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Merge pull request #24101 from LaurentBerger:I24076

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Invalid memory access fix for ONNX split layer parser #24076 #24101

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [x] There is a reference to the original bug report and related work https://github.com/opencv/opencv/issues/24076
- [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [x] The feature is well documented and sample code can be built with the project CMake
This commit is contained in:
Laurent Berger 2023-08-04 11:18:49 +02:00 committed by GitHub
parent 5466fd2606
commit 2ff16d4c45
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1 changed files with 11 additions and 5 deletions
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16
modules/dnn/src/onnx/onnx_importer.cpp
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@ -1385,13 +1385,19 @@ void ONNXImporter::parseSplit(LayerParams& layerParams, const opencv_onnx::NodeP
CV_Assert(constBlobs.find(node_proto.input(1)) != constBlobs.end());
Mat splitsBlob = getBlob(node_proto, 1);
int splitSize = splitsBlob.total();
std::vector<int> slicePoints(splitSize - 1, splitsBlob.at<int>(0));
for (int i = 1; i < splitSize - 1; ++i)
if (splitSize == 1)
{
slicePoints[i] = slicePoints[i - 1] + splitsBlob.at<int>(i);
layerParams.set("num_split", 1);
}
else
{
std::vector<int> slicePoints(splitSize - 1, splitsBlob.at<int>(0));
for (int i = 1; i < splitSize - 1; ++i)
{
slicePoints[i] = slicePoints[i - 1] + splitsBlob.at<int>(i);
}
layerParams.set("slice_point", DictValue::arrayInt(&slicePoints[0], slicePoints.size()));
}
layerParams.set("slice_point", DictValue::arrayInt(&slicePoints[0], slicePoints.size()));
}
else
{