipleOfPowerOf5(dev.sigstore.json.canonicalizer.NumberToJSON,dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00037
2 [dev.sigstore.json.canonicalizer.NumberToJSON].multipleOfPowerOf5(dev.sigstore.json.canonicalizer.NumberToJSON,dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00038
2 [dev.sigstore.json.canonicalizer.NumberToJSON].pow5bits(dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00039
2 [dev.sigstore.json.canonicalizer.NumberToJSON].mulPow5divPow2(dev.sigstore.json.canonicalizer.NumberToJSON,dev.sigstore.json.canonicalizer.NumberToJSON,dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00040
2 [dev.sigstore.json.canonicalizer.NumberToJSON].mulPow5divPow2(dev.sigstore.json.canonicalizer.NumberToJSON,dev.sigstore.json.canonicalizer.NumberToJSON,dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00041
2 [dev.sigstore.json.canonicalizer.NumberToJSON].mulPow5divPow2(dev.sigstore.json.canonicalizer.NumberToJSON,dev.sigstore.json.canonicalizer.NumberToJSON,dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00042
2 [dev.sigstore.json.canonicalizer.NumberToJSON].decimalLength(long) [function] [call site] 00043
2 [String].<init>(dev.sigstore.json.canonicalizer.NumberToJSON,int,dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00044
2 [String].<init>(dev.sigstore.json.canonicalizer.NumberToJSON,int,dev.sigstore.json.canonicalizer.NumberToJSON) [function] [call site] 00045
1 [dev.sigstore.json.canonicalizer.JsonCanonicalizer].<init>(byte[]) [function] [call site] 00046
2 [String].<init>(byte[],dev.sigstore.json.canonicalizer.JsonCanonicalizer) [function] [call site] 00047
2 [dev.sigstore.json.canonicalizer.JsonCanonicalizer].<init>(String) [function] [call site] 00048
3 [StringBuilder].<init>() [function] [call site] 00049
3 [dev.sigstore.json.canonicalizer.JsonDecoder].<init>(String) [function] [call site] 00050
4 [java.util.regex.Pattern].compile(String) [function] [call site] 00051
4 [java.util.regex.Pattern].compile(String) [function] [call site] 00052
4 [String].length() [function] [call site] 00053
4 [dev.sigstore.json.canonicalizer.JsonDecoder].testNextNonWhiteSpaceChar() [function] [call site] 00054
5 [dev.sigstore.json.canonicalizer.JsonDecoder].scan() [function] [call site] 00055
6 [dev.sigstore.json.canonicalizer.JsonDecoder].nextChar() [function] [call site] 00056
7 [String].charAt() [function] [call site] 00057
7 [java.io.IOException].<init>(String) [function] [call site] 00058
6 [dev.sigstore.json.canonicalizer.JsonDecoder].isWhiteSpace(char) [function] [call site] 00059
4 [dev.sigstore.json.canonicalizer.JsonDecoder].scan() [function] [call site] 00060
4 [dev.sigstore.json.canonicalizer.JsonDecoder].parseArray() [function] [call site] 00061
5 [java.util.Vector].<init>() [function] [call site] 00062
5 [dev.sigstore.json.canonicalizer.JsonDecoder].testNextNonWhiteSpaceChar() [function] [call site] 00063
5 [dev.sigstore.json.canonicalizer.JsonDecoder].scanFor(char) [function] [call site] 00064
6 [dev.sigstore.json.canonicalizer.JsonDecoder].scan() [function] [call site] 00065
6 [java.io.IOException].<init>(String) [function] [call site] 00066
5 [dev.sigstore.json.canonicalizer.JsonDecoder].parseElement() [function] [call site] 00067
6 [dev.sigstore.json.canonicalizer.JsonDecoder].scan() [function] [call site] 00068
