| Index: src/wasm/wasm-interpreter.cc
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| diff --git a/src/wasm/wasm-interpreter.cc b/src/wasm/wasm-interpreter.cc
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| index 521f4348769378abe676b2a38049faa427ed53ca..aa0884c50c2644c9f9d2d57e147eea0019cd6d2b 100644
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| --- a/src/wasm/wasm-interpreter.cc
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| +++ b/src/wasm/wasm-interpreter.cc
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| @@ -664,7 +664,8 @@ static inline int32_t ExecuteGrowMemory(uint32_t delta_pages,
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|                                          WasmInstance* instance) {
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|    // TODO(ahaas): Move memory allocation to wasm-module.cc for better
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|    // encapsulation.
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| -  if (delta_pages > wasm::kV8MaxWasmMemoryPages) {
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| +  if (delta_pages > wasm::kV8MaxWasmMemoryPages ||
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| +      delta_pages > instance->module->max_mem_pages) {
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|      return -1;
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|    }
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|    uint32_t old_size = instance->mem_size;
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| @@ -680,7 +681,9 @@ static inline int32_t ExecuteGrowMemory(uint32_t delta_pages,
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|    } else {
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|      DCHECK_NOT_NULL(instance->mem_start);
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|      new_size = old_size + delta_pages * wasm::WasmModule::kPageSize;
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| -    if (new_size > wasm::kV8MaxWasmMemoryPages * wasm::WasmModule::kPageSize) {
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| +    if (new_size / wasm::WasmModule::kPageSize > wasm::kV8MaxWasmMemoryPages ||
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| +        new_size / wasm::WasmModule::kPageSize >
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| +            instance->module->max_mem_pages) {
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|        return -1;
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|      }
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|      new_mem_start = static_cast<byte*>(realloc(instance->mem_start, new_size));
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| 
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