Fuzz introspector: DataTreeFuzzer
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
96 124 [org.apache.zookeeper.server.watch.WatchManagerFactory].createWatchManager() call site: 00124 [org.apache.zookeeper.server.DataTree].deleteNode(String,long)
48 62 [org.apache.zookeeper.server.NodeHashMapImpl]. (org.apache.zookeeper.server.DigestCalculator) call site: 00062 [org.apache.zookeeper.server.NodeHashMapImpl].put(String,org.apache.zookeeper.server.DataNode)
11 0 EP call site: 00000
8 25 [org.apache.zookeeper.server.ReferenceCountedACLCache]. () call site: 00025
7 14 [org.apache.zookeeper.common.PathTrie]. () call site: 00014
7 52 [org.apache.zookeeper.server.DataTree]. (org.apache.zookeeper.server.DigestCalculator) call site: 00052
2 119 [org.apache.zookeeper.server.DataTree].approximateDataSize() call site: 00119 [org.apache.zookeeper.server.watch.WatchManagerFactory].createWatchManager()
1 35 [org.apache.zookeeper.server.DataTree]. () call site: 00035
1 116 [org.apache.zookeeper.server.DataTree].addConfigNode() call site: 00116 [org.apache.zookeeper.server.DataTree].approximateDataSize()

Fuzzer calltree

0 [DataTreeFuzzer].fuzzerTestOneInput(com.code_intelligence.jazzer.api.FuzzedDataProvider) [function] [call site] 00000
1 [org.apache.zookeeper.server.DataTree].<init>() [function] [call site] 00001
2 [org.slf4j.LoggerFactory].getLogger() [function] [call site] 00002
2 [org.apache.zookeeper.server.RateLogger].<init>(org.apache.zookeeper.server.DataTree,int) [function] [call site] 00003
2 [java.util.concurrent.atomic.AtomicLong].<init>(int) [function] [call site] 00004
2 [String].substring(int) [function] [call site] 00005
2 [String].length() [function] [call site] 00006
2 [String].substring(int) [function] [call site] 00007
2 [String].length() [function] [call site] 00008
2 [String].substring(int) [function] [call site] 00009
2 [org.apache.zookeeper.common.PathTrie].<init>() [function] [call site] 00010
3 [org.slf4j.LoggerFactory].getLogger() [function] [call site] 00011
3 [java.util.concurrent.locks.ReentrantReadWriteLock].<init>(boolean) [function] [call site] 00012
3 [java.util.concurrent.locks.ReentrantReadWriteLock].readLock() [function] [call site] 00013
3 [java.util.concurrent.locks.ReentrantReadWriteLock].writeLock() [function] [call site] 00014
3 [org.apache.zookeeper.common.PathTrie.TrieNode].<init>(null,String) [function] [call site] 00015
2 [java.util.concurrent.ConcurrentHashMap].<init>() [function] [call site] 00016
2 [java.util.concurrent.ConcurrentHashMap].<init>() [function] [call site] 00017
2 [java.util.Collections].newSetFromMap(java.util.concurrent.ConcurrentHashMap) [function] [call site] 00018
2 [java.util.concurrent.ConcurrentHashMap].<init>() [function] [call site] 00019
2 [java.util.Collections].newSetFromMap(java.util.concurrent.ConcurrentHashMap) [function] [call site] 00020
2 [org.apache.zookeeper.server.ReferenceCountedACLCache].<init>() [function] [call site] 00021
3 [org.slf4j.LoggerFactory].getLogger() [function] [call site] 00022
3 [java.util.HashMap].<init>() [function] [call site] 00023
3 [java.util.HashMap].<init>() [function] [call site] 00024
3 [java.util.HashMap].<init>() [function] [call site] 00025
2 [java.util.ArrayList].<init>() [function] [call site] 00026
2 [java.util.LinkedList].<init>() [function] [call site] 00027
2 [org.apache.zookeeper.data.StatPersisted].<init>() [function] [call site] 00028
2 [org.apache.zookeeper.server.DataNode].<init>(org.apache.zookeeper.data.StatPersisted) [function] [call site] 00029
2 [org.apache.zookeeper.data.StatPersisted].<init>() [function] [call site] 00030
