dtact 0.1.1

Dtact: A non-preemptive, stackful coroutine runtime featuring a lock-free context arena, P2P mesh scheduling, and architecture-specific assembly switchers. Designed for hardware-level control and non-blocking heterogeneous orchestration.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80

name: Continuous Fuzzing

on:
  push:
    branches: [ main, master, staging, try ]
  pull_request:
    branches: [ main, master ]
  schedule:
    - cron: '0 0 * * *' # Daily sanity check

jobs:
  fuzz:
    name: Fuzz ${{ matrix.target }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        target: [fuzz_target_1]

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Install Rust nightly
        uses: dtolnay/rust-toolchain@nightly

      - name: Cache cargo bin
        id: cache-cargo-bin
        uses: actions/cache@v5
        with:
          path: ~/.cargo/bin/cargo-fuzz
          key: ${{ runner.os }}-cargo-fuzz-bin

      - name: Install cargo-fuzz
        if: steps.cache-cargo-bin.outputs.cache-hit != 'true'
        run: cargo install cargo-fuzz

      - name: Cache Fuzzing Corpus
        uses: actions/cache@v5
        with:
          path: fuzz/corpus/${{ matrix.target }}
          key: ${{ runner.os }}-fuzz-corpus-${{ matrix.target }}-${{ github.run_id }}
          restore-keys: |
            ${{ runner.os }}-fuzz-corpus-${{ matrix.target }}-

      - name: Cache build artifacts
        uses: actions/cache@v5
        with:
          path: |
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            fuzz/target/
            target/
          key: ${{ runner.os }}-fuzz-target-${{ matrix.target }}-${{ hashFiles('Cargo.lock', 'fuzz/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-fuzz-target-${{ matrix.target }}-

      - name: Run Fuzzer
        run: |
          cd fuzz
          if [[ "${{ github.event_name }}" == "pull_request" ]]; then
            # Run the fuzzer 5 times, each for 1 hour (3600 seconds) instead of 1 time for 5 hours.
            # Long single fuzzer runs can hit memory limits or cause CPU starvation in shared CI runners.
            for i in {1..5}; do
              echo "Starting PR fuzzer iteration $i of 5..."
              cargo +nightly fuzz run ${{ matrix.target }} -- -max_total_time=3600 -rss_limit_mb=16384Mb
            done
          else
            echo "Starting standard fuzzer iteration (1 hour)..."
            cargo +nightly fuzz run ${{ matrix.target }} -- -max_total_time=3600 -rss_limit_mb=16384Mb
          fi

      - name: Upload Crash Artifacts
        if: failure()
        uses: actions/upload-artifact@v7
        with:
          name: fuzzer-artifacts-${{ matrix.target }}
          path: fuzz/artifacts/${{ matrix.target }}
          if-no-files-found: ignore