260 lines
9.5 KiB
YAML

name: Fuzzing
on:
push:
branches: [main, develop, feat-add-afl-fuzzing]
pull_request:
schedule:
- cron: "0 2 * * *"
workflow_dispatch:
push:
branches: [main]
env:
RISC0_DEV_MODE: "1"
CARGO_TERM_COLOR: always
jobs:
# ── Smoke fuzz: 60 s per target ─────────────────────────────────────────────
smoke-fuzz:
name: Smoke fuzz (${{ matrix.target }})
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
target:
- fuzz_transaction_decoding
- fuzz_stateless_verification
- fuzz_state_transition
- fuzz_block_verification
- fuzz_encoding_roundtrip
- fuzz_signature_verification
- fuzz_replay_prevention
- fuzz_state_diff_computation
- fuzz_validate_execute_consistency
- fuzz_state_serialization
- fuzz_witness_set_verification
- fuzz_program_deployment_lifecycle
- fuzz_apply_state_diff_split_path
- fuzz_multi_block_state_sequence
- fuzz_sequencer_vs_replayer
steps:
- uses: actions/checkout@v4
- name: Checkout logos-execution-zone
uses: ./.github/actions/checkout-lez
- name: Install Rust nightly (required by cargo-fuzz)
uses: dtolnay/rust-toolchain@nightly
with:
components: llvm-tools-preview
- name: Cache cargo registry
uses: actions/cache@v4
with:
path: |
~/.cargo/registry
~/.cargo/git
target
key: fuzz-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
- name: Install logos-blockchain-circuits
uses: ./logos-execution-zone/.github/actions/install-logos-blockchain-circuits
with:
github-token: ${{ secrets.GITHUB_TOKEN }}
- name: Install cargo-fuzz
run: cargo install cargo-fuzz
- name: Build fuzz target
run: cargo fuzz build ${{ matrix.target }}
- name: Run smoke fuzz (60 s)
run: |
mkdir -p corpus/libfuzz/${{ matrix.target }}
cargo fuzz run ${{ matrix.target }} \
corpus/libfuzz/${{ matrix.target }} \
-- -max_total_time=60 -jobs=2 -workers=2
- name: Calculate and show edge bitmap coverage
if: always()
run: |
TARGET="${{ matrix.target }}"
CORPUS="corpus/libfuzz/${TARGET}"
mkdir -p "$CORPUS"
# ── Build and replay the corpus with LLVM coverage instrumentation ──
# cargo fuzz coverage builds into fuzz/target/<triple>/coverage/<target>
# and writes the merged profdata to fuzz/coverage/<target>/coverage.profdata
cargo fuzz coverage "$TARGET" "$CORPUS" || true
# ── Locate llvm-cov from the installed nightly toolchain ──
SYSROOT="$(rustc --print sysroot)"
HOST_TRIPLE="$(rustc -vV | awk '/^host:/{print $2}')"
LLVM_COV="${SYSROOT}/lib/rustlib/${HOST_TRIPLE}/bin/llvm-cov"
# The coverage-instrumented binary lives under a "coverage" profile directory,
# NOT "release" — search specifically for that path.
PROFDATA=$(find fuzz/coverage/"$TARGET" -name "coverage.profdata" 2>/dev/null | head -1)
BINARY=$(find fuzz/target -path "*coverage/${TARGET}" -type f 2>/dev/null | head -1)
branches_covered="n/a"
branches_total="n/a"
pct="n/a"
if [ -n "$PROFDATA" ] && [ -f "$PROFDATA" ] && \
[ -n "$BINARY" ] && [ -f "$BINARY" ]; then
JSON=$("$LLVM_COV" export "$BINARY" \
--instr-profile="$PROFDATA" \
--summary-only \
--ignore-filename-regex='\.cargo|rustc' 2>/dev/null || echo "{}")
branches_covered=$(echo "$JSON" | python3 -c "
import sys, json
data = json.load(sys.stdin)
try:
br = data['data'][0]['totals']['branches']
print(br['covered'])
except Exception:
print('n/a')
")
branches_total=$(echo "$JSON" | python3 -c "
import sys, json
data = json.load(sys.stdin)
try:
br = data['data'][0]['totals']['branches']
print(br['count'])
except Exception:
print('n/a')
")
pct=$(echo "$JSON" | python3 -c "
import sys, json
data = json.load(sys.stdin)
try:
br = data['data'][0]['totals']['branches']
print(f\"{br['percent']:.2f}\")
except Exception:
print('n/a')
")
fi
echo "Branch coverage: ${branches_covered}/${branches_total} (${pct}%)"
# ── GitHub Step Summary ──
{
echo "## Edge Bitmap Coverage — \`${TARGET}\`"
echo ""
echo "| Method | Covered branches | Total branches | Coverage % |"
echo "|---|---|---|---|"
echo "| \`llvm-cov\` (libFuzzer corpus) | ${branches_covered} | ${branches_total} | **${pct}%** |"
echo ""
echo "> Coverage computed over \`${CORPUS}\` using LLVM source-based branch instrumentation."
} >> "$GITHUB_STEP_SUMMARY"
- name: Upload crash artifacts
if: failure()
uses: actions/upload-artifact@v4
with:
name: crash-${{ matrix.target }}
path: fuzz/artifacts/${{ matrix.target }}/
# ── Corpus regression ────────────────────────────────────────────────────────
regression:
name: Corpus regression (${{ matrix.target }})
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
target:
- fuzz_transaction_decoding
- fuzz_stateless_verification
- fuzz_state_transition
- fuzz_block_verification
- fuzz_encoding_roundtrip
- fuzz_signature_verification
- fuzz_replay_prevention
- fuzz_state_diff_computation
- fuzz_validate_execute_consistency
- fuzz_state_serialization
- fuzz_witness_set_verification
- fuzz_program_deployment_lifecycle
- fuzz_apply_state_diff_split_path
- fuzz_multi_block_state_sequence
- fuzz_sequencer_vs_replayer
steps:
- uses: actions/checkout@v4
- name: Checkout logos-execution-zone
uses: ./.github/actions/checkout-lez
- uses: dtolnay/rust-toolchain@nightly
with:
components: llvm-tools-preview
- name: Install logos-blockchain-circuits
uses: ./logos-execution-zone/.github/actions/install-logos-blockchain-circuits
with:
github-token: ${{ secrets.GITHUB_TOKEN }}
- run: cargo install cargo-fuzz
- name: Reproduce corpus
run: |
mkdir -p corpus/libfuzz/${{ matrix.target }}
cargo fuzz run ${{ matrix.target }} \
corpus/libfuzz/${{ matrix.target }} -- -runs=0
# ── proptest property tests ──────────────────────────────────────────────────
proptest:
name: Property tests
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- name: Checkout logos-execution-zone
uses: ./.github/actions/checkout-lez
- uses: dtolnay/rust-toolchain@stable
- name: Install logos-blockchain-circuits
uses: ./logos-execution-zone/.github/actions/install-logos-blockchain-circuits
with:
github-token: ${{ secrets.GITHUB_TOKEN }}
- run: cargo test -p fuzz_props --release
# ── Performance baseline (nightly only) ─────────────────────────────────────
perf-baseline:
name: Performance baseline
runs-on: ubuntu-latest
if: github.event_name == 'schedule'
steps:
- uses: actions/checkout@v4
- name: Checkout logos-execution-zone
uses: ./.github/actions/checkout-lez
- uses: dtolnay/rust-toolchain@nightly
with:
components: llvm-tools-preview
- name: Install logos-blockchain-circuits
uses: ./logos-execution-zone/.github/actions/install-logos-blockchain-circuits
with:
github-token: ${{ secrets.GITHUB_TOKEN }}
- run: cargo install cargo-fuzz
- name: Measure throughput (30 s per target)
run: |
for target in \
fuzz_transaction_decoding \
fuzz_stateless_verification \
fuzz_state_transition \
fuzz_block_verification \
fuzz_encoding_roundtrip \
fuzz_signature_verification \
fuzz_replay_prevention \
fuzz_state_diff_computation \
fuzz_validate_execute_consistency \
fuzz_state_serialization \
fuzz_witness_set_verification \
fuzz_program_deployment_lifecycle \
fuzz_apply_state_diff_split_path \
fuzz_multi_block_state_sequence \
fuzz_sequencer_vs_replayer; do
echo "=== $target ===" | tee -a perf_baseline.txt
cargo fuzz run "$target" -- -max_total_time=30 2>&1 \
| grep -E "exec/s|execs_per_sec" | tail -1 | tee -a perf_baseline.txt
done
- uses: actions/upload-artifact@v4
with:
name: perf-baseline
path: perf_baseline.txt