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

Fuzzer details

Fuzzer: ParseFuzzer

Call tree

The calltree shows the control flow of the fuzzer. This is overlaid with coverage information to display how much of the potential code a fuzzer can reach is in fact covered at runtime. In the following there is a link to a detailed calltree visualisation as well as a bitmap showing a high-level view of the calltree. For further information about these topics please see the glossary for full calltree and calltree overview

Call tree overview bitmap:

The distribution of callsites in terms of coloring is
Color Runtime hitcount Callsite count Percentage
red 0 2888 72.0%
gold [1:9] 1078 26.9%
yellow [10:29] 39 0.97%
greenyellow [30:49] 0 0.0%
lawngreen 50+ 1 0.02%
All colors 4006 100

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
2304 602 [com.graphbuilder.math.FuncNode].numChildren() call site: 00602
532 69 [com.graphbuilder.math.ExpressionTree].build(java.lang.String,int) call site: 00069
14 54 [com.graphbuilder.math.ExpressionTree].build(java.lang.String,int) call site: 00054
6 4 [com.graphbuilder.math.ExpressionParseException]. (java.lang.String,int) call site: 00004
6 45 [com.graphbuilder.math.ExpressionTree].build(java.lang.String,int) call site: 00045
5 3985 [com.graphbuilder.math.ExpressionTree].build(com.graphbuilder.struc.Stack,com.graphbuilder.struc.Stack) call site: 03985
4 2932 [com.graphbuilder.math.TermNode].isValidName(java.lang.String) call site: 02932
4 2952 [com.graphbuilder.math.FuncNode].insert(com.graphbuilder.math.Expression,int) call site: 02952
3 16 [com.graphbuilder.math.ExpressionTree].build(java.lang.String,int) call site: 00016
3 25 [com.graphbuilder.math.ExpressionTree].build(java.lang.String,int) call site: 00025
2 2946 [com.graphbuilder.math.FuncNode].insert(com.graphbuilder.math.Expression,int) call site: 02946
1 2 [ParseFuzzer].fuzzerTestOneInput(com.code_intelligence.jazzer.api.FuzzedDataProvider) call site: 00002

Runtime coverage analysis

Covered functions
49
Functions that are reachable but not covered
171
Reachable functions
206
Percentage of reachable functions covered
16.99%
NB: The sum of covered functions and functions that are reachable but not covered need not be equal to Reachable functions . This is because the reachability analysis is an approximation and thus at runtime some functions may be covered that are not included in the reachability analysis. This is a limitation of our static analysis capabilities.
Function name source code lines source lines hit percentage hit