2 [org.apache.zookeeper.server.DataNode].<init>(org.apache.zookeeper.data.StatPersisted) [function] [call site] 00031
2 [org.apache.zookeeper.data.StatPersisted].<init>() [function] [call site] 00032
2 [org.apache.zookeeper.server.DataNode].<init>(org.apache.zookeeper.data.StatPersisted) [function] [call site] 00033
2 [org.apache.zookeeper.server.DigestCalculator].<init>() [function] [call site] 00034
2 [org.apache.zookeeper.server.DataTree].<init>(org.apache.zookeeper.server.DigestCalculator) [function] [call site] 00035
3 [org.slf4j.LoggerFactory].getLogger() [function] [call site] 00036
3 [org.apache.zookeeper.server.RateLogger].<init>(org.apache.zookeeper.server.DataTree,int) [function] [call site] 00037
3 [java.util.concurrent.atomic.AtomicLong].<init>(int) [function] [call site] 00038
3 [String].substring(int) [function] [call site] 00039
3 [String].length() [function] [call site] 00040
3 [String].substring(int) [function] [call site] 00041
3 [String].length() [function] [call site] 00042
3 [String].substring(int) [function] [call site] 00043
3 [org.apache.zookeeper.common.PathTrie].<init>() [function] [call site] 00044
3 [java.util.concurrent.ConcurrentHashMap].<init>() [function] [call site] 00045
3 [java.util.concurrent.ConcurrentHashMap].<init>() [function] [call site] 00046
3 [java.util.Collections].newSetFromMap(java.util.concurrent.ConcurrentHashMap) [function] [call site] 00047
3 [java.util.concurrent.ConcurrentHashMap].<init>() [function] [call site] 00048
3 [java.util.Collections].newSetFromMap(java.util.concurrent.ConcurrentHashMap) [function] [call site] 00049
3 [org.apache.zookeeper.server.ReferenceCountedACLCache].<init>() [function] [call site] 00050
3 [java.util.ArrayList].<init>() [function] [call site] 00051
3 [java.util.LinkedList].<init>() [function] [call site] 00052
3 [org.apache.zookeeper.data.StatPersisted].<init>() [function] [call site] 00053
3 [org.apache.zookeeper.server.DataNode].<init>(org.apache.zookeeper.data.StatPersisted) [function] [call site] 00054
3 [org.apache.zookeeper.data.StatPersisted].<init>() [function] [call site] 00055
3 [org.apache.zookeeper.server.DataNode].<init>(org.apache.zookeeper.data.StatPersisted) [function] [call site] 00056
3 [org.apache.zookeeper.data.StatPersisted].<init>() [function] [call site] 00057
3 [org.apache.zookeeper.server.DataNode].<init>(org.apache.zookeeper.data.StatPersisted) [function] [call site] 00058
3 [org.apache.zookeeper.server.NodeHashMapImpl].<init>(org.apache.zookeeper.server.DigestCalculator) [function] [call site] 00059
4 [java.util.concurrent.ConcurrentHashMap].<init>() [function] [call site] 00060
4 [org.apache.zookeeper.server.util.AdHash].<init>() [function] [call site] 00061
4 [org.apache.zookeeper.server.ZooKeeperServer].isDigestEnabled() [function] [call site] 00062
3 [org.apache.zookeeper.server.NodeHashMapImpl].put(String,org.apache.zookeeper.server.DataNode) [function] [call site] 00063
4 [java.util.concurrent.ConcurrentHashMap<String,org.apache.zookeeper.server.DataNode>].put(String,org.apache.zookeeper.server.DataNode) [function] [call site] 00064
4 [org.apache.zookeeper.server.NodeHashMapImpl].addDigest(String,org.apache.zookeeper.server.DataNode) [function] [call site] 00065
5 [String].startsWith(String) [function] [call site] 00066
5 [org.apache.zookeeper.server.DigestCalculator].calculateDigest(String,org.apache.zookeeper.server.DataNode) [function] [call site] 00067
6 [org.apache.zookeeper.server.DataNode].isDigestCached() [function] [call site] 00068
6 [org.apache.zookeeper.server.DigestCalculator].calculateDigest(String,byte[],org.apache.zookeeper.data.StatPersisted) [function] [call site] 00069
