Fuzz introspector: XZEncoderFuzzer
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
59 0 EP call site: 00000 [org.tukaani.xz.XZOutputStream].finish()

Fuzzer calltree

0 [XZEncoderFuzzer].fuzzerTestOneInput(com.code_intelligence.jazzer.api.FuzzedDataProvider) [function] [call site] 00000
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeBytes(int) [function] [call site] 00001
1 [java.io.ByteArrayInputStream].<init>(byte[]) [function] [call site] 00002
1 [java.io.ByteArrayOutputStream].<init>() [function] [call site] 00003
1 [org.tukaani.xz.LZMA2Options].<init>() [function] [call site] 00004
2 [org.tukaani.xz.LZMA2Options].setPreset(int) [function] [call site] 00005
3 [org.tukaani.xz.UnsupportedOptionsException].<init>(String) [function] [call site] 00006
4 [org.tukaani.xz.XZIOException].<init>(String) [function] [call site] 00007
5 [java.io.IOException].<init>(String) [function] [call site] 00008
2 [RuntimeException].<init>() [function] [call site] 00009
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeInt(int,int) [function] [call site] 00010
1 [org.tukaani.xz.LZMA2Options].setPreset(int) [function] [call site] 00011
1 [RuntimeException].<init>(XZEncoderFuzzer) [function] [call site] 00012
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeBytes(int) [function] [call site] 00013
1 [org.tukaani.xz.XZOutputStream].<init>(java.io.ByteArrayOutputStream,org.tukaani.xz.LZMA2Options) [function] [call site] 00014
1 [org.tukaani.xz.XZOutputStream].write(byte[],int,XZEncoderFuzzer) [function] [call site] 00015
1 [org.tukaani.xz.XZOutputStream].finish() [function] [call site] 00016
2 [org.tukaani.xz.XZOutputStream].endBlock() [function] [call site] 00017
3 [org.tukaani.xz.XZIOException].<init>(String) [function] [call site] 00018
3 [org.tukaani.xz.BlockOutputStream].finish() [function] [call site] 00019
4 [org.tukaani.xz.FinishableOutputStream].finish() [function] [call site] 00020
4 [org.tukaani.xz.BlockOutputStream].validate() [function] [call site] 00021
5 [org.tukaani.xz.CountingOutputStream].getSize() [function] [call site] 00022
5 [org.tukaani.xz.XZIOException].<init>(String) [function] [call site] 00023
4 [org.tukaani.xz.CountingOutputStream].getSize() [function] [call site] 00024
4 [java.io.OutputStream].write(int) [function] [call site] 00025
4 [org.tukaani.xz.check.Check].finish() [function] [call site] 00026
4 [java.io.OutputStream].write(byte[]) [function] [call site] 00027
3 [org.tukaani.xz.BlockOutputStream].getUnpaddedSize() [function] [call site] 00028
4 [org.tukaani.xz.CountingOutputStream].getSize() [function] [call site] 00029
4 [org.tukaani.xz.check.Check].getSize() [function] [call site] 00030
3 [org.tukaani.xz.BlockOutputStream].getUncompressedSize() [function] [call site] 00031
3 [org.tukaani.xz.index.IndexEncoder].add(long,long) [function] [call site] 00032
4 [org.tukaani.xz.index.IndexBase].add(long,long) [function] [call site] 00033
5 [org.tukaani.xz.common.Util].getVLISize(long) [function] [call site] 00034
5 [org.tukaani.xz.common.Util].getVLISize(long) [function] [call site] 00035
5 [org.tukaani.xz.index.IndexBase].getIndexSize() [function] [call site] 00036
6 [org.tukaani.xz.index.IndexBase].getUnpaddedIndexSize() [function] [call site] 00037
7 [org.tukaani.xz.common.Util].getVLISize(long) [function] [call site] 00038
5 [org.tukaani.xz.index.IndexBase].getStreamSize() [function] [call site] 00039
6 [org.tukaani.xz.index.IndexBase].getIndexSize() [function] [call site] 00040
4 [org.tukaani.xz.index.IndexRecord].<init>(long,long) [function] [call site] 00041
4 [java.util.ArrayList<org.tukaani.xz.index.IndexRecord>].add(org.tukaani.xz.index.IndexRecord) [function] [call site] 00042
2 [org.tukaani.xz.index.IndexEncoder].encode(java.io.OutputStream) [function] [call site] 00043
3 [java.util.zip.CRC32].<init>() [function] [call site] 00044
3 [java.util.zip.CheckedOutputStream].<init>(java.io.OutputStream,java.util.zip.CRC32) [function] [call site] 00045
3 [java.util.zip.CheckedOutputStream].write(int) [function] [call site] 00046
3 [org.tukaani.xz.common.EncoderUtil].encodeVLI(java.util.zip.CheckedOutputStream,org.tukaani.xz.index.IndexEncoder) [function] [call site] 00047
3 [org.tukaani.xz.common.EncoderUtil].encodeVLI(java.util.zip.CheckedOutputStream,org.tukaani.xz.index.IndexEncoder) [function] [call site] 00048
3 [org.tukaani.xz.common.EncoderUtil].encodeVLI(java.util.zip.CheckedOutputStream,org.tukaani.xz.index.IndexEncoder) [function] [call site] 00049
3 [org.tukaani.xz.index.IndexEncoder].getIndexPaddingSize() [function] [call site] 00050
3 [java.util.zip.CheckedOutputStream].write(int) [function] [call site] 00051
3 [java.util.zip.CRC32].getValue() [function] [call site] 00052
3 [java.io.OutputStream].write(byte) [function] [call site] 00053
2 [org.tukaani.xz.XZOutputStream].encodeStreamFooter() [function] [call site] 00054
3 [org.tukaani.xz.index.IndexEncoder].getIndexSize() [function] [call site] 00055
3 [org.tukaani.xz.XZOutputStream].encodeStreamFlags(org.tukaani.xz.XZOutputStream,int) [function] [call site] 00056
3 [org.tukaani.xz.common.EncoderUtil].writeCRC32(java.io.OutputStream,org.tukaani.xz.XZOutputStream) [function] [call site] 00057
3 [java.io.OutputStream].write(org.tukaani.xz.XZOutputStream) [function] [call site] 00058
3 [java.io.OutputStream].write(byte[]) [function] [call site] 00059