orca/ext/wasm3/platforms/app_fuzz/fuzzer.c

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2023-04-12 14:21:03 +00:00
//
// Wasm3 - high performance WebAssembly interpreter written in C.
//
// Copyright © 2019 Steven Massey, Volodymyr Shymanskyy.
// All rights reserved.
//
#include <stdint.h>
#include <stddef.h>
#include "wasm3.h"
#define FATAL(...) __builtin_trap()
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
M3Result result = m3Err_none;
if (size < 8 || size > 256*1024) {
return 0;
}
IM3Environment env = m3_NewEnvironment ();
if (env) {
IM3Runtime runtime = m3_NewRuntime (env, 128, NULL);
if (runtime) {
IM3Module module = NULL;
result = m3_ParseModule (env, &module, data, size);
if (module) {
result = m3_LoadModule (runtime, module);
if (result == 0) {
IM3Function f = NULL;
result = m3_FindFunction (&f, runtime, "fib");
/* TODO:
if (f) {
m3_CallV (f, 10);
}*/
} else {
m3_FreeModule (module);
}
}
m3_FreeRuntime(runtime);
}
m3_FreeEnvironment(env);
}
return 0;
}