Fuzz introspector: CryptFuzzer
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
27 14 [org.apache.commons.codec.digest.B64].getRandomSalt(int) call site: 00014 [org.apache.commons.codec.digest.UnixCrypt].crypt(byte[],String)
5 3 [CryptFuzzer].fuzzerTestOneInput(com.code_intelligence.jazzer.api.FuzzedDataProvider) call site: 00003 [org.apache.commons.codec.digest.Crypt].crypt(byte[],String)
3 9 [org.apache.commons.codec.digest.Sha2Crypt].sha512Crypt(byte[]) call site: 00009 [org.apache.commons.codec.digest.Sha2Crypt].sha512Crypt(byte[],String)

Fuzzer calltree

0 [CryptFuzzer].fuzzerTestOneInput(com.code_intelligence.jazzer.api.FuzzedDataProvider) [function] [call site] 00000
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeBoolean() [function] [call site] 00001
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeRemainingAsBytes() [function] [call site] 00002
1 [org.apache.commons.codec.digest.Crypt].crypt(byte[],null) [function] [call site] 00003
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].remainingBytes() [function] [call site] 00004
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeBytes(int) [function] [call site] 00005
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeRemainingAsString() [function] [call site] 00006
1 [org.apache.commons.codec.digest.Crypt].crypt(byte[],String) [function] [call site] 00007
2 [org.apache.commons.codec.digest.Sha2Crypt].sha512Crypt(byte[]) [function] [call site] 00008
3 [org.apache.commons.codec.digest.Sha2Crypt].sha512Crypt(byte[],null) [function] [call site] 00009
2 [String].startsWith(String) [function] [call site] 00010
2 [org.apache.commons.codec.digest.Sha2Crypt].sha512Crypt(byte[],String) [function] [call site] 00011
3 [org.apache.commons.codec.digest.B64].getRandomSalt(int) [function] [call site] 00012
4 [java.security.SecureRandom].<init>() [function] [call site] 00013
4 [org.apache.commons.codec.digest.B64].getRandomSalt(int,java.security.SecureRandom) [function] [call site] 00014
3 [org.apache.commons.codec.digest.Sha2Crypt].sha2Crypt(byte[],org.apache.commons.codec.digest.Sha2Crypt,String,int,String) [function] [call site] 00015
2 [String].startsWith(String) [function] [call site] 00016
2 [org.apache.commons.codec.digest.Sha2Crypt].sha256Crypt(byte[],String) [function] [call site] 00017
3 [org.apache.commons.codec.digest.B64].getRandomSalt(int) [function] [call site] 00018
3 [org.apache.commons.codec.digest.Sha2Crypt].sha2Crypt(byte[],org.apache.commons.codec.digest.Sha2Crypt,String,int,String) [function] [call site] 00019
2 [String].startsWith(String) [function] [call site] 00020
2 [org.apache.commons.codec.digest.Md5Crypt].md5Crypt(byte[],String) [function] [call site] 00021
3 [org.apache.commons.codec.digest.Md5Crypt].md5Crypt(byte[],String,String) [function] [call site] 00022
4 [java.security.SecureRandom].<init>() [function] [call site] 00023
4 [org.apache.commons.codec.digest.Md5Crypt].md5Crypt(byte[],String,String,java.security.SecureRandom) [function] [call site] 00024
2 [org.apache.commons.codec.digest.UnixCrypt].crypt(byte[],String) [function] [call site] 00025
3 [org.apache.commons.codec.digest.B64].getRandomSalt(int) [function] [call site] 00026
3 [java.util.regex.Pattern].matcher(String) [function] [call site] 00027
3 [org.apache.commons.codec.digest.UnixCrypt].matches() [function] [call site] 00028
3 [IllegalArgumentException].<init>(String) [function] [call site] 00029
3 [StringBuilder].<init>(String) [function] [call site] 00030
3 [String].charAt(int) [function] [call site] 00031
3 [String].charAt(int) [function] [call site] 00032
3 [StringBuilder].setCharAt(int,org.apache.commons.codec.digest.UnixCrypt) [function] [call site] 00033
3 [StringBuilder].setCharAt(int,org.apache.commons.codec.digest.UnixCrypt) [function] [call site] 00034
3 [java.util.Arrays].fill(org.apache.commons.codec.digest.UnixCrypt,byte) [function] [call site] 00035
3 [org.apache.commons.codec.digest.UnixCrypt].desSetKey(org.apache.commons.codec.digest.UnixCrypt) [function] [call site] 00036
3 [org.apache.commons.codec.digest.UnixCrypt].body(int[],org.apache.commons.codec.digest.UnixCrypt,org.apache.commons.codec.digest.UnixCrypt) [function] [call site] 00037
3 [org.apache.commons.codec.digest.UnixCrypt].intToFourBytes(org.apache.commons.codec.digest.UnixCrypt,int) [function] [call site] 00038
3 [org.apache.commons.codec.digest.UnixCrypt].intToFourBytes(org.apache.commons.codec.digest.UnixCrypt,int) [function] [call site] 00039
3 [StringBuilder].setCharAt(org.apache.commons.codec.digest.UnixCrypt,char) [function] [call site] 00040
3 [StringBuilder].toString() [function] [call site] 00041