Files reached

filename functions hit
ParseFuzzer 1
com.code_intelligence.jazzer.api.FuzzedDataProvider 1
com.graphbuilder.math.ExpressionTree 3
com.graphbuilder.math.ExpressionParseException 2
java.lang.RuntimeException 2
java.lang.Exception 2
java.lang.Throwable 16
java.lang.Object 6
sun.nio.fs.UnixException 2
java.lang.String 28
java.lang.StringLatin1 9
java.lang.StringUTF16 15
com.graphbuilder.struc.Stack 3
com.graphbuilder.struc.LinkedList 12
com.graphbuilder.struc.LinkedList$Node 1
java.lang.StringBuilder 11
java.lang.StringIndexOutOfBoundsException 2
java.lang.Double 11
jdk.internal.math.FloatingDecimal 11
jdk.internal.math.FloatingDecimal$ASCIIToBinaryBuffer 2
java.lang.Math 2
jdk.internal.math.FDBigInteger 33
java.lang.AssertionError 5
java.lang.Error 2
java.lang.Integer 17
java.util.Arrays 6
java.lang.Long 10
java.util.concurrent.ForkJoinPool 1
com.graphbuilder.math.func.SignFunction 1
java.io.ObjectOutputStream$DebugTraceInfoStack 1
java.security.PrivilegedActionException 2
com.graphbuilder.math.func.FloorFunction 1
java.lang.ThreadGroup 2
java.util.Calendar 4
java.lang.Short 5
java.lang.Package 2
jdk.internal.org.objectweb.asm.TypePath 4
java.lang.ProcessHandleImpl 3
java.io.StringWriter 5
java.util.concurrent.CountDownLatch 1
java.util.AbstractMap 6
java.util.Hashtable 7
java.util.Currency 1
java.lang.reflect.Constructor 3
java.security.SecureRandom 1
java.lang.Module 1
java.net.ServerSocket 1
java.lang.module.ModuleDescriptor$Requires 3
sun.reflect.annotation.TypeAnnotation 1
java.time.format.DateTimeFormatter 1
com.graphbuilder.math.func.SumFunction 1
java.util.Properties 7
java.util.concurrent.atomic.AtomicInteger 2
java.time.LocalTime 3
java.util.regex.Matcher 4
java.lang.Thread 10
java.math.MutableBigInteger 1
java.util.regex.Pattern 2
java.lang.Enum 4
jdk.internal.misc.Signal$NativeHandler 1
java.lang.Class 7
java.lang.invoke.LambdaFormEditor$Transform 3
java.util.AbstractList 4
java.time.OffsetTime 3
java.lang.reflect.Field 3
java.util.ResourceBundle$CacheKey 3
java.util.ArrayList 10
sun.nio.ch.FileKey 2
java.text.AttributedCharacterIterator$Attribute 3
sun.util.locale.LocaleExtensions 3
java.net.Inet4Address 2
java.lang.Byte 5
java.util.concurrent.ConcurrentHashMap 6
java.security.AllPermission 2
java.lang.module.ResolvedModule 3
java.time.zone.ZoneOffsetTransitionRule 3
java.awt.geom.Point2D 3
java.text.FieldPosition 3
java.util.OptionalDouble 3
java.math.BigInteger 5
java.lang.invoke.LambdaForm$NamedFunction 3
java.net.SocketPermission 2
java.util.OptionalLong 3
java.io.File 5
sun.nio.fs.UnixPath 3
java.util.zip.ZipFile$Source$Key 2
java.nio.FloatBuffer 3
org.junit.runners.model.TestClass 3
java.nio.ShortBuffer 3
jdk.internal.module.ServicesCatalog$ServiceProvider 2
java.util.Objects 4
java.time.LocalDateTime 3
java.time.Clock 2
java.lang.ProcessBuilder$Redirect 2
java.net.InterfaceAddress 3
java.lang.reflect.Method 4
java.security.CodeSource 3
java.util.PropertyPermission 2
java.lang.Float 9
java.util.Optional 3
java.time.Duration 3
java.util.TreeMap$Entry 5
java.util.jar.Manifest 3
java.text.DateFormat 3
java.lang.Runtime$Version 3
java.util.concurrent.ConcurrentHashMap$KeySetView 5
java.lang.module.ModuleDescriptor$Exports 3
java.util.Hashtable$Entry 6
java.nio.CharBuffer 3
java.lang.Thread$WeakClassKey 2
java.security.Provider$ServiceKey 2
java.text.MessageFormat 3
java.text.DateFormatSymbols 3
java.util.concurrent.CopyOnWriteArrayList 7
java.security.CodeSigner 3
java.util.WeakHashMap$Entry 5
jdk.internal.org.objectweb.asm.Type 5
java.net.Proxy 3
org.junit.experimental.theories.internal.ParameterizedAssertionError 2
org.junit.ComparisonFailure 1
org.junit.ComparisonFailure$ComparisonCompactor 9
org.junit.Assert 4
java.net.HttpCookie 4
java.time.Period 3
java.time.OffsetDateTime 3
java.lang.invoke.StringConcatFactory$RecipeElement 2
java.time.ZoneOffset 3
java.io.FilePermission 2
java.time.LocalDate 3
java.lang.Boolean 5
org.junit.runner.notification.SynchronizedRunListener 3
java.lang.module.ModuleDescriptor$Provides 3
java.net.URI 3
java.time.Instant 3
jdk.internal.module.ModuleReferenceImpl 4
java.lang.module.ModuleReference 1
java.security.cert.CertPath 3
java.time.temporal.ValueRange 3
jdk.internal.module.ModuleHashes 3
java.util.jar.Attributes 6
java.util.IdentityHashMap 7
java.util.WeakHashMap 3
java.util.TreeMap 4
java.util.HashMap 4
java.util.LinkedHashMap 2
java.util.stream.Collectors$Partition 1
java.security.Provider 3
org.hamcrest.internal.SelfDescribingValueIterator 3
org.hamcrest.internal.ArrayIterator 3
java.lang.reflect.Array 2
jdk.internal.module.ModuleBootstrap$2 2
java.nio.file.FileTreeIterator 2
java.io.BufferedReader$1 2
java.nio.file.Files$2 2
java.io.BufferedReader$1:java.nio.file.FileTreeIterator:java.nio.file.Files$2 2
java.util.TreeMap$EntrySet 2
java.util.concurrent.ConcurrentHashMap$EntrySetView 5
java.util.HashSet 5
java.util.TreeMap$KeySet 3
