Fuzz introspector: POIHPSFFuzzer
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
2 16 [org.apache.poi.POIDocument]. (org.apache.poi.poifs.filesystem.POIFSFileSystem) call site: {node_id}
1 7 [org.apache.poi.POIHPSFFuzzer].fuzzerTestOneInput(byte[]) call site: {node_id}
1 9 [org.apache.poi.hpsf.HPSFPropertiesOnlyDocument]. (org.apache.poi.poifs.filesystem.POIFSFileSystem) call site: {node_id}

Fuzzer calltree

0 [org.apache.poi.POIHPSFFuzzer].fuzzerTestOneInput(byte[]) [function] [call site] 00000
1 [java.io.ByteArrayInputStream].<init>(byte[]) [function] [call site] 00001
1 [org.apache.poi.poifs.filesystem.POIFSFileSystem].<init>(java.io.ByteArrayInputStream) [function] [call site] 00002
1 [org.apache.poi.hssf.usermodel.HSSFWorkbook].getWorkbookDirEntryName(org.apache.poi.POIHPSFFuzzer) [function] [call site] 00003
1 [org.apache.poi.hpsf.HPSFPropertiesOnlyDocument].<init>(org.apache.poi.POIHPSFFuzzer) [function] [call site] 00004
1 [java.io.ByteArrayInputStream].<init>(byte[]) [function] [call site] 00005
1 [org.apache.poi.poifs.filesystem.POIFSFileSystem].<init>(java.io.ByteArrayInputStream) [function] [call site] 00006
1 [org.apache.poi.hpsf.extractor.HPSFPropertiesExtractor].<init>(org.apache.poi.poifs.filesystem.POIFSFileSystem) [function] [call site] 00007
2 [org.apache.poi.hpsf.HPSFPropertiesOnlyDocument].<init>(org.apache.poi.poifs.filesystem.POIFSFileSystem) [function] [call site] 00008
3 [org.apache.poi.POIDocument].<init>(org.apache.poi.poifs.filesystem.POIFSFileSystem) [function] [call site] 00009
4 [org.apache.poi.logging.PoiLogManager].getLogger() [function] [call site] 00010
4 [org.apache.poi.poifs.filesystem.POIFSFileSystem].getRoot() [function] [call site] 00011
5 [org.apache.poi.poifs.property.PropertyTable].getRoot() [function] [call site] 00012
6 [java.util.List<org.apache.poi.poifs.property.Property>].get(int) [function] [call site] 00013
6 [IllegalStateException].<init>(String) [function] [call site] 00014
5 [org.apache.poi.poifs.filesystem.DirectoryNode].<init>(org.apache.poi.poifs.property.RootProperty,null) [function] [call site] 00015
4 [org.apache.poi.POIDocument].<init>(org.apache.poi.poifs.filesystem.DirectoryNode) [function] [call site] 00016
5 [org.apache.poi.logging.PoiLogManager].getLogger() [function] [call site] 00017
1 [org.apache.poi.POIFuzzer].checkExtractor(org.apache.poi.POIHPSFFuzzer) [function] [call site] 00018