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Fixes Heap-buffer-overflow READ 4 in Assimp::ScenePreprocessor::ProcessMesh 

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=49797
pull/4836/head
Alex 2022-12-10 01:22:00 +00:00 committed by GitHub
parent 0fdae2879d
commit d5294be00b
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1 changed files with 4 additions and 3 deletions
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code/AssetLib/OFF/OFFLoader.cpp
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@ -292,6 +292,7 @@ void OFFImporter::InternReadFile( const std::string& pFile, aiScene* pScene, IOS
if(!idx || idx > 9) { if(!idx || idx > 9) {
ASSIMP_LOG_ERROR("OFF: Faces with zero indices aren't allowed"); ASSIMP_LOG_ERROR("OFF: Faces with zero indices aren't allowed");
--mesh->mNumFaces; --mesh->mNumFaces;
++i;
continue; continue;
} }
faces->mNumIndices = idx; faces->mNumIndices = idx;