7 [org.apache.zookeeper.server.ZooKeeperServer].isDigestEnabled() [function] [call site] 00070
7 [String].startsWith(String) [function] [call site] 00071
7 [String].equals(String) [function] [call site] 00072
7 [java.nio.ByteBuffer].wrap(org.apache.zookeeper.server.DigestCalculator) [function] [call site] 00073
7 [org.apache.zookeeper.data.StatPersisted].getCzxid() [function] [call site] 00074
7 [org.apache.zookeeper.server.DigestCalculator].putLong(long) [function] [call site] 00075
7 [org.apache.zookeeper.data.StatPersisted].getMzxid() [function] [call site] 00076
7 [org.apache.zookeeper.server.DigestCalculator].putLong(long) [function] [call site] 00077
7 [org.apache.zookeeper.data.StatPersisted].getPzxid() [function] [call site] 00078
7 [org.apache.zookeeper.server.DigestCalculator].putLong(long) [function] [call site] 00079
7 [org.apache.zookeeper.data.StatPersisted].getCtime() [function] [call site] 00080
7 [org.apache.zookeeper.server.DigestCalculator].putLong(long) [function] [call site] 00081
7 [org.apache.zookeeper.data.StatPersisted].getMtime() [function] [call site] 00082
7 [org.apache.zookeeper.server.DigestCalculator].putLong(long) [function] [call site] 00083
7 [org.apache.zookeeper.data.StatPersisted].getVersion() [function] [call site] 00084
7 [org.apache.zookeeper.server.DigestCalculator].putInt(int) [function] [call site] 00085
7 [org.apache.zookeeper.data.StatPersisted].getCversion() [function] [call site] 00086
7 [org.apache.zookeeper.server.DigestCalculator].putInt(int) [function] [call site] 00087
7 [org.apache.zookeeper.data.StatPersisted].getAversion() [function] [call site] 00088
7 [org.apache.zookeeper.server.DigestCalculator].putInt(int) [function] [call site] 00089
7 [org.apache.zookeeper.data.StatPersisted].getEphemeralOwner() [function] [call site] 00090
7 [org.apache.zookeeper.server.DigestCalculator].putLong(long) [function] [call site] 00091
7 [java.util.zip.CRC32].<init>() [function] [call site] 00092
7 [java.util.zip.CRC32].update(org.apache.zookeeper.server.DigestCalculator) [function] [call site] 00093
7 [java.util.zip.CRC32].update(byte[]) [function] [call site] 00094
7 [java.util.zip.CRC32].update(org.apache.zookeeper.server.DigestCalculator) [function] [call site] 00095
7 [java.util.zip.CRC32].getValue() [function] [call site] 00096
6 [org.apache.zookeeper.server.DataNode].setDigest(long) [function] [call site] 00097
6 [org.apache.zookeeper.server.DataNode].setDigestCached(boolean) [function] [call site] 00098
6 [org.apache.zookeeper.server.DataNode].getDigest() [function] [call site] 00099
5 [org.apache.zookeeper.server.util.AdHash].addDigest(long) [function] [call site] 00100
4 [org.apache.zookeeper.server.NodeHashMapImpl].removeDigest(String,org.apache.zookeeper.server.NodeHashMapImpl) [function] [call site] 00101
3 [org.apache.zookeeper.server.NodeHashMapImpl].putWithoutDigest(String,org.apache.zookeeper.server.DataNode) [function] [call site] 00102
4 [java.util.concurrent.ConcurrentHashMap<String,org.apache.zookeeper.server.DataNode>].put(String,org.apache.zookeeper.server.DataNode) [function] [call site] 00103
3 [org.apache.zookeeper.server.DataNode].addChild(String) [function] [call site] 00104
4 [java.util.HashSet].<init>(int) [function] [call site] 00105
4 [java.util.HashSet].add(String) [function] [call site] 00106
3 [org.apache.zookeeper.server.NodeHashMapImpl].put(String,org.apache.zookeeper.server.DataNode) [function] [call site] 00107
3 [org.apache.zookeeper.server.DataNode].addChild(String) [function] [call site] 00108
3 [org.apache.zookeeper.server.NodeHashMapImpl].put(String,org.apache.zookeeper.server.DataNode) [function] [call site] 00109
