Add a fuzz target for instantiating wasm-smith modules

fuzz/fuzz_targets/instantiate-wasm-smith.rs

@@ -0,0 +1,13 @@
+#![no_main]
+
+use libfuzzer_sys::fuzz_target;
+use wasm_smith::Module;
+use wasmtime::Strategy;
+use wasmtime_fuzzing::oracles;
+
+fuzz_target!(|module: Module| {
+    let mut module = module;
+    module.ensure_termination(1000);
+    let wasm_bytes = module.to_bytes();
+    oracles::instantiate(&wasm_bytes, Strategy::Auto);
+});