[wasm] Enforce limits for maximums for many WebAssembly binary entities.

src/wasm/wasm-limits.h

Index: src/wasm/wasm-limits.h
diff --git a/src/wasm/wasm-limits.h b/src/wasm/wasm-limits.h
index 56517ede6432222aafe4e1748e30fb190055480a..63326fffa201b71dff63ef738eab98472986c24b 100644
--- a/src/wasm/wasm-limits.h
+++ b/src/wasm/wasm-limits.h
@@ -9,14 +9,25 @@ namespace v8 {
 namespace internal {
 namespace wasm {
 
-const size_t kV8MaxWasmSignatures = 10000000;
-const size_t kV8MaxWasmFunctions = 10000000;
+// The following limits are imposed by V8 on WebAssembly modules.
+// The limits are agreed upon with other engines for consistency.
+const size_t kV8MaxWasmTypes = 1000000;
+const size_t kV8MaxWasmFunctions = 1000000;
+const size_t kV8MaxWasmImports = 100000;
+const size_t kV8MaxWasmExports = 100000;
+const size_t kV8MaxWasmGlobals = 1000000;
+const size_t kV8MaxWasmDataSegments = 100000;
 const size_t kV8MaxWasmMemoryPages = 16384;  // = 1 GiB
 const size_t kV8MaxWasmStringSize = 256;
 const size_t kV8MaxWasmModuleSize = 1024 * 1024 * 1024;  // = 1 GiB
 const size_t kV8MaxWasmFunctionSize = 128 * 1024;
 const size_t kV8MaxWasmFunctionLocals = 50000;
+const size_t kV8MaxWasmFunctionParams = 1000;
+const size_t kV8MaxWasmFunctionMultiReturns = 1000;
+const size_t kV8MaxWasmFunctionReturns = 1;
 const size_t kV8MaxWasmTableSize = 16 * 1024 * 1024;
+const size_t kV8MaxWasmTables = 1;
+const size_t kV8MaxWasmMemories = 1;
 
 const size_t kSpecMaxWasmMemoryPages = 65536;