3 [org.apache.zookeeper.server.DataTree].addConfigNode() [function] [call site] 00110
4 [org.apache.zookeeper.server.NodeHashMap].get(String) [function] [call site] 00111
4 [org.apache.zookeeper.server.DataNode].addChild(String) [function] [call site] 00112
4 [org.apache.zookeeper.data.StatPersisted].<init>() [function] [call site] 00113
4 [org.apache.zookeeper.server.DataNode].<init>(org.apache.zookeeper.data.StatPersisted) [function] [call site] 00114
4 [org.apache.zookeeper.server.NodeHashMap].put(String,org.apache.zookeeper.server.DataNode) [function] [call site] 00115
4 [org.apache.zookeeper.server.DataTree].setACL(String,org.apache.zookeeper.server.DataTree) [function] [call site] 00116
3 [org.apache.zookeeper.server.DataTree].approximateDataSize() [function] [call site] 00117
4 [org.apache.zookeeper.server.NodeHashMap].entrySet() [function] [call site] 00118
4 [org.apache.zookeeper.server.DataTree].getNodeSize(org.apache.zookeeper.server.DataTree,org.apache.zookeeper.server.DataTree) [function] [call site] 00119
3 [java.util.concurrent.atomic.AtomicLong].set(long) [function] [call site] 00120
3 [org.apache.zookeeper.server.watch.WatchManagerFactory].createWatchManager() [function] [call site] 00121
4 [org.apache.zookeeper.server.watch.WatchManagerFactory].getConstructor() [function] [call site] 00122
4 [org.apache.zookeeper.server.watch.WatchManagerFactory].newInstance() [function] [call site] 00123
4 [org.slf4j.Logger].info(String,org.apache.zookeeper.server.watch.WatchManagerFactory) [function] [call site] 00124
4 [java.io.IOException].<init>(String,org.apache.zookeeper.server.watch.WatchManagerFactory) [function] [call site] 00125
3 [org.apache.zookeeper.server.watch.WatchManagerFactory].createWatchManager() [function] [call site] 00126
3 [org.slf4j.Logger].error(String,org.apache.zookeeper.server.DataTree) [function] [call site] 00127
3 [org.apache.zookeeper.util.ServiceUtils].requestSystemExit(org.apache.zookeeper.server.DataTree) [function] [call site] 00128
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeString(int) [function] [call site] 00129
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeBytes(int) [function] [call site] 00130
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeLong() [function] [call site] 00131
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeInt() [function] [call site] 00132
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeLong() [function] [call site] 00133
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeLong() [function] [call site] 00134
1 [org.apache.zookeeper.server.DataTree].createNode(String,byte[],null,long,int,long,long) [function] [call site] 00135
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeLong() [function] [call site] 00136
1 [org.apache.zookeeper.server.DataTree].deleteNode(String,long) [function] [call site] 00137
2 [String].lastIndexOf(char) [function] [call site] 00138
2 [String].substring(int,org.apache.zookeeper.server.DataTree) [function] [call site] 00139
2 [String].substring(int) [function] [call site] 00140
2 [org.apache.zookeeper.server.NodeHashMap].get(org.apache.zookeeper.server.DataTree) [function] [call site] 00141
2 [org.apache.zookeeper.KeeperException.NoNodeException].<init>() [function] [call site] 00142
3 [org.apache.zookeeper.KeeperException].<init>(org.apache.zookeeper.KeeperException.NoNodeException) [function] [call site] 00143
2 [org.apache.zookeeper.server.NodeHashMap].preChange(org.apache.zookeeper.server.DataTree,org.apache.zookeeper.server.DataNode) [function] [call site] 00144
