32 lines
1.1 KiB
Rust
32 lines
1.1 KiB
Rust
#![no_main]
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use libfuzzer_sys::fuzz_target;
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use waffle::{FrontendError, FrontendOptions, Module, OptOptions};
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fuzz_target!(|module: wasm_smith::Module| {
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let _ = env_logger::try_init();
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log::debug!("original module: {:?}", module);
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let orig_bytes = module.to_bytes();
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let mut parsed_module =
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match Module::from_wasm_bytes(&orig_bytes[..], &FrontendOptions::default()) {
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Ok(m) => m,
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Err(e) => {
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match e.downcast::<FrontendError>() {
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Ok(FrontendError::UnsupportedFeature(_)) | Ok(FrontendError::TooLarge(_)) => {
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// Just skip this case.
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return;
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}
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Ok(e) => {
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panic!("Frontend error: {:?}", e);
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}
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Err(e) => {
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panic!("Other error when parsing module: {:?}", e);
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}
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}
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}
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};
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parsed_module.expand_all_funcs().unwrap();
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parsed_module.per_func_body(|body| body.optimize(&OptOptions::default()));
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let _ = parsed_module.to_wasm_bytes();
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});
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