💚 test fuzzing pipeline

.github/actions/setup-honggfuzz/action.yml

@@ -0,0 +1,23 @@
+name: "Setup Honggfuzz"
+description: "Setup Honggfuzz"
+
+runs:
+  using: "composite"
+  steps:
+    - uses: actions/cache@v3
+      name: Cache Honggfuzz
+      id: cache-honggfuzz
+      with:
+        path: |
+          ~/.cache/honggfuzz/
+          ~/.local/share/honggfuzz/
+        key: honggfuzz-${{ runner.os }}-v0000-${{ env.HONGGFUZZ_VERSION }}
+    - name: Install honggfuzz
+      run: cargo install honggfuzz --version ${{ env.HONGGFUZZ_VERSION }}
+      shell: bash
+    - name: Install binutils-dev
+      run: sudo apt-get install binutils-dev
+      shell: bash
+    - name: Install libunwind-dev
+      run: sudo apt-get install libunwind-dev
+      shell: bash

.github/workflows/run_fuzz_example.yml

@@ -0,0 +1,25 @@
+name: Test Fuzz Tests
+
+on:
+  workflow_dispatch:
+  pull_request:
+
+env:
+  SOLANA_CLI_VERSION: 1.18.12
+  ANCHOR_VERSION: 0.29.0
+  HONGGFUZZ_VERSION: 0.5.55
+
+jobs:
+  run_fuzz_example:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ./.github/actions/setup-rust/
+      - uses: ./.github/actions/setup-solana/
+      - uses: ./.github/actions/setup-honggfuzz/
+        id: rust-setup
+      - uses: Swatinem/rust-cache@v2
+        name: Cache Rust and it's packages
+      - name: Test Fuzz
+        working-directory: examples/fuzz-tests/unchecked-arithmetic-0
+        run: HFUZZ_RUN_ARGS="-N 10" cargo run --manifest-path ../../../Cargo.toml fuzz run fuzz_0

crates/client/src/commander.rs

@@ -223,7 +223,7 @@ impl Commander {
                     "The crash directory {} contains new fuzz test crashes. Exiting!",
                     crash_dir.to_string_lossy()
                 );
-                process::exit(1);
+                process::exit(99);
             }
         }
     }
@@ -292,7 +292,7 @@ impl Commander {
             res = child.wait() =>
                 match res {
                     Ok(status) => if !status.success() {
-                        println!("Honggfuzz exited with an error!");
+                        throw!(Error::FuzzingFailed);
                     },
                     Err(_) => throw!(Error::FuzzingFailed),
             },
@@ -358,7 +358,7 @@ impl Commander {
                 match res {
                     Ok(status) => {
                         if !status.success() {
-                            println!("Honggfuzz exited with an error!");
+                            throw!(Error::FuzzingFailed);
                         }
                     },
                     Err(_) => throw!(Error::FuzzingFailed),
@@ -367,7 +367,6 @@ impl Commander {
             _ = signal::ctrl_c() => {
                 fuzz_end.store(true, std::sync::atomic::Ordering::SeqCst);
                 tokio::time::sleep(tokio::time::Duration::from_millis(100)).await;
-
             },
         }
         let stats_result = stats_handle