diff --git a/code/AssetLib/Collada/ColladaParser.cpp b/code/AssetLib/Collada/ColladaParser.cpp index ee7a395d9..145323a22 100644 --- a/code/AssetLib/Collada/ColladaParser.cpp +++ b/code/AssetLib/Collada/ColladaParser.cpp @@ -1786,6 +1786,9 @@ size_t ColladaParser::ReadPrimitives(XmlNode &node, Mesh &pMesh, std::vectormData) { acc->mData = &ResolveLibraryReference(mDataLibrary, acc->mSource); + if (acc->mOffset + acc->mCount * acc->mStride > acc->mData->mValues.size()) { + throw DeadlyImportError("Not enough data for accessor"); + } } } // and the same for the per-index channels @@ -1810,6 +1813,9 @@ size_t ColladaParser::ReadPrimitives(XmlNode &node, Mesh &pMesh, std::vectormData) { acc->mData = &ResolveLibraryReference(mDataLibrary, acc->mSource); + if (acc->mOffset + acc->mCount * acc->mStride > acc->mData->mValues.size()) { + throw DeadlyImportError("Not enough data for accessor"); + } } } diff --git a/test/models/invalid/box_nested_animation_4286.dae b/test/models/invalid/box_nested_animation_4286.dae new file mode 100644 index 000000000..2def61d20 --- /dev/null +++ b/test/models/invalid/box_nested_animation_4286.dae @@ -0,0 +1,196 @@ + + + + + Blender User + Blender 2.80.40 commit date:2019-01-07, commit time:23:37, hash:91a155833e59 + + 2019-01-08T17:44:11 + 2019-01-08T17:44:11 + + Z_UP + + + + + + + + 0.8 0.8 0.8 1 + + + 0 0.5 0 1 + + + + + + + + + + + + + + + + + 1 1 1 1 1 -1 1 -1 1 1 -1 -1 -1 1 1 -1 1 -1 -1 -1 1 -1 -1 -1 + + + + + + + + + + 0 0 1 0 -1 0 -1 0 0 0 0 -1 1 0 0 0 1 0 + + + + + + + + + + 0.625 0 0.375 0.25 0.375 0 0.625 0.25 0.375 0.5 0.375 0.25 0.625 0.5 0.375 0.75 0.375 0.5 0.625 0.75 0.375 1 0.375 0.75 0.375 0.5 0.125 0.75 0.125 0.5 0.875 0.5 0.625 0.75 0.625 0.5 0.625 0 0.625 0.25 0.375 0.25 0.625 0.25 0.625 0.5 0.375 0.5 0.625 0.5 0.625 0.75 0.375 0.75 0.625 0.75 0.625 1 0.375 1 0.375 0.5 0.375 0.75 0.125 0.75 0.875 0.5 0.875 0.75 0.625 0.75 + + + + + + + + + + + + + + + 3 3 3 3 3 3 3 3 3 3 3 3 +

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LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR + + + + + + + + + + + + + + + + + + + 1 0 0 1 0 1 0 -1 0 0 1 0 0 0 0 1 + + 0.7886751 -0.5773503 -0.211325 0 0.2113248 0.5773503 -0.7886751 0 0.5773503 0.5773503 0.5773502 0 0 0 0 1 + + + 0 + -0.5235989 + -2 + 2 + 2 + + + + + 0 0 0 + 0 0 1 0 + 0 1 0 0 + 1 0 0 0 + 1 1 1 + + #Armature_Bone + + + + + + + + + + + + + + + + diff --git a/test/models/invalid/readme.txt b/test/models/invalid/readme.txt index 6ad8b4380..ad144ca36 100644 --- a/test/models/invalid/readme.txt +++ b/test/models/invalid/readme.txt @@ -18,6 +18,9 @@ crash. FILES ********************************************************* +box_nested_animation_4286.dae - This was reported as GH#4286. + The "count" parameter in "Cube-mesh-positions-array" is too small. + OutOfMemory.off - the number of faces is invalid. There won't be enough memory so std::vector::reserve() will most likely fail. The exception should be caught in Importer.cpp. diff --git a/test/unit/utColladaImportExport.cpp b/test/unit/utColladaImportExport.cpp index e2842732e..52a927b12 100644 --- a/test/unit/utColladaImportExport.cpp +++ b/test/unit/utColladaImportExport.cpp @@ -357,6 +357,14 @@ TEST_F(utColladaImportExport, exporterUniqueIdsTest) { ImportAsNames(outFileNamed, scene); } +// This file is invalid, we just want to ensure that the importer is not crashing +// This was reported as GH#4286. The "count" parameter in "Cube-mesh-positions-array" is too small. +TEST_F(utColladaImportExport, parseInvalid4286) { + Assimp::Importer importer; + const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/invalid/box_nested_animation_4286.dae", 0); + EXPECT_EQ(nullptr, scene); +} + #endif class utColladaZaeImportExport : public AbstractImportExportBase {