org.hamcrest.internal.SelfDescribingValue 2
java.util.NoSuchElementException 1
java.util.concurrent.ConcurrentHashMap$Node 5
java.util.HashMap$Node 5
java.util.OptionalInt 3
java.lang.reflect.Parameter 3
java.net.InetAddress 3
java.nio.IntBuffer 3
java.security.AccessControlContext 2
java.lang.Character$Subset 3
java.nio.charset.Charset 3
java.lang.invoke.MemberName 4
org.junit.runner.Description 4
javax.crypto.CryptoPermission 3
java.lang.Character 7
java.lang.invoke.MethodType 3
java.math.BigDecimal 3
java.text.NumberFormat 4
java.time.zone.ZoneOffsetTransition 3
java.security.BasicPermission 2
java.awt.geom.AffineTransform 4
java.security.cert.Certificate 2
java.math.MathContext 3
java.time.chrono.AbstractChronology 3
java.awt.Rectangle 2
java.awt.Dimension 3
java.net.URL 3
java.util.Date 4
java.awt.geom.Rectangle2D 2
java.awt.Point 2
java.util.Vector 8
junit.framework.TestSuite 2
com.graphbuilder.math.Expression 5
java.lang.StringBuffer 8
java.lang.AbstractStringBuilder 6
com.graphbuilder.math.AddNode 2
com.graphbuilder.math.DivNode 2
com.graphbuilder.math.SubNode 2
com.graphbuilder.math.PowNode 2
com.graphbuilder.math.MultNode 2
com.graphbuilder.math.TermNode 6
com.graphbuilder.math.FuncNode 5
com.graphbuilder.struc.Bag 6
java.lang.IllegalArgumentException 2
org.junit.experimental.results.PrintableResult 1
java.io.ByteArrayOutputStream 2
org.junit.internal.TextListener 8
org.junit.runner.notification.RunListener 1
java.io.PrintStream 4
org.junit.runner.Result 5
java.util.concurrent.atomic.AtomicLong 2
org.junit.internal.Throwables$1 2
java.util.LinkedList 3
java.util.AbstractCollection:java.util.ArrayList:java.util.Vector:java.util.concurrent.CopyOnWriteArrayList 1
org.junit.runner.notification.Failure 4
org.junit.internal.Throwables 12
java.util.TimeZone 1
java.awt.geom.Dimension2D 1
java.text.BreakIterator 1
java.lang.ref.Reference 1
java.security.SignatureSpi 1
java.lang.CloneNotSupportedException 1
java.util.zip.ZipEntry 3
java.text.DecimalFormatSymbols 3
java.security.MessageDigest 2
java.util.Locale 4
java.security.Signature 2
java.util.EnumSet 1
java.awt.geom.Line2D 1
java.text.Format 1
java.text.Collator 2
java.awt.geom.RectangularShape 1
java.util.ArrayDeque 1
java.security.MessageDigestSpi 1
sun.util.calendar.CalendarDate 4
java.lang.StackTraceElement 6
org.junit.internal.Throwables$State 1
org.junit.internal.Throwables$State$1 1
org.junit.internal.Throwables$State$3 1
org.junit.internal.Throwables$State$2 1
org.junit.internal.Throwables$State$4 1
org.junit.internal.ArrayComparisonFailure 3
java.io.UncheckedIOException 1
java.util.Collections 2
java.io.PrintWriter 9
java.io.Writer 3
org.junit.runners.model.MultipleFailureException 2
java.lang.Throwable$WrappedPrintWriter 3
java.util.AbstractCollection 5
java.lang.Throwable$WrappedPrintStream 2
java.lang.reflect.InvocationTargetException 1
java.lang.ClassNotFoundException 1
java.lang.ExceptionInInitializerError 1
java.lang.reflect.UndeclaredThrowableException 1
junit.framework.ComparisonFailure 1
junit.framework.ComparisonCompactor 8
junit.framework.Assert 1
java.util.Formatter 3
java.lang.Number 1
org.junit.internal.AssumptionViolatedException 2
org.hamcrest.StringDescription 7
org.hamcrest.BaseDescription 11
org.hamcrest.core.IsCollectionContaining 1
org.hamcrest.Description$NullDescription 5
java.io.IOException 1
java.io.OutputStreamWriter 3
sun.nio.cs.StreamEncoder 3
java.io.BufferedWriter 6
java.lang.IndexOutOfBoundsException 1
java.lang.System 3
java.lang.SecurityManager 1
java.io.OutputStreamWriter:java.io.StringWriter:sun.nio.cs.StreamEncoder 1
java.io.OutputStreamWriter:java.io.PrintStream:java.io.StringWriter:java.io.Writer:java.lang.AbstractStringBuilder:java.lang.StringBuilder:java.nio.CharBuffer 1
java.io.PrintStream:java.io.StringWriter:java.io.Writer:java.lang.AbstractStringBuilder:java.lang.StringBuilder:java.nio.CharBuffer 1
org.junit.internal.SerializableMatcherDescription 1
org.junit.internal.matchers.ThrowableCauseMatcher 1
org.hamcrest.core.IsNull 1
org.hamcrest.core.AnyOf 2
org.hamcrest.core.ShortcutCombination 1
java.nio.file.Path:java.util.AbstractList:java.util.AbstractSequentialList:java.util.ArrayDeque:java.util.ArrayList:java.util.HashSet:java.util.ServiceLoader:java.util.TreeMap$EntrySet:java.util.TreeMap$KeySet:java.util.Vector:java.util.concurrent.ConcurrentHashMap$EntrySetView:java.util.concurrent.ConcurrentHashMap$KeySetView:java.util.concurrent.ConcurrentHashMap$ValuesView:java.util.concurrent.ConcurrentLinkedQueue:java.util.concurrent.CopyOnWriteArrayList:java.util.concurrent.LinkedBlockingQueue 1
java.lang.StringBuilder:org.hamcrest.Description$NullDescription 1
org.hamcrest.core.Is 1
org.junit.runners.parameterized.TestWithParameters 3
java.util.AbstractList:java.util.ArrayList:java.util.Vector:java.util.concurrent.CopyOnWriteArrayList 1
jdk.internal.org.objectweb.asm.Handle 3
jdk.internal.module.IllegalAccessLogger$Usage 2