2 [org.apache.zookeeper.server.DataNode].removeChild(org.apache.zookeeper.server.DataTree) [function] [call site] 00145
2 [org.apache.zookeeper.data.StatPersisted].getPzxid() [function] [call site] 00146
2 [org.apache.zookeeper.data.StatPersisted].setPzxid(long) [function] [call site] 00147
2 [org.apache.zookeeper.server.NodeHashMap].postChange(org.apache.zookeeper.server.DataTree,org.apache.zookeeper.server.DataNode) [function] [call site] 00148
2 [org.apache.zookeeper.server.NodeHashMap].get(String) [function] [call site] 00149
2 [org.apache.zookeeper.KeeperException.NoNodeException].<init>() [function] [call site] 00150
2 [org.apache.zookeeper.server.NodeHashMap].remove(String) [function] [call site] 00151
2 [org.apache.zookeeper.server.DataTree].getACL(org.apache.zookeeper.server.DataNode) [function] [call site] 00152
3 [org.apache.zookeeper.server.ReferenceCountedACLCache].convertLong(Long) [function] [call site] 00153
4 [java.util.Map<Long,java.util.List<org.apache.zookeeper.data.ACL>>].get(Long) [function] [call site] 00154
4 [org.slf4j.Logger].error(String,Long) [function] [call site] 00155
4 [RuntimeException].<init>(String) [function] [call site] 00156
2 [org.apache.zookeeper.server.ReferenceCountedACLCache].removeUsage(Long) [function] [call site] 00157
3 [java.util.Map<Long,java.util.List<org.apache.zookeeper.data.ACL>>].containsKey(Long) [function] [call site] 00158
3 [org.slf4j.Logger].info(String,Long) [function] [call site] 00159
3 [java.util.Map<Long,AtomicLongWithEquals>].get(Long) [function] [call site] 00160
3 [org.apache.zookeeper.server.ReferenceCountedACLCache].decrementAndGet() [function] [call site] 00161
3 [java.util.Map<Long,AtomicLongWithEquals>].remove(Long) [function] [call site] 00162
3 [java.util.Map<Long,java.util.List<org.apache.zookeeper.data.ACL>>].get(Long) [function] [call site] 00163
3 [java.util.Map<java.util.List<org.apache.zookeeper.data.ACL>,Long>].remove(org.apache.zookeeper.server.ReferenceCountedACLCache) [function] [call site] 00164
3 [java.util.Map<Long,java.util.List<org.apache.zookeeper.data.ACL>>].remove(Long) [function] [call site] 00165
2 [java.util.concurrent.atomic.AtomicLong].addAndGet() [function] [call site] 00166
2 [org.apache.zookeeper.server.DataTree].getACL(org.apache.zookeeper.server.DataNode) [function] [call site] 00167
2 [org.apache.zookeeper.data.StatPersisted].getEphemeralOwner() [function] [call site] 00168
2 [java.util.Set<String>].remove(String) [function] [call site] 00169
2 [java.util.Set<String>].remove(String) [function] [call site] 00170
2 [org.apache.zookeeper.server.ServerMetrics].getMetrics() [function] [call site] 00171
2 [org.apache.zookeeper.metrics.Counter].add(int) [function] [call site] 00172
2 [java.util.Map<Long,java.util.HashSet<String>>].get(long) [function] [call site] 00173
2 [org.apache.zookeeper.server.DataTree].remove(String) [function] [call site] 00174
2 [org.apache.zookeeper.server.DataTree].startsWith(String) [function] [call site] 00175
2 [String].equals(org.apache.zookeeper.server.DataTree) [function] [call site] 00176
2 [org.apache.zookeeper.Quotas].trimQuotaPath(org.apache.zookeeper.server.DataTree) [function] [call site] 00177
2 [org.apache.zookeeper.common.PathTrie].deletePath(String) [function] [call site] 00178
3 [java.util.Objects].requireNonNull(String,String) [function] [call site] 00179
3 [String].length() [function] [call site] 00180
3 [IllegalArgumentException].<init>(String) [function] [call site] 00181
3 [org.apache.zookeeper.common.PathTrie].split(String) [function] [call site] 00182
4 [String].split(String) [function] [call site] 00183
