Project: geos

Language c++
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 3
Lines of code 61594
Lines covered 26237
Code coverage 42.60%
Code coverage report Report link
Static reachability 34.67%
Fuzz Introspector report Report link (from 2026-10-28)
Fuzzer Code coverage (lines) Latest Report Comments
fuzz_geo2 (plot) 19.42% (avg: 19.46%, max: 19.64%) 2026-10-28
fuzz_geo_ops (plot) 36.28% (avg: 36.37%, max: 36.72%) 2026-10-28
fuzz_geojson (plot) 4.6% (avg: 4.61%, max: 4.66%) 2026-10-28

Historical Progression

Per Fuzzer Progression

This section shows graphs for the coverage results per fuzz target over the past 30 days. Included are the coverage percentage, total number of lines, covered number of lines, and the number of coverage inputs.

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
GEOSSubdivideByGrid /src/geos/capi/geos_c.cpp 10433 0.0%
GEOSSubdivideByGrid_r /src/geos/capi/geos_ts_c.cpp 10431 0.0%
_Z7executeIN12_GLOBAL__N_116InterruptManagerENS0_15DefaultProgressEZ23convertCurvesAndExecuteIS1_S2_Z21GEOSSubdivideByGrid_rE3$_0EPN4geos4geom8GeometryEP20GEOSContextHandle_HSPKS7_OT1_EUlvE_TnNSt3__19enable_ifIXntsr3std7is_voidIDTclclsr3stdE7declvalISD_EEEEEE5valueEDnE4typeELDn0EEDTclfp0_EESA_SE_ /src/geos/capi/geos_ts_c.cpp 10427 0.0%
geos::operation::grid::GridIntersection::subdividePolygon(geos::operation::grid::Grid<geos::operation::grid::bounded_extent>const&,geos::geom::Geometryconst&,bool) /src/geos/src/operation/grid/GridIntersection.cpp 10319 0.0%
geos::operation::grid::Cell::getCoveredPolygons(geos::geom::GeometryFactoryconst&)const /src/geos/src/operation/grid/Cell.cpp 9646 0.0%
GEOSMakeValidWithParams /src/geos/capi/geos_c.cpp 9613 0.0%
geos::operation::grid::TraversalAreas::getLeftHandRings(geos::geom::GeometryFactoryconst&,geos::geom::Envelopeconst&,std::__1::vector<geos::operation::grid::Traversalconst*,std::__1::allocator<geos::operation::grid::Traversalconst*>>const&) /src/geos/src/operation/grid/TraversalAreas.cpp 9603 0.0%
GEOSSingleSidedBuffer /src/geos/capi/geos_c.cpp 9390 0.0%
GEOSSingleSidedBuffer_r /src/geos/capi/geos_ts_c.cpp 9388 0.0%
_Z7executeIN12_GLOBAL__N_116InterruptManagerENS0_15DefaultProgressEZ23GEOSSingleSidedBuffer_rE3$_0TnNSt3__19enable_ifIXntsr3std7is_voidIDTclclsr3stdE7declvalIT1_EEEEEE5valueEDnE4typeELDn0EEDTclfp0_EEP20GEOSContextHandle_HSOS6_ /src/geos/capi/geos_ts_c.cpp 9386 0.0%