Project: zxing

Language java
OSS-Fuzz project link
Project repository link
Build status: Fuzzers succeeding: Build log
Build status: Code coverage succeeding: Build log
Build status: Fuzz Introspector succeeding: Build log
Fuzzer count 2
Lines of code 21575
Lines covered 10285
Code coverage 47.67%
Code coverage report Report link
Static reachability 0.54%
Fuzz Introspector report Report link (from 2026-08-14)

Historical Progression

Functions of interest to fuzz

This section outlines functions that may be of interest to fuzz. They are based on ranking functions that have a lot of complexity but currently exhibit low code coverage. The complexity is calculated based on the function itself as well as the functions called by the given function, i.e. the tree of code that the function triggers.


This is only a minor amount of introspection information available for this project. Please consult the Fuzz Introspector report for more information, e.g. the introspection table of all functions in the target project available here.

Function name Function source file Accumulated cyclomatic complexity Code coverage
[com.google.zxing.qrcode.QRCodeReader].decode(com.google.zxing.BinaryBitmap,java.util.Map<com.google.zxing.DecodeHintType,?>) /src/zxing/core/src/main/java/com/google/zxing/qrcode/QRCodeReader.java 274 0.0%
[com.google.zxing.datamatrix.DataMatrixReader].decode(com.google.zxing.BinaryBitmap,java.util.Map<com.google.zxing.DecodeHintType,?>) /src/zxing/core/src/main/java/com/google/zxing/datamatrix/DataMatrixReader.java 229 0.0%
[com.google.zxing.aztec.detector.DetectorTest].testErrorInParameterLocatorZeroZero() /src/zxing/core/src/test/java/com/google/zxing/aztec/detector/DetectorTest.java 164 0.0%
[com.google.zxing.aztec.detector.DetectorTest].testErrorInParameterLocatorCompact() /src/zxing/core/src/test/java/com/google/zxing/aztec/detector/DetectorTest.java 164 0.0%
[com.google.zxing.aztec.AztecReader].decode(com.google.zxing.BinaryBitmap,java.util.Map<com.google.zxing.DecodeHintType,?>) /src/zxing/core/src/main/java/com/google/zxing/aztec/AztecReader.java 159 0.0%
[com.google.zxing.qrcode.encoder.Encoder].encode(String,com.google.zxing.qrcode.decoder.ErrorCorrectionLevel,java.util.Map<com.google.zxing.EncodeHintType,?>) /src/zxing/core/src/main/java/com/google/zxing/qrcode/encoder/Encoder.java 157 0.0%
[com.google.zxing.maxicode.MaxiCodeReader].decode(com.google.zxing.BinaryBitmap,java.util.Map<com.google.zxing.DecodeHintType,?>) /src/zxing/core/src/main/java/com/google/zxing/maxicode/MaxiCodeReader.java 146 0.0%
[com.google.zxing.qrcode.decoder.Decoder].decode(boolean[][],java.util.Map<com.google.zxing.DecodeHintType,?>) /src/zxing/core/src/main/java/com/google/zxing/qrcode/decoder/Decoder.java 139 0.0%
[com.google.zxing.oned.Code128Reader].decodeRow(int,com.google.zxing.common.BitArray,java.util.Map<com.google.zxing.DecodeHintType,?>) /src/zxing/core/src/main/java/com/google/zxing/oned/Code128Reader.java 133 0.0%
[com.google.zxing.qrcode.decoder.Decoder].decode(com.google.zxing.common.BitMatrix,java.util.Map<com.google.zxing.DecodeHintType,?>) /src/zxing/core/src/main/java/com/google/zxing/qrcode/decoder/Decoder.java 131 0.0%