Fuzz introspector: JsonTemplateLayoutCodecFuzzer
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
37 0 EP call site: 00000 [org.apache.logging.log4j.layout.template.json.fuzz.JsonTemplateLayoutCodecFuzzer].decodeThenEncode(com.code_intelligence.jazzer.api.FuzzedDataProvider)

Fuzzer calltree

0 [org.apache.logging.log4j.layout.template.json.fuzz.JsonTemplateLayoutCodecFuzzer].fuzzerTestOneInput(com.code_intelligence.jazzer.api.FuzzedDataProvider) [function] [call site] 00000
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeBoolean() [function] [call site] 00001
1 [org.apache.logging.log4j.layout.template.json.fuzz.JsonTemplateLayoutCodecFuzzer].encodeThenDecode(com.code_intelligence.jazzer.api.FuzzedDataProvider) [function] [call site] 00002
2 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeString(int) [function] [call site] 00003
2 [org.apache.logging.log4j.layout.template.json.fuzz.JsonTemplateLayoutCodecFuzzer].encodeJson(String) [function] [call site] 00004
2 [org.apache.logging.log4j.layout.template.json.util.JsonReader].read(String) [function] [call site] 00005
3 [java.util.Objects].requireNonNull(String,String) [function] [call site] 00006
3 [org.apache.logging.log4j.layout.template.json.util.JsonReader].<init>() [function] [call site] 00007
4 [StringBuilder].<init>() [function] [call site] 00008
3 [java.text.StringCharacterIterator].<init>(String) [function] [call site] 00009
3 [org.apache.logging.log4j.layout.template.json.util.JsonReader].read(java.text.StringCharacterIterator) [function] [call site] 00010
2 [org.apache.logging.log4j.layout.template.json.fuzz.JsonTemplateLayoutCodecFuzzer].assertThat(Object) [function] [call site] 00011
2 [org.apache.logging.log4j.layout.template.json.fuzz.JsonTemplateLayoutCodecFuzzer].isEqualTo(String) [function] [call site] 00012
1 [org.apache.logging.log4j.layout.template.json.fuzz.JsonTemplateLayoutCodecFuzzer].decodeThenEncode(com.code_intelligence.jazzer.api.FuzzedDataProvider) [function] [call site] 00013
2 [org.apache.logging.log4j.layout.template.json.fuzz.JsonTemplateLayoutCodecFuzzer].decodeJson(com.code_intelligence.jazzer.api.FuzzedDataProvider) [function] [call site] 00014
3 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeString(int) [function] [call site] 00015
3 [org.apache.logging.log4j.layout.template.json.util.JsonReader].read(String) [function] [call site] 00016
2 [org.apache.logging.log4j.layout.template.json.fuzz.JsonTemplateLayoutCodecFuzzer].encodeJson(Object) [function] [call site] 00017
3 [org.apache.logging.log4j.layout.template.json.util.JsonWriter].newBuilder() [function] [call site] 00018
4 [org.apache.logging.log4j.core.util.Builder].<init>() [function] [call site] 00019
3 [org.apache.logging.log4j.core.util.Builder].setMaxStringLength(int) [function] [call site] 00020
3 [org.apache.logging.log4j.layout.template.json.JsonTemplateLayoutDefaults].getTruncatedStringSuffix() [function] [call site] 00021
4 [org.apache.logging.log4j.util.PropertiesUtil].getStringProperty(String,String) [function] [call site] 00022
5 [org.apache.logging.log4j.util.PropertiesUtil].getStringProperty(String) [function] [call site] 00023
6 [org.apache.logging.log4j.util.PropertiesUtil.Environment].get(String) [function] [call site] 00024
7 [org.apache.logging.log4j.util.PropertiesUtil.Environment].tokenize(String) [function] [call site] 00025
7 [Set<PropertySource>].stream() [function] [call site] 00026
7 [org.apache.logging.log4j.util.PropertiesUtil.Environment].sorted(org.apache.logging.log4j.util.PropertiesUtil.Environment) [function] [call site] 00027
7 [org.apache.logging.log4j.util.PropertiesUtil.Environment].map() [function] [call site] 00028
7 [org.apache.logging.log4j.util.PropertiesUtil.Environment].filter() [function] [call site] 00029
7 [org.apache.logging.log4j.util.PropertiesUtil.Environment].findFirst() [function] [call site] 00030
7 [org.apache.logging.log4j.util.PropertiesUtil.Environment].orElse(null) [function] [call site] 00031
3 [org.apache.logging.log4j.layout.template.json.fuzz.JsonTemplateLayoutCodecFuzzer].setTruncatedStringSuffix(String) [function] [call site] 00032
3 [org.apache.logging.log4j.layout.template.json.fuzz.JsonTemplateLayoutCodecFuzzer].build() [function] [call site] 00033
3 [org.apache.logging.log4j.layout.template.json.fuzz.JsonTemplateLayoutCodecFuzzer].writeValue(Object) [function] [call site] 00034
3 [org.apache.logging.log4j.layout.template.json.fuzz.JsonTemplateLayoutCodecFuzzer].getStringBuilder() [function] [call site] 00035
3 [org.apache.logging.log4j.layout.template.json.fuzz.JsonTemplateLayoutCodecFuzzer].toString() [function] [call site] 00036
2 [org.apache.logging.log4j.layout.template.json.fuzz.JsonTemplateLayoutCodecFuzzer].assertValidJson(String) [function] [call site] 00037