==17792== Invalid read of size 8
==17792==    at 0x553AC42: FMallocAnsi::Free(void*) (MallocAnsi.h:115)
==17792==    by 0x55074A9: FMallocThreadSafeProxy::Free(void*) (MallocThreadSafeProxy.h:72)
==17792==    by 0x53EAA2E: FMemory::Free(void*) (UnrealMemory.cpp:92)
==17792==    by 0x49A5A2A0: operator delete(void*) (MeshUtilities.cpp:149)
==17792==    by 0x49AE332A: Forsyth::OptimizeFaces(unsigned int const*, unsigned int, unsigned int, unsigned int*, unsigned short) (in /home/jcorbier/code/game/engines/UnrealEngine/Engine/Binaries/Linux/libUE4Editor-MeshUtilities-Linux-Debug.so)
==17792==    by 0x49A5A7D0: Forsyth::OptimizeFaces(unsigned char const*, bool, unsigned int, unsigned int, unsigned int*, unsigned short) (MeshUtilities.cpp:627)
==17792==    by 0x49AAEA13: void Forsyth::CacheOptimizeIndexBuffer<unsigned int, FDefaultAllocator>(TArray<unsigned int, FDefaultAllocator>&) (MeshUtilities.cpp:667)
==17792==    by 0x49A5AA84: FMeshUtilities::CacheOptimizeIndexBuffer(TArray<unsigned int, FDefaultAllocator>&) (MeshUtilities.cpp:703)
==17792==    by 0x49A69918: FMeshUtilities::CacheOptimizeVertexAndIndexBuffer(TArray<FStaticMeshBuildVertex, FDefaultAllocator>&, TArray<TArray<unsigned int, FDefaultAllocator>, FDefaultAllocator>&, TArray<int, FDefaultAllocator>&) (MeshUtilities.cpp:2218)
==17792==    by 0x49A6DDA7: FMeshUtilities::BuildStaticMesh(FStaticMeshRenderData&, TArray<FStaticMeshSourceModel, FDefaultAllocator>&, FStaticMeshLODGroup const&) (MeshUtilities.cpp:2459)
==17792==    by 0x8F12E89: FStaticMeshRenderData::Cache(UStaticMesh*, FStaticMeshLODSettings const&) (StaticMesh.cpp:1144)
==17792==    by 0x8F1C03C: UStaticMesh::CacheDerivedData() (StaticMesh.cpp:1642)
==17792==  Address 0x4b94f4d8 is 8 bytes before a block of size 47,616 alloc'd
==17792==    at 0x4C2B0E0: operator new(unsigned long) (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==17792==    by 0x3A8061E3: std::vector<unsigned int, std::allocator<unsigned int> >::_M_fill_insert(__gnu_cxx::__normal_iterator<unsigned int*, std::vector<unsigned int, std::allocator<unsigned int> > >, unsigned long, unsigned int const&) (in /usr/lib/x86_64-linux-gnu/libLLVM-3.5.so.1)
==17792==    by 0x49AE336E: Forsyth::OptimizeFaces(unsigned int const*, unsigned int, unsigned int, unsigned int*, unsigned short) (in /home/jcorbier/code/game/engines/UnrealEngine/Engine/Binaries/Linux/libUE4Editor-MeshUtilities-Linux-Debug.so)
==17792==    by 0x49A5A7D0: Forsyth::OptimizeFaces(unsigned char const*, bool, unsigned int, unsigned int, unsigned int*, unsigned short) (MeshUtilities.cpp:627)
==17792==    by 0x49AAEA13: void Forsyth::CacheOptimizeIndexBuffer<unsigned int, FDefaultAllocator>(TArray<unsigned int, FDefaultAllocator>&) (MeshUtilities.cpp:667)
==17792==    by 0x49A5AA84: FMeshUtilities::CacheOptimizeIndexBuffer(TArray<unsigned int, FDefaultAllocator>&) (MeshUtilities.cpp:703)
==17792==    by 0x49A69918: FMeshUtilities::CacheOptimizeVertexAndIndexBuffer(TArray<FStaticMeshBuildVertex, FDefaultAllocator>&, TArray<TArray<unsigned int, FDefaultAllocator>, FDefaultAllocator>&, TArray<int, FDefaultAllocator>&) (MeshUtilities.cpp:2218)
==17792==    by 0x49A6DDA7: FMeshUtilities::BuildStaticMesh(FStaticMeshRenderData&, TArray<FStaticMeshSourceModel, FDefaultAllocator>&, FStaticMeshLODGroup const&) (MeshUtilities.cpp:2459)
==17792==    by 0x8F12E89: FStaticMeshRenderData::Cache(UStaticMesh*, FStaticMeshLODSettings const&) (StaticMesh.cpp:1144)
==17792==    by 0x8F1C03C: UStaticMesh::CacheDerivedData() (StaticMesh.cpp:1642)
==17792==    by 0x8F21FFD: UStaticMesh::PostLoad() (StaticMesh.cpp:1876)
==17792==    by 0x63B68B4: UObject::ConditionalPostLoad() (Obj.cpp:600)
==17792==
==17792== Invalid free() / delete / delete[] / realloc()
==17792==    at 0x4C2BDEC: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==17792==    by 0x553AC4A: FMallocAnsi::Free(void*) (MallocAnsi.h:115)
==17792==    by 0x55074A9: FMallocThreadSafeProxy::Free(void*) (MallocThreadSafeProxy.h:72)
==17792==    by 0x53EAA2E: FMemory::Free(void*) (UnrealMemory.cpp:92)
==17792==    by 0x49A5A2A0: operator delete(void*) (MeshUtilities.cpp:149)
==17792==    by 0x49AE332A: Forsyth::OptimizeFaces(unsigned int const*, unsigned int, unsigned int, unsigned int*, unsigned short) (in /home/jcorbier/code/game/engines/UnrealEngine/Engine/Binaries/Linux/libUE4Editor-MeshUtilities-Linux-Debug.so)
==17792==    by 0x49A5A7D0: Forsyth::OptimizeFaces(unsigned char const*, bool, unsigned int, unsigned int, unsigned int*, unsigned short) (MeshUtilities.cpp:627)
==17792==    by 0x49AAEA13: void Forsyth::CacheOptimizeIndexBuffer<unsigned int, FDefaultAllocator>(TArray<unsigned int, FDefaultAllocator>&) (MeshUtilities.cpp:667)
==17792==    by 0x49A5AA84: FMeshUtilities::CacheOptimizeIndexBuffer(TArray<unsigned int, FDefaultAllocator>&) (MeshUtilities.cpp:703)
==17792==    by 0x49A69918: FMeshUtilities::CacheOptimizeVertexAndIndexBuffer(TArray<FStaticMeshBuildVertex, FDefaultAllocator>&, TArray<TArray<unsigned int, FDefaultAllocator>, FDefaultAllocator>&, TArray<int, FDefaultAllocator>&) (MeshUtilities.cpp:2218)
==17792==    by 0x49A6DDA7: FMeshUtilities::BuildStaticMesh(FStaticMeshRenderData&, TArray<FStaticMeshSourceModel, FDefaultAllocator>&, FStaticMeshLODGroup const&) (MeshUtilities.cpp:2459)
==17792==    by 0x8F12E89: FStaticMeshRenderData::Cache(UStaticMesh*, FStaticMeshLODSettings const&) (StaticMesh.cpp:1144)
==17792==  Address 0x6f00000063 is not stack'd, malloc'd or (recently) free'd