98ef18a22a
* Revert "Remove spec interpreter fuzz target temporarily (#3399)"
This reverts commit 25d3fa4d7b.
* add support for differential fuzzing against verified OCaml interpreter
* formatting
* comments
* fix missing dep case
* fix build error
* fix unit tests?
* restore previous differential_v8 max_table config
* attempt: add OCaml deps
* fix interpeter github repo
* fix spec repo url
* fix zarith package
* fix unit test
31 lines
1.0 KiB
Rust
31 lines
1.0 KiB
Rust
#![no_main]
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use libfuzzer_sys::arbitrary::{Result, Unstructured};
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use libfuzzer_sys::fuzz_target;
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use wasmtime_fuzzing::{generators, oracles};
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fuzz_target!(|data: &[u8]| {
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// errors in `run` have to do with not enough input in `data`, which we
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// ignore here since it doesn't affect how we'd like to fuzz.
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drop(run(data));
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});
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fn run(data: &[u8]) -> Result<()> {
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let mut u = Unstructured::new(data);
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let mut config: generators::Config = u.arbitrary()?;
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config.set_differential_config();
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// Enable features that v8 has implemented
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config.module_config.config.simd_enabled = true;
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config.module_config.config.bulk_memory_enabled = true;
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config.module_config.config.reference_types_enabled = true;
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// Allow multiple tables, as set_differential_config() assumes reference
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// types are disabled and therefore sets max_tables to 1
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config.module_config.config.max_tables = 4;
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let module = config.generate(&mut u, Some(1000))?;
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oracles::differential_v8_execution(&module.to_bytes(), &config);
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Ok(())
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}
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