java.lang.module.ModuleDescriptor 4
jdk.internal.jimage.ImageReader$Node 4
org.junit.runners.model.FrameworkMethod 3
jdk.internal.loader.AbstractClassLoaderValue$Sub 3
java.util.AbstractSet 2
java.time.zone.ZoneRules 3
java.time.ZoneId 3
java.security.Timestamp 3
javax.security.auth.Subject 3
java.time.ZonedDateTime 3
org.hamcrest.CustomTypeSafeMatcher 1
org.junit.internal.matchers.StacktracePrintingMatcher 1
org.hamcrest.core.IsAnything 1
org.hamcrest.core.IsEqual 1
org.hamcrest.FeatureMatcher 1
org.hamcrest.core.IsInstanceOf 1
org.hamcrest.core.IsNot 1
org.junit.experimental.results.ResultMatchers$4 1
org.hamcrest.core.IsSame 1
org.hamcrest.CustomMatcher 1
org.junit.experimental.results.ResultMatchers$3 1
org.hamcrest.core.SubstringMatcher 1
org.hamcrest.core.StringContains:org.hamcrest.core.StringEndsWith:org.hamcrest.core.StringStartsWith 1
org.junit.internal.matchers.ThrowableMessageMatcher 1
org.junit.experimental.results.ResultMatchers$1 1
org.hamcrest.core.CombinableMatcher 1
org.hamcrest.core.AllOf 1
org.junit.experimental.results.ResultMatchers$2 1
org.hamcrest.core.DescribedAs 1
java.util.regex.Matcher:org.hamcrest.Description$NullDescription 3
java.lang.NumberFormatException 2
java.lang.CharacterData 1
org.hamcrest.core.Every 1
java.io.StringWriter:java.lang.StringBuilder:java.nio.CharBuffer 1
java.io.InvalidClassException:java.lang.StringBuilder:java.lang.Throwable:java.net.URISyntaxException:java.nio.file.FileSystemException:java.nio.file.InvalidPathException:java.util.regex.PatternSyntaxException:org.junit.runners.model.InvalidTestClassError:sun.nio.fs.UnixException 1
com.graphbuilder.curve.ControlStringParseException 1
java.util.AbstractSequentialList 1
java.io.BufferedReader 9
java.io.Reader 2
java.io.StringReader 3
sun.nio.cs.StreamDecoder 2
java.io.InputStreamReader 2
org.junit.runners.model.FrameworkField 1
jdk.internal.misc.Signal 3
jdk.internal.module.ModuleResolution 1
java.lang.ThreadLocal 1
jdk.internal.math.FloatingDecimal$BinaryToASCIIBuffer 8
jdk.internal.math.FloatingDecimal$ExceptionalBinaryToASCIIBuffer 1
junit.framework.JUnit4TestCaseFacade 2
junit.extensions.RepeatedTest 1
junit.extensions.TestDecorator 1
junit.framework.JUnit4TestAdapter 1
junit.framework.TestCase 2
java.util.Collection 1
jdk.internal.module.ModuleHashes$lambda_toString_1__1 2
java.util.Map$Entry 1
org.junit.experimental.theories.PotentialAssignment$1 1
org.junit.experimental.categories.Categories$CategoryFilter 1
java.util.concurrent.ConcurrentHashMap$CollectionView 2
jdk.internal.org.objectweb.asm.Label 1
org.hamcrest.BaseMatcher 1
jdk.internal.jmod.JmodFile$Entry 1
jdk.internal.jmod.JmodFile$Section 1
junit.framework.TestFailure 1
jdk.internal.perf.PerfCounter 2
com.graphbuilder.math.func.AbsFunction:com.graphbuilder.math.func.AcosFunction:com.graphbuilder.math.func.AcoshFunction:com.graphbuilder.math.func.AsinFunction:com.graphbuilder.math.func.AsinhFunction:com.graphbuilder.math.func.AtanFunction:com.graphbuilder.math.func.AtanhFunction:com.graphbuilder.math.func.AvgFunction:com.graphbuilder.math.func.CeilFunction:com.graphbuilder.math.func.CombinFunction:com.graphbuilder.math.func.CosFunction:com.graphbuilder.math.func.CoshFunction:com.graphbuilder.math.func.EFunction:com.graphbuilder.math.func.ExpFunction:com.graphbuilder.math.func.FactFunction:com.graphbuilder.math.func.FloorFunction:com.graphbuilder.math.func.LgFunction:com.graphbuilder.math.func.LnFunction:com.graphbuilder.math.func.LogFunction:com.graphbuilder.math.func.MaxFunction:com.graphbuilder.math.func.MinFunction:com.graphbuilder.math.func.ModFunction:com.graphbuilder.math.func.PiFunction:com.graphbuilder.math.func.PowFunction:com.graphbuilder.math.func.RandFunction:com.graphbuilder.math.func.RoundFunction:com.graphbuilder.math.func.SignFunction:com.graphbuilder.math.func.SinFunction:com.graphbuilder.math.func.SinhFunction:com.graphbuilder.math.func.SqrtFunction:com.graphbuilder.math.func.SumFunction:com.graphbuilder.math.func.TanFunction:com.graphbuilder.math.func.TanhFunction:java.awt.Dimension:java.awt.Point:java.awt.Rectangle:java.awt.geom.AffineTransform:java.awt.geom.Rectangle2D$Double:java.io.ByteArrayOutputStream:java.io.ObjectOutputStream$DebugTraceInfoStack:java.io.ObjectStreamClass:java.io.ObjectStreamField:java.io.StringWriter:java.lang.Boolean:java.lang.Character$Subset:java.lang.Enum:java.lang.Module:java.lang.ModuleLayer:java.lang.Package:java.lang.ProcessBuilder$Redirect$1:java.lang.ProcessBuilder$Redirect$2:java.lang.ProcessBuilder$Redirect$3:java.lang.ProcessBuilder$Redirect$4:java.lang.ProcessBuilder$Redirect$5:java.lang.ProcessBuilder$Redirect$6:java.lang.ProcessBuilder$RedirectPipeImpl:java.lang.ProcessHandleImpl:java.lang.ProcessImpl:java.lang.Runtime$Version:java.lang.StackFrameInfo:java.lang.StackTraceElement:java.lang.String:java.lang.StringBuilder:java.lang.ThreadGroup:java.lang.invoke.ClassSpecializer$SpeciesData:java.lang.invoke.Invokers:java.lang.invoke.LambdaForm:java.lang.invoke.LambdaForm$Name:java.lang.invoke.LambdaForm$NamedFunction:java.lang.invoke.LambdaFormEditor$Transform:java.lang.invoke.MemberName:java.lang.invoke.MethodHandle:java.lang.invoke.MethodHandleImpl$LoopClauses:java.lang.invoke.MethodHandles$Lookup:java.lang.invoke.MethodType:java.lang.invoke.MethodTypeForm:java.lang.invoke.SerializedLambda:java.lang.module.Configuration:java.lang.module.ModuleDescriptor:java.lang.module.ModuleDescriptor$Exports:java.lang.module.ModuleDescriptor$Opens:java.lang.module.ModuleDescriptor$Provides:java.lang.module.ModuleDescriptor$Requires:java.lang.module.ModuleDescriptor$Version:java.lang.module.ResolvedModule:java.lang.reflect.Constructor:java.lang.reflect.Field:java.lang.reflect.Method:java.lang.reflect.Parameter:java.math.BigDecimal:java.math.BigInteger:java.math.MathContext:java.math.MutableBigInteger:java.net.HttpCookie:java.net.InetAddress:java.net.InterfaceAddress:java.net.NetworkInterface:java.net.Proxy:java.net.ServerSocket:java.net.Socket:java.net.SocketImpl:java.net.URI:java.net.URL:java.net.URLConnection:java.nio.ByteBuffer:java.nio.ByteOrder:java.nio.CharBuffer:java.nio.DoubleBuffer:java.nio.FloatBuffer:java.nio.IntBuffer:java.nio.LongBuffer:java.nio.ShortBuffer:java.nio.channels.FileChannel$MapMode:java.nio.channels.FileLock:java.nio.charset.Charset:java.nio.charset.CoderResult:java.nio.charset.CodingErrorAction:java.nio.file.attribute.FileTime:java.security.AlgorithmParameters:java.security.CodeSigner:java.security.CodeSource:java.security.MessageDigest:java.security.Permission:java.security.PermissionCollection:java.security.PrivilegedActionException:java.security.ProtectionDomain:java.security.Provider:java.security.Provider$Service:java.security.SecureRandom:java.security.SecureRandomSpi:java.security.Signature:java.security.Timestamp:java.security.cert.CertPath:java.text.AttributedCharacterIterator$Attribute:java.text.FieldPosition:java.text.ParsePosition:java.time.Duration:java.time.Instant:java.time.LocalDate:java.time.LocalDateTime:java.time.LocalTime:java.time.OffsetDateTime:java.time.OffsetTime:java.time.Period:java.time.ZoneId:java.time.ZoneOffset:java.time.ZonedDateTime:java.time.chrono.AbstractChronology:java.time.format.DateTimeFormatter:java.time.format.DateTimeFormatterBuilder$CompositePrinterParser:java.time.format.DateTimeFormatterBuilder$NumberPrinterParser:java.time.format.DateTimeParseContext:java.time.format.DateTimePrintContext:java.time.format.DecimalStyle:java.time.format.Parsed:java.time.temporal.ChronoField:java.time.temporal.ChronoUnit:java.time.temporal.ValueRange:java.time.zone.ZoneOffsetTransition:java.time.zone.ZoneOffsetTransitionRule:java.time.zone.ZoneRules:java.util.AbstractCollection:java.util.AbstractMap:java.util.Calendar:java.util.Currency:java.util.Date:java.util.DoubleSummaryStatistics:java.util.Formatter:java.util.HashMap$Node:java.util.Hashtable:java.util.Hashtable$Entry:java.util.IntSummaryStatistics:java.util.Locale:java.util.LongSummaryStatistics:java.util.Optional:java.util.OptionalDouble:java.util.OptionalInt:java.util.OptionalLong:java.util.Properties:java.util.ResourceBundle$CacheKey:java.util.ServiceLoader:java.util.StringJoiner:java.util.TreeMap$Entry:java.util.Vector:java.util.WeakHashMap$Entry:java.util.concurrent.CompletableFuture:java.util.concurrent.ConcurrentHashMap:java.util.concurrent.ConcurrentHashMap$CollectionView:java.util.concurrent.ConcurrentHashMap$Node:java.util.concurrent.ConcurrentLinkedQueue:java.util.concurrent.CopyOnWriteArrayList:java.util.concurrent.CountDownLatch:java.util.concurrent.ForkJoinPool:java.util.concurrent.FutureTask:java.util.concurrent.LinkedBlockingQueue:java.util.concurrent.ThreadPoolExecutor:java.util.concurrent.atomic.AtomicBoolean:java.util.concurrent.atomic.AtomicInteger:java.util.concurrent.atomic.AtomicLong:java.util.concurrent.locks.AbstractQueuedSynchronizer:java.util.concurrent.locks.ReentrantLock:java.util.concurrent.locks.ReentrantReadWriteLock:java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock:java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock:java.util.jar.Attributes$Name:java.util.regex.Matcher:java.util.regex.Pattern:java.util.zip.ZipEntry:javax.crypto.CryptoPermission:javax.security.auth.Subject:org.hamcrest.Description$NullDescription:org.junit.internal.ComparisonCriteria$1:org.junit.internal.SerializableValueDescription:sun.net.www.MessageHeader:sun.nio.fs.UnixFileStore:sun.nio.fs.UnixPath:sun.reflect.annotation.AnnotationType:sun.reflect.annotation.TypeAnnotation:sun.reflect.annotation.TypeAnnotation$TypeAnnotationTargetInfo:sun.security.util.JarConstraintsParameters:sun.security.util.LazyCodeSourcePermissionCollection:sun.util.calendar.CalendarDate:sun.util.calendar.Era:sun.util.locale.BaseLocale:sun.util.locale.Extension:sun.util.locale.LocaleExtensions 1
