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Check for too many arguments to convertJsFunctionToWasm signature #16653

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Check for too many arguments to convertJsFunctionToWasm signature #16653

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3 changes: 3 additions & 0 deletions src/runtime_functions.js
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,9 @@ function convertJsFunctionToWasm(func, sig) {
}
return new WebAssembly.Function(type, func);
}
if (sig.length > 123) {
throw new Error(`Too many arguments! Can handle at most 122 but was given ${sig.length - 1}.`);
}

// The module is static, with the exception of the type section, which is
// generated based on the signature passed in.
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