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Reject files with an invalid byteLength value

pull/4211/head
Max Vollmer (Microsoft Havok) 2021-11-26 13:01:15 +00:00
parent 38382715f7
commit 0015823bef
1 changed files with 4 additions and 0 deletions
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4
code/AssetLib/glTF2/glTF2Asset.inl
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@ -600,6 +600,10 @@ inline void Buffer::Read(Value &obj, Asset &r) {
inline bool Buffer::LoadFromStream(IOStream &stream, size_t length, size_t baseOffset) { inline bool Buffer::LoadFromStream(IOStream &stream, size_t length, size_t baseOffset) {
byteLength = length ? length : stream.FileSize(); byteLength = length ? length : stream.FileSize();
if (byteLength > stream.FileSize()) {
throw DeadlyImportError("GLTF: Invalid byteLength exceeds size of actual data.");
}
if (baseOffset) { if (baseOffset) {
stream.Seek(baseOffset, aiOrigin_SET); stream.Seek(baseOffset, aiOrigin_SET);
} }