6 [dev.sigstore.json.canonicalizer.JsonDecoder].parseObject() [function] [call site] 00069
7 [java.util.TreeMap].<init>() [function] [call site] 00070
7 [dev.sigstore.json.canonicalizer.JsonDecoder].testNextNonWhiteSpaceChar() [function] [call site] 00071
7 [dev.sigstore.json.canonicalizer.JsonDecoder].scanFor(char) [function] [call site] 00072
7 [dev.sigstore.json.canonicalizer.JsonDecoder].scanFor(char) [function] [call site] 00073
7 [dev.sigstore.json.canonicalizer.JsonDecoder].parseQuotedString() [function] [call site] 00074
8 [StringBuilder].<init>() [function] [call site] 00075
8 [dev.sigstore.json.canonicalizer.JsonDecoder].nextChar() [function] [call site] 00076
8 [java.io.IOException].<init>() [function] [call site] 00077
8 [dev.sigstore.json.canonicalizer.JsonDecoder].nextChar() [function] [call site] 00078
8 [dev.sigstore.json.canonicalizer.JsonDecoder].getHexChar() [function] [call site] 00079
9 [dev.sigstore.json.canonicalizer.JsonDecoder].nextChar() [function] [call site] 00080
9 [java.io.IOException].<init>(String) [function] [call site] 00081
8 [java.io.IOException].<init>(String) [function] [call site] 00082
8 [StringBuilder].append(dev.sigstore.json.canonicalizer.JsonDecoder) [function] [call site] 00083
8 [StringBuilder].toString() [function] [call site] 00084
7 [dev.sigstore.json.canonicalizer.JsonDecoder].scanFor(char) [function] [call site] 00085
7 [dev.sigstore.json.canonicalizer.JsonDecoder].parseElement() [function] [call site] 00086
7 [java.util.TreeMap].put(String,Object) [function] [call site] 00087
7 [java.io.IOException].<init>(String) [function] [call site] 00088
7 [dev.sigstore.json.canonicalizer.JsonDecoder].scan() [function] [call site] 00089
6 [dev.sigstore.json.canonicalizer.JsonDecoder].parseQuotedString() [function] [call site] 00090
6 [dev.sigstore.json.canonicalizer.JsonDecoder].parseArray() [function] [call site] 00091
6 [dev.sigstore.json.canonicalizer.JsonDecoder].parseSimpleType() [function] [call site] 00092
7 [StringBuilder].<init>() [function] [call site] 00093
7 [dev.sigstore.json.canonicalizer.JsonDecoder].testNextNonWhiteSpaceChar() [function] [call site] 00094
7 [dev.sigstore.json.canonicalizer.JsonDecoder].isWhiteSpace() [function] [call site] 00095
7 [StringBuilder].append(char) [function] [call site] 00096
7 [StringBuilder].toString() [function] [call site] 00097
7 [dev.sigstore.json.canonicalizer.JsonDecoder].length() [function] [call site] 00098
7 [java.io.IOException].<init>(String) [function] [call site] 00099
7 [java.util.regex.Pattern].matcher(dev.sigstore.json.canonicalizer.JsonDecoder) [function] [call site] 00100
7 [dev.sigstore.json.canonicalizer.JsonDecoder].matches() [function] [call site] 00101
7 [java.util.regex.Pattern].matcher(dev.sigstore.json.canonicalizer.JsonDecoder) [function] [call site] 00102
7 [dev.sigstore.json.canonicalizer.JsonDecoder].matches() [function] [call site] 00103
7 [dev.sigstore.json.canonicalizer.JsonDecoder].equals(String) [function] [call site] 00104
7 [java.io.IOException].<init>(String) [function] [call site] 00105
5 [java.util.Vector].add(Object) [function] [call site] 00106
5 [dev.sigstore.json.canonicalizer.JsonDecoder].scan() [function] [call site] 00107
4 [dev.sigstore.json.canonicalizer.JsonDecoder].scanFor(char) [function] [call site] 00108
