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| author | Even Rouault <even.rouault@spatialys.com> | 2021-11-15 18:58:45 +0100 |
|---|---|---|
| committer | Even Rouault <even.rouault@spatialys.com> | 2021-11-15 18:59:03 +0100 |
| commit | 93a0de1018ecfd704345edd62e851ef3b7c3a1fd (patch) | |
| tree | 85973d17ace91d23277b1b0e6fe97a46e4eda5d2 | |
| parent | aeba9bdfe3beffc481b33d647ccf478df03c08a9 (diff) | |
| download | PROJ-93a0de1018ecfd704345edd62e851ef3b7c3a1fd.tar.gz PROJ-93a0de1018ecfd704345edd62e851ef3b7c3a1fd.zip | |
createOperationsGeogToGeog(): avoid potential harmless floating-point division by zero. Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41045
| -rw-r--r-- | src/iso19111/operation/coordinateoperationfactory.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/iso19111/operation/coordinateoperationfactory.cpp b/src/iso19111/operation/coordinateoperationfactory.cpp index 3dc7e290..035fbab9 100644 --- a/src/iso19111/operation/coordinateoperationfactory.cpp +++ b/src/iso19111/operation/coordinateoperationfactory.cpp @@ -2427,8 +2427,9 @@ CoordinateOperationFactory::Private::createOperationsGeogToGeog( util::IComparable::Criterion::EQUIVALENT)) { if (offset_pm.value() == 0 && !axisReversal2D && !axisReversal3D) { // If only by vertical units, use a Change of Vertical - // Unit - // transformation + // Unit transformation + if (vconvDst == 0) + throw InvalidOperation("Conversion factor of target unit is 0"); const double factor = vconvSrc / vconvDst; auto conv = Conversion::createChangeVerticalUnit( util::PropertyMap().set(common::IdentifiedObject::NAME_KEY, |