Files
samiandClaude Opus 5.5 83ab00c03c Add cargo-fuzz targets for the untrusted-input parsers and the hardening report
envelope_json, manifest_decode, item_replay, secret_key_parse, totp_parse, url_match,
with seeds. fuzz/README.md records the runs (and the server/desktop targets), the two
bugs fixed in the previous commits, dependency-policy results, CI changes and the
deploy check.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
2026-10-17 01:01:44 +09:00

36 lines
1.4 KiB
Rust

//! Decrypted item plaintext: JSON parse, Item model parse, and the per-item replay checks and merge that
//! run on every pulled record. Input: two plaintexts (held base, incoming) separated by a 0xFF byte.
#![no_main]
use kv_model::Item;
use kv_sync::{merge::merge3, replay};
use libfuzzer_sys::fuzz_target;
use serde_json::Value;
use uuid::Uuid;
fuzz_target!(|data: &[u8]| {
let (a, b) = match data.iter().position(|&c| c == 0xff) {
Some(i) => (&data[..i], &data[i + 1..]),
None => (data, &data[..0]),
};
let Ok(incoming) = serde_json::from_slice::<Value>(a) else { return };
let _ = serde_json::from_value::<Item>(incoming.clone());
let id = Uuid::from_u128(1);
let held: Option<Value> = serde_json::from_slice(b).ok();
let base = match &held {
Some(v) => replay::Base::Sealed(v),
None => replay::Base::LegacyTombstone,
};
for deleted in [false, true] {
let _ = replay::check_pulled(base, id, deleted, Some(&incoming));
}
// An identical record is never a replay.
assert!(replay::check_successor(replay::Base::Sealed(&incoming), &incoming).is_ok());
let next = replay::next_version(Some(&incoming), base);
assert!(next > replay::seq_of(&incoming) || replay::seq_of(&incoming) == u64::MAX);
if let Some(h) = &held {
let _ = merge3(None, h, &incoming);
let _ = merge3(Some(h), &incoming, h);
let _ = replay::same_content(h, &incoming);
}
});