4 [dev.sigstore.json.canonicalizer.JsonDecoder].parseObject() [function] [call site] 00109
4 [String].charAt() [function] [call site] 00110
4 [dev.sigstore.json.canonicalizer.JsonDecoder].isWhiteSpace(dev.sigstore.json.canonicalizer.JsonDecoder) [function] [call site] 00111
4 [java.io.IOException].<init>(String) [function] [call site] 00112
3 [dev.sigstore.json.canonicalizer.JsonCanonicalizer].serialize(Object) [function] [call site] 00113
4 [StringBuilder].append(char) [function] [call site] 00114
4 [java.util.TreeMap<String,Object>].entrySet() [function] [call site] 00115
4 [StringBuilder].append(char) [function] [call site] 00116
4 [dev.sigstore.json.canonicalizer.JsonCanonicalizer].serializeString(dev.sigstore.json.canonicalizer.JsonCanonicalizer) [function] [call site] 00117
4 [StringBuilder].append(char) [function] [call site] 00118
4 [dev.sigstore.json.canonicalizer.JsonCanonicalizer].serialize(dev.sigstore.json.canonicalizer.JsonCanonicalizer) [function] [call site] 00119
4 [StringBuilder].append(char) [function] [call site] 00120
4 [StringBuilder].append(char) [function] [call site] 00121
4 [java.util.Vector<Object>].toArray() [function] [call site] 00122
4 [StringBuilder].append(char) [function] [call site] 00123
4 [dev.sigstore.json.canonicalizer.JsonCanonicalizer].serialize(dev.sigstore.json.canonicalizer.JsonCanonicalizer) [function] [call site] 00124
4 [StringBuilder].append(char) [function] [call site] 00125
4 [StringBuilder].append(String) [function] [call site] 00126
4 [dev.sigstore.json.canonicalizer.JsonCanonicalizer].serializeString(String) [function] [call site] 00127
5 [StringBuilder].append(char) [function] [call site] 00128
5 [String].toCharArray() [function] [call site] 00129
5 [StringBuilder].append(dev.sigstore.json.canonicalizer.JsonCanonicalizer) [function] [call site] 00130
5 [dev.sigstore.json.canonicalizer.JsonCanonicalizer].escape(char) [function] [call site] 00131
6 [StringBuilder].append(char) [function] [call site] 00132
6 [dev.sigstore.json.canonicalizer.JsonCanonicalizer].append(char) [function] [call site] 00133
5 [dev.sigstore.json.canonicalizer.JsonCanonicalizer].escape(char) [function] [call site] 00134
5 [dev.sigstore.json.canonicalizer.JsonCanonicalizer].escape(char) [function] [call site] 00135
5 [dev.sigstore.json.canonicalizer.JsonCanonicalizer].escape(char) [function] [call site] 00136
5 [dev.sigstore.json.canonicalizer.JsonCanonicalizer].escape(dev.sigstore.json.canonicalizer.JsonCanonicalizer) [function] [call site] 00137
5 [dev.sigstore.json.canonicalizer.JsonCanonicalizer].escape(char) [function] [call site] 00138
5 [StringBuilder].append(char) [function] [call site] 00139
5 [StringBuilder].append(dev.sigstore.json.canonicalizer.JsonCanonicalizer) [function] [call site] 00140
5 [StringBuilder].append(char) [function] [call site] 00141
4 [StringBuilder].append(boolean) [function] [call site] 00142
4 [dev.sigstore.json.canonicalizer.NumberToJSON].serializeNumber(Double) [function] [call site] 00143
4 [StringBuilder].append(String) [function] [call site] 00144
4 [InternalError].<init>(String) [function] [call site] 00145
1 [String].<init>(byte[],fuzzing.JsonCanonicalizerFuzzer) [function] [call site] 00146
1 [dev.sigstore.json.canonicalizer.JsonCanonicalizer].<init>(String) [function] [call site] 00147