java.lang.invoke.ClassSpecializer$SpeciesData 3
java.nio.ByteBuffer 3
java.lang.invoke.StringConcatFactory$Key 2
java.lang.module.ModuleDescriptor$Version 3
java.lang.invoke.LambdaForm 3
java.lang.module.ModuleDescriptor$Opens 3
java.net.NetworkInterface 3
java.time.format.DecimalStyle 3
java.text.ParsePosition 3
java.lang.invoke.LambdaForm$Name 3
sun.util.calendar.Era 3
sun.nio.fs.UnixFileStore 3
java.nio.LongBuffer 3
java.nio.file.attribute.FileTime 3
java.util.jar.Attributes$Name 3
sun.util.locale.BaseLocale 3
sun.util.locale.BaseLocale$Key 2
java.nio.DoubleBuffer 3
java.lang.invoke.StringConcatFactory$Recipe 2
java.lang.Object:java.util.AbstractList:java.util.ArrayList:java.util.Vector:java.util.concurrent.CopyOnWriteArrayList 1
org.junit.ComparisonFailure$ComparisonCompactor$DiffExtractor 7
java.nio.file.InvalidPathException 1
org.junit.runners.model.InvalidTestClassError 1
java.nio.file.FileSystemException 1
java.net.URISyntaxException 1
java.util.regex.PatternSyntaxException 1
java.io.InvalidClassException 1
com.graphbuilder.math.func.AsinhFunction 1
java.lang.invoke.MethodHandleImpl$LoopClauses 1
sun.net.www.MessageHeader 1
java.time.temporal.ChronoField 1
com.graphbuilder.math.func.AtanhFunction 1
java.util.StringJoiner 1
com.graphbuilder.math.func.MinFunction 1
java.security.Provider$Service 1
java.time.format.DateTimePrintContext 1
java.nio.charset.CoderResult 1
org.junit.internal.SerializableValueDescription 1
java.time.format.DateTimeParseContext 1
java.util.ServiceLoader 1
java.net.URLConnection 1
java.lang.ProcessBuilder$RedirectPipeImpl 1
java.io.ObjectStreamField 1
java.nio.channels.FileLock 1
com.graphbuilder.math.func.EFunction 1
java.util.concurrent.ConcurrentLinkedQueue 1
java.time.temporal.ChronoUnit 1
java.util.concurrent.locks.AbstractQueuedSynchronizer 1
com.graphbuilder.math.func.MaxFunction 1
java.util.concurrent.locks.ReentrantLock 1
java.lang.invoke.MethodHandles$Lookup 1
java.security.PermissionCollection 1
java.nio.channels.FileChannel$MapMode 1
com.graphbuilder.math.func.CoshFunction 1
java.util.DoubleSummaryStatistics 1
java.io.ObjectStreamClass 1
com.graphbuilder.math.func.RandFunction 1
com.graphbuilder.math.func.SqrtFunction 1
sun.security.util.LazyCodeSourcePermissionCollection 1
com.graphbuilder.math.func.AcoshFunction 1
com.graphbuilder.math.func.AcosFunction 1
com.graphbuilder.math.func.SinhFunction 1
java.lang.ProcessBuilder$Redirect$3 1
java.lang.ProcessBuilder$Redirect$2 1
java.util.concurrent.locks.ReentrantReadWriteLock 1
java.lang.invoke.Invokers 1
java.lang.invoke.MethodHandle 1
java.lang.StackFrameInfo 1
com.graphbuilder.math.func.RoundFunction 1
java.time.format.DateTimeFormatterBuilder$CompositePrinterParser 1
com.graphbuilder.math.func.AbsFunction 1
java.net.Socket 1
java.lang.invoke.SerializedLambda 1
java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock 1
sun.security.util.JarConstraintsParameters 1
java.util.concurrent.atomic.AtomicBoolean 1
java.util.concurrent.ThreadPoolExecutor 1
sun.reflect.annotation.TypeAnnotation$TypeAnnotationTargetInfo 1
java.awt.geom.Rectangle2D$Double 1
com.graphbuilder.math.func.CombinFunction 1
java.util.concurrent.CompletableFuture 1
sun.util.locale.Extension 1
java.lang.module.Configuration 1
java.lang.ProcessBuilder$Redirect$6 1
java.lang.ModuleLayer 1
com.graphbuilder.math.func.LnFunction 1
com.graphbuilder.math.func.PiFunction 1
java.time.format.DateTimeFormatterBuilder$NumberPrinterParser 1
com.graphbuilder.math.func.TanFunction 1
com.graphbuilder.math.func.LgFunction 1
java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock 1
java.lang.ProcessImpl 1
com.graphbuilder.math.func.TanhFunction 1
com.graphbuilder.math.func.ExpFunction 1
java.net.SocketImpl 1
java.util.concurrent.FutureTask 1
com.graphbuilder.math.func.ModFunction 1
com.graphbuilder.math.func.AvgFunction 1
com.graphbuilder.math.func.FactFunction 1
java.security.AlgorithmParameters 1
java.security.ProtectionDomain 1
java.security.Permission 1
java.util.IntSummaryStatistics 1
java.lang.invoke.MethodTypeForm 1
com.graphbuilder.math.func.SinFunction 1
com.graphbuilder.math.func.CeilFunction 1
sun.reflect.annotation.AnnotationType 1
com.graphbuilder.math.func.PowFunction 1
java.time.format.Parsed 1
java.lang.ProcessBuilder$Redirect$1 1
com.graphbuilder.math.func.CosFunction 1
com.graphbuilder.math.func.AsinFunction 1
com.graphbuilder.math.func.AtanFunction 1
java.util.concurrent.LinkedBlockingQueue 1
java.lang.ProcessBuilder$Redirect$5 1
java.util.LongSummaryStatistics 1
com.graphbuilder.math.func.LogFunction 1
java.lang.ProcessBuilder$Redirect$4 1
java.nio.ByteOrder 1
java.nio.charset.CodingErrorAction 1
java.security.SecureRandomSpi 1
org.junit.internal.ComparisonCriteria$1 1
java.lang.IllegalStateException 1
jdk.internal.math.FloatingDecimal$PreparedASCIIToBinaryBuffer 2
com.graphbuilder.math.ValNode 1
com.graphbuilder.math.VarNode 1
com.graphbuilder.math.OpNode 3

