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src: fix out-of-bounds check of serialization indices #41452

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src: fix out-of-bounds check of serialization indices #41452

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6 changes: 3 additions & 3 deletions src/node_messaging.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -98,19 +98,19 @@ class DeserializerDelegate : public ValueDeserializer::Delegate {
uint32_t id;
if (!deserializer->ReadUint32(&id))
return MaybeLocal<Object>();
CHECK_LE(id, host_objects_.size());
CHECK_LT(id, host_objects_.size());
return host_objects_[id]->object(isolate);
}

MaybeLocal<SharedArrayBuffer> GetSharedArrayBufferFromId(
Isolate* isolate, uint32_t clone_id) override {
CHECK_LE(clone_id, shared_array_buffers_.size());
CHECK_LT(clone_id, shared_array_buffers_.size());
return shared_array_buffers_[clone_id];
}

MaybeLocal<WasmModuleObject> GetWasmModuleFromId(
Isolate* isolate, uint32_t transfer_id) override {
CHECK_LE(transfer_id, wasm_modules_.size());
CHECK_LT(transfer_id, wasm_modules_.size());
return WasmModuleObject::FromCompiledModule(
isolate, wasm_modules_[transfer_id]);
}
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