Add a second fuzzing engine alongside the existing libFuzzer/cargo-fuzz setup. AFL++ runs with persistent mode (afl::fuzz! macro), LLVM plugins (CmpLog, IJON), and a SymCC concolic companion for hybrid fuzzing. - cargo-afl built from afl.rs with a patch for CARGO_AFL_DIR / CARGO_AFL_LLVM_DIR env-var overrides - AFL++ built with LLVM 22 plugins to match rust-nightly - Persistent-mode fuzz targets in lib/fuzz-afl/ - --jobs N parallel fuzzing: main instance in foreground, secondaries and SymCC companion as systemd transient units in a slice - Ctrl+c / exit cleans up all background processes via slice stop - AFL_AUTORESUME=1 for clean restarts after previous runs - fuzz-clean-afl collects crashes from all instance directories - Shared harness logic in lib/src/fuzz_harness.rs Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> |
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