4 [java.util.stream.Stream].of(org.apache.zookeeper.common.PathTrie) [function] [call site] 00184
4 [org.apache.zookeeper.common.PathTrie].filter() [function] [call site] 00185
4 [org.apache.zookeeper.common.PathTrie].toArray() [function] [call site] 00186
3 [java.util.concurrent.locks.Lock].lock() [function] [call site] 00187
3 [org.slf4j.Logger].debug(String,org.apache.zookeeper.common.PathTrie) [function] [call site] 00188
3 [org.apache.zookeeper.common.PathTrie].getParent() [function] [call site] 00189
3 [org.apache.zookeeper.common.PathTrie].getValue() [function] [call site] 00190
3 [org.apache.zookeeper.common.PathTrie].deleteChild(org.apache.zookeeper.common.PathTrie) [function] [call site] 00191
3 [java.util.concurrent.locks.Lock].unlock() [function] [call site] 00192
2 [org.apache.zookeeper.server.DataTree].getMaxPrefixWithQuota(String) [function] [call site] 00193
3 [org.apache.zookeeper.common.PathTrie].findMaxPrefix(String) [function] [call site] 00194
4 [java.util.Objects].requireNonNull(String,String) [function] [call site] 00195
4 [org.apache.zookeeper.common.PathTrie].split(String) [function] [call site] 00196
4 [java.util.concurrent.locks.Lock].lock() [function] [call site] 00197
4 [org.slf4j.Logger].debug(String,org.apache.zookeeper.common.PathTrie) [function] [call site] 00198
4 [org.apache.zookeeper.common.PathTrie].hasProperty() [function] [call site] 00199
4 [java.util.ArrayDeque].<init>() [function] [call site] 00200
4 [java.util.ArrayDeque].offerFirst(org.apache.zookeeper.common.PathTrie) [function] [call site] 00201
4 [java.util.concurrent.locks.Lock].unlock() [function] [call site] 00202
3 [String].equals(String) [function] [call site] 00203
3 [String].isEmpty() [function] [call site] 00204
2 [org.apache.zookeeper.server.DataTree].updateQuotaStat(String,org.apache.zookeeper.server.DataTree) [function] [call site] 00205
2 [org.apache.zookeeper.server.DataTree].updateWriteStat(String,int) [function] [call site] 00206
2 [org.slf4j.Logger].isTraceEnabled() [function] [call site] 00207
2 [org.apache.zookeeper.server.ZooTrace].logTraceMessage(org.slf4j.Logger,long,String) [function] [call site] 00208
3 [org.apache.zookeeper.server.ZooTrace].isTraceEnabled(org.slf4j.Logger,long) [function] [call site] 00209
4 [org.slf4j.Logger].isTraceEnabled() [function] [call site] 00210
3 [org.slf4j.Logger].trace(String) [function] [call site] 00211
2 [org.apache.zookeeper.server.ZooTrace].logTraceMessage(org.slf4j.Logger,long,String) [function] [call site] 00212
2 [org.apache.zookeeper.server.watch.IWatchManager].triggerWatch(String,org.apache.zookeeper.server.DataTree,long,java.util.List<org.apache.zookeeper.data.ACL>) [function] [call site] 00213
2 [org.apache.zookeeper.server.watch.IWatchManager].triggerWatch(String,org.apache.zookeeper.server.DataTree,long,java.util.List<org.apache.zookeeper.data.ACL>,org.apache.zookeeper.server.watch.WatcherOrBitSet) [function] [call site] 00214
2 [org.apache.zookeeper.server.watch.IWatchManager].triggerWatch(org.apache.zookeeper.server.DataTree,long,java.util.List<org.apache.zookeeper.data.ACL>) [function] [call site] 00215
1 [org.apache.zookeeper.txn.TxnHeader].<init>(int,int,int,int,DataTreeFuzzer) [function] [call site] 00216
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeBoolean() [function] [call site] 00217
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeInt() [function] [call site] 00218
1 [org.apache.zookeeper.txn.CreateTxn].<init>(String,byte[],DataTreeFuzzer,boolean,int) [function] [call site] 00219
1 [org.apache.zookeeper.server.DataTree].processTxn(org.apache.zookeeper.txn.TxnHeader,org.apache.zookeeper.txn.CreateTxn) [function] [call site] 00220