libfuzzer clone project

.gitignore

@@ -1,4 +1,4 @@
-/target
+target
 Cargo.lock
 
-.vscode
+.vscode

Cargo.toml

@@ -17,4 +17,4 @@ std = []
 xxhash-rust = { version = "0.8.0-beta.4", features = ["xxh3"] } # xxh3 hashing for rust
 hashbrown = "0.9" # A faster hashmap, nostd compatible
 libc = "0.2" # For (*nix) libc
-num = "*"
+num = "*"

fuzzers/libfuzzer/libfuzzer/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "libfuzzer"
+version = "0.1.0"
+authors = ["Andrea Fioraldi <andreafioraldi@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+afl = { path = "../../../" }

fuzzers/libfuzzer/libfuzzer/src/main.rs

@@ -0,0 +1,43 @@
+use std::boxed::Box;
+
+use afl::corpus::{Corpus, InMemoryCorpus, Testcase};
+use afl::engines::{DefaultEngine, DefaultState, Engine};
+use afl::executors::inmemory::InMemoryExecutor;
+use afl::executors::{Executor, ExitKind};
+use afl::inputs::bytes::BytesInput;
+use afl::mutators::scheduled::{
+    mutation_bitflip, ComposedByMutations, DefaultScheduledMutator,
+};
+use afl::stages::mutational::DefaultMutationalStage;
+use afl::utils::DefaultRand;
+
+fn harness<I>(_executor: &dyn Executor<I>, _buf: &[u8]) -> ExitKind {
+    ExitKind::Ok
+}
+
+pub fn main() {
+    let rand = DefaultRand::new(0).into();
+
+    let mut corpus = InMemoryCorpus::<BytesInput, _>::new(&rand);
+    let testcase = Testcase::new(vec![0; 4]).into();
+    corpus.add(testcase);
+
+    let executor = InMemoryExecutor::<BytesInput>::new(harness);
+    let mut state = DefaultState::new(corpus, executor);
+
+    let mut engine = DefaultEngine::new();
+    let mut mutator = DefaultScheduledMutator::new(&rand);
+    mutator.add_mutation(mutation_bitflip);
+    let stage = DefaultMutationalStage::new(&rand, mutator);
+    engine.add_stage(Box::new(stage));
+
+    //
+
+    for i in 0..1000 {
+        engine
+            .fuzz_one(&mut state)
+            .expect(&format!("Error in iter {}", i));
+    }
+    println!("OK");
+}
+