KeiSeiKit-1.0/_primitives/_rust
Parfii-bot e00d25bca6 fix(perf): bound per-user lock LRU + stream-cap atom subprocess output
Two resource-exhaustion fixes from Opus Rust + Sonnet Rust audits.

1. kei-cortex per_user_locks DashMap unbounded growth (HIGH)
   File: kei-cortex/src/state.rs
   Bug: per_user_locks: DashMap<String, Arc<