Analyses and suggestions

Optimal target analysis

Remaining optimal interesting functions

The following table shows a list of functions that are optimal targets. Optimal targets are identified by finding the functions that in combination, yield a high code coverage.

Func name Functions filename Arg count Args Function depth hitcount instr count bb count cyclomatic complexity Reachable functions Incoming references total cyclomatic complexity Unreached complexity
[com.graphbuilder.org.apache.harmony.awt.gl.Crossing].intersectShape(java.awt.Shape,double,double,double,double) com.graphbuilder.org.apache.harmony.awt.gl.Crossing 5 ['java.awt.Shape', 'double', 'double', 'double', 'double'] 7 0 12 3 1 32 0 171 171
[com.graphbuilder.curve.NURBSpline].appendTo(com.graphbuilder.curve.MultiPath) com.graphbuilder.curve.NURBSpline 1 ['com.graphbuilder.curve.MultiPath'] 5 0 70 17 5 45 0 101 100
[com.graphbuilder.curve.ShapeMultiPath].intersects(double,double,double,double) com.graphbuilder.curve.ShapeMultiPath 4 ['double', 'double', 'double', 'double'] 8 0 84 33 9 30 1 144 89

Implementing fuzzers that target the above functions will improve reachability such that it becomes:

Functions statically reachable by fuzzers
15.0%
24 / 162
Cyclomatic complexity statically reachable by fuzzers
70.0%
108 / 154

All functions overview

If you implement fuzzers for these functions, the status of all functions in the project will be:

Func name Functions filename Args Function call depth Reached by Fuzzers Fuzzers runtime hit Func lines hit % I Count BB Count Cyclomatic complexity Functions reached Reached by functions Accumulated cyclomatic complexity Undiscovered complexity

Runtime coverage analysis

This section shows analysis of runtime coverage data.

For futher technical details on how this section is generated, please see the Glossary .

Complex functions with low coverage

Func name Function total lines Lines covered at runtime percentage covered Reached by fuzzers
[com.graphbuilder.math.FuncMap].loadDefaultFunctions() 34 0 0.0% []
[com.graphbuilder.org.apache.harmony.awt.gl.Crossing].solveCubic(double[][],double) 31 0 0.0%
[com.graphbuilder.org.apache.harmony.awt.gl.Crossing].intersectQuad(double,double,double,double,double,double,double,double,double,double) 39 0 0.0% []
[com.graphbuilder.org.apache.harmony.awt.gl.Crossing].intersectCubic(double,double,double,double,double,double,double,double,double,double,double,double) 41 0 0.0% []
[com.graphbuilder.org.apache.harmony.awt.gl.Crossing].intersectPath(java.awt.geom.PathIterator,double,double,double,double) 35 0 0.0% []
[com.graphbuilder.curve.CubicBSpline].eval(double[]) 64 0 0.0% []
[com.graphbuilder.curve.CubicBSpline].appendTo(com.graphbuilder.curve.MultiPath) 38 0 0.0% []
[com.graphbuilder.curve.LagrangeCurve].appendTo(com.graphbuilder.curve.MultiPath) 46 0 0.0% []
[com.graphbuilder.curve.BinaryCurveApproximationAlgorithm].genPts(com.graphbuilder.curve.ParametricCurve,double,double,com.graphbuilder.curve.MultiPath) 62 0 0.0% []
[com.graphbuilder.curve.BSpline].appendTo(com.graphbuilder.curve.MultiPath) 50 0 0.0% []
[com.graphbuilder.curve.BSpline].N(double,int) 51 0 0.0% []
[com.graphbuilder.curve.NaturalCubicSpline].precalc(int,int,boolean) 66 0 0.0% []
[com.graphbuilder.curve.NaturalCubicSpline].appendTo(com.graphbuilder.curve.MultiPath) 31 0 0.0% []
[com.graphbuilder.curve.GroupIterator]. (int[]) 33 0 0.0%
[com.graphbuilder.curve.GroupIterator].parseControlString(java.lang.String,int) 44 0 0.0% []

Files and Directories in report

This section shows which files and directories are considered in this report. The main reason for showing this is fuzz introspector may include more code in the reasoning than is desired. This section helps identify if too many files/directories are included, e.g. third party code, which may be irrelevant for the threat model. In the event too much is included, fuzz introspector supports a configuration file that can exclude data from the report. See the following link for more information on how to create a config file: link

Files in report

Source file Reached by Covered by
com.graphbuilder.curve.NaturalCubicSpline$SharedData [] []
com.graphbuilder.math.func.CombinFunction ['ParseFuzzer'] []
com.graphbuilder.math.AddNode ['ParseFuzzer'] []
com.graphbuilder.curve.BezierCurve$SharedData [] []
com.graphbuilder.math.func.AvgFunction ['ParseFuzzer'] []
com.graphbuilder.curve.LagrangeCurve$1 [] []
com.graphbuilder.math.func.ExpFunction ['ParseFuzzer'] []
com.graphbuilder.curve.ValueVector [] []
com.graphbuilder.org.apache.harmony.awt.gl.Crossing$QuadCurve [] []
com.graphbuilder.math.FuncMap [] []
com.graphbuilder.math.func.AbsFunction ['ParseFuzzer'] []
com.graphbuilder.math.func.SinhFunction ['ParseFuzzer'] []
java.io.BufferedWriter ['ParseFuzzer'] []
ParseFuzzer ['ParseFuzzer'] []
com.graphbuilder.math.ValNode ['ParseFuzzer'] []
com.graphbuilder.math.func.AtanFunction ['ParseFuzzer'] []
com.graphbuilder.math.MultNode ['ParseFuzzer'] []
com.graphbuilder.math.SubNode ['ParseFuzzer'] []
com.graphbuilder.math.ExpressionParseException ['ParseFuzzer'] []
java.util.concurrent.Executor [] []
java.lang.ProcessBuilder [] []
com.graphbuilder.math.func.MaxFunction ['ParseFuzzer'] []
com.graphbuilder.math.func.AcoshFunction ['ParseFuzzer'] []
com.graphbuilder.curve.Polyline [] []
com.graphbuilder.curve.BSpline [] []
com.graphbuilder.curve.CardinalSpline$SharedData [] []
com.graphbuilder.curve.MultiPath [] []
com.graphbuilder.geom.PointFactory [] []
com.graphbuilder.struc.Stack ['ParseFuzzer'] []
com.graphbuilder.math.FuncNode ['ParseFuzzer'] []
com.graphbuilder.curve.LagrangeCurve$SharedData [] []
com.graphbuilder.math.ExpressionTree ['ParseFuzzer'] []
java.io.PrintWriter ['ParseFuzzer'] []
java.lang.System ['ParseFuzzer'] []
com.graphbuilder.curve.ControlPath [] []
com.graphbuilder.curve.CubicBSpline$1 [] []
com.graphbuilder.math.func.SignFunction ['ParseFuzzer'] []
com.graphbuilder.math.func.PowFunction ['ParseFuzzer'] []
com.graphbuilder.math.func.SqrtFunction ['ParseFuzzer'] []
com.graphbuilder.math.func.CoshFunction ['ParseFuzzer'] []
com.graphbuilder.curve.ShapeMultiPathIterator [] []
com.graphbuilder.math.func.EFunction ['ParseFuzzer'] []
com.graphbuilder.curve.GroupIterator [] []
com.graphbuilder.math.func.FloorFunction ['ParseFuzzer'] []
com.graphbuilder.curve.NaturalCubicSpline$1 [] []
com.graphbuilder.math.func.AtanhFunction ['ParseFuzzer'] []
java.lang.Runtime [] []
com.graphbuilder.curve.NURBSpline$SharedData [] []
com.graphbuilder.math.PascalsTriangle$1 [] []
com.graphbuilder.curve.CatmullRomSpline$1 [] []
java.io.InputStream [] []
java.io.File ['ParseFuzzer'] []
com.graphbuilder.curve.BinaryCurveApproximationAlgorithm [] []
com.graphbuilder.math.func.AsinhFunction ['ParseFuzzer'] []
com.graphbuilder.math.PowNode ['ParseFuzzer'] []
com.graphbuilder.math.VarNode ['ParseFuzzer'] []
java.io.OutputStream [] []
com.graphbuilder.math.func.AcosFunction ['ParseFuzzer'] []
com.graphbuilder.math.func.LogFunction ['ParseFuzzer'] []
com.graphbuilder.org.apache.harmony.awt.gl.Crossing [] []
java.nio.file.Files [] []
com.graphbuilder.curve.NURBSpline [] []
com.graphbuilder.math.func.RoundFunction ['ParseFuzzer'] []
com.graphbuilder.struc.Bag ['ParseFuzzer'] []
com.graphbuilder.curve.CubicBSpline [] []
com.graphbuilder.curve.CardinalSpline [] []
com.graphbuilder.curve.LagrangeCurve [] []
com.graphbuilder.curve.BezierCurve [] []
com.graphbuilder.curve.ControlStringParseException ['ParseFuzzer'] []
com.graphbuilder.curve.CatmullRomSpline$SharedData [] []
com.graphbuilder.math.VarMap [] []
com.graphbuilder.math.func.RandFunction ['ParseFuzzer'] []
com.graphbuilder.math.func.TanhFunction ['ParseFuzzer'] []
com.graphbuilder.curve.BSpline$1 [] []
com.graphbuilder.curve.CubicBSpline$SharedData [] []
java.util.concurrent.Callable [] []
com.graphbuilder.math.func.FactFunction ['ParseFuzzer'] []
com.graphbuilder.math.func.CeilFunction ['ParseFuzzer'] []
com.graphbuilder.curve.CatmullRomSpline [] []
com.graphbuilder.struc.LinkedList$Node ['ParseFuzzer'] []
com.graphbuilder.curve.BezierCurve$1 [] []
com.graphbuilder.math.func.SumFunction ['ParseFuzzer'] []
com.graphbuilder.math.func.MinFunction ['ParseFuzzer'] []
com.graphbuilder.math.func.CosFunction ['ParseFuzzer'] []
com.graphbuilder.curve.NURBSpline$1 [] []
com.graphbuilder.math.func.LnFunction ['ParseFuzzer'] []
com.graphbuilder.math.DivNode ['ParseFuzzer'] []
com.graphbuilder.geom.Geom [] []
com.graphbuilder.math.PascalsTriangle [] []
com.graphbuilder.struc.LinkedList ['ParseFuzzer'] []
com.graphbuilder.curve.ShapeMultiPath [] []
com.graphbuilder.math.PascalsTriangle$SharedData [] []
com.graphbuilder.math.func.SinFunction ['ParseFuzzer'] []
com.graphbuilder.math.func.ModFunction ['ParseFuzzer'] []
com.graphbuilder.curve.CardinalSpline$1 [] []
com.graphbuilder.curve.BSpline$SharedData [] []
com.graphbuilder.curve.NaturalCubicSpline [] []
com.graphbuilder.math.func.LgFunction ['ParseFuzzer'] []
com.graphbuilder.math.func.PiFunction ['ParseFuzzer'] []
java.io.BufferedReader ['ParseFuzzer'] []
com.graphbuilder.math.func.TanFunction ['ParseFuzzer'] []
java.nio.file.Paths [] []
com.graphbuilder.math.func.AsinFunction ['ParseFuzzer'] []
com.graphbuilder.org.apache.harmony.awt.gl.Crossing$CubicCurve [] []
com.graphbuilder.geom.PointFactory$Point2D [] []

Directories in report

Directory