diff --git a/notes/bf-2pq5z.md b/notes/bf-2pq5z.md new file mode 100644 index 0000000..64274f0 --- /dev/null +++ b/notes/bf-2pq5z.md @@ -0,0 +1,71 @@ +# Fuzz Dependency Verification - bf-2pq5z + +## Task +Verify fuzz dependencies are installed for the content.rs fuzz harness. + +## Findings + +### ✅ PASS: cargo-fuzz Installation +- **Status**: Installed and working +- **Version**: cargo-fuzz 0.13.1 +- **Command**: `cargo fuzz --version` succeeded + +### ✅ PASS: Rust Toolchain +- **Status**: Supports fuzzing +- **Version**: rustc 1.98.0-nightly (f20a92ec0 2026-06-07) +- **Cargo**: 1.98.0-nightly (0b1123a48 2026-06-01) + +### ✅ PASS: Fuzz Harness Directory +- **Status**: Directory exists and contains fuzz targets +- **Location**: `fuzz/fuzz_targets/` +- **Available targets**: 5 fuzz targets found + - `cmap_parser.rs` + - `lexer.rs` + - `object_parser.rs` + - `stream_decoder.rs` + - `xref.rs` + +### ❌ FAIL: content.rs Fuzz Target +- **Status**: NOT FOUND +- **Expected**: `fuzz/fuzz_targets/content.rs` +- **Found**: The file does not exist +- **Verified by**: `test -f fuzz/fuzz_targets/content.rs` returned false + +## Critical Issue + +The parent beads (bf-2mzuw, bf-2g0kn) reference a non-existent `content` fuzz target: + +1. **bf-2mzuw** (closed) claims to verify "the content.rs fuzz harness compiles" with command `cargo fuzz build content` +2. **bf-2g0kn** (in_progress) expects to run `cargo fuzz run content -- -max_total_time=5` +3. **fuzz/Cargo.toml** defines 5 fuzz targets but NO `content` target + +This is a **dependency chain inconsistency**. The content.rs fuzz target was never created, but dependent beads were written as if it existed. + +## Available Fuzz Targets + +The actual fuzz infrastructure includes these working targets: +- `lexer` - PDF lexer fuzzing +- `object_parser` - PDF object parsing fuzzing +- `xref` - Cross-reference table fuzzing +- `stream_decoder` - PDF stream decoding fuzzing +- `cmap_parser` - Character map parsing fuzzing + +## Recommendation + +Before running fuzz tests (bf-2g0kn), the dependency chain needs resolution: +1. Either create the missing `content.rs` fuzz target, OR +2. Update dependent beads to reference existing fuzz targets + +## Acceptance Criteria Status + +| Criterion | Status | Result | +|-----------|--------|--------| +| `cargo fuzz --version` succeeds | ✅ PASS | Version 0.13.1 | +| fuzz/fuzz_targets/content.rs exists | ❌ FAIL | File NOT found | +| No missing dependency errors | ⚠️ WARN | Missing target itself | + +## Conclusion + +Fuzz **dependencies** (cargo-fuzz, Rust toolchain, harness infrastructure) are properly installed and working. However, the specific **content.rs fuzz target** referenced by this bead and its parent does not exist in the codebase. + +**Note**: This verification exposes a pre-existing dependency chain issue that existed before this bead started. The parent bead (bf-2mzuw) was incorrectly closed despite the content.rs target not existing.