pdftract/fuzz/fuzz_targets/cmap_parser.rs
jedarden 9aa26a449e docs(pdftract-49f8): establish Cargo.lock policy and documentation
This commit implements the Cargo.lock policy for reproducible builds
across all workspace members (pdftract-core, pdftract-cli, pdftract-py).

Changes:
- Add CONTRIBUTING.md with lockfile-update workflow documentation
- Add .renovaterc.json for weekly lockfile-only PRs (human-gated)
- Add crates/pdftract-core/README.md with rationale for checked-in lockfiles
- Add notes/pdftract-49f8.md with verification note

The Argo workflow updates (pdftract-ci.yaml) are committed separately
in the declarative-config repo.

Acceptance criteria:
- PASS: Cargo.lock tracked by git, not in .gitignore
- PASS: Argo workflow templates document --locked/--frozen requirements
- WARN: Enforcement to be completed when placeholder templates are implemented
- WARN: Binary reproducibility verification deferred to pdftract-build-binaries implementation

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-20 18:13:14 -04:00

36 lines
1.2 KiB
Rust

//! Fuzz target for the PDF CMap parser.
//!
//! This target tests INV-8 (no panic at public boundary) for the CMap parser.
//! Any panic indicates a CMap parser bug that must be fixed.
//!
//! Note: Full CMap parser is not yet implemented. This target tests the
//! lexer's name and string handling which are foundational to CMap parsing.
#![no_main]
use libfuzzer_sys::fuzz_target;
fuzz_target!(|data: &[u8]| {
use pdftract_core::parser::lexer::Lexer;
// CMap parsing relies heavily on name and string parsing
// Test that the lexer handles these correctly without panic
let mut lexer = Lexer::new(data);
loop {
match lexer.next_token() {
Some(token) => {
// CMap uses many names and strings
match token {
pdftract_core::parser::lexer::Token::Name(_) => {
// Name parsing succeeded
}
pdftract_core::parser::lexer::Token::String(_) => {
// String parsing succeeded
}
_ => {}
}
}
None => break,
}
}
});