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Fix: Check if index for mesh access is out of range

pull/5316/head
Kim Kulling 2023-11-22 10:02:29 +01:00 committed by Kim Kulling
parent 254619901b
commit 77a8f019e3
1 changed files with 5 additions and 0 deletions
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5
code/AssetLib/Blender/BlenderModifier.cpp
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@ -283,6 +283,11 @@ void BlenderModifier_Subdivision ::DoIt(aiNode &out, ConversionData &conv_data,
if (conv_data.meshes->empty()) { if (conv_data.meshes->empty()) {
return; return;
} }
const size_t meshIndex = conv_data.meshes->size() - out.mNumMeshes;
if (meshIndex >= conv_data.meshes->size()) {
ASSIMP_LOG_ERROR("Invalid index detected.");
return;
}
aiMesh **const meshes = &conv_data.meshes[conv_data.meshes->size() - out.mNumMeshes]; aiMesh **const meshes = &conv_data.meshes[conv_data.meshes->size() - out.mNumMeshes];
std::unique_ptr<aiMesh *[]> tempmeshes(new aiMesh *[out.mNumMeshes]()); std::unique_ptr<aiMesh *[]> tempmeshes(new aiMesh *[out.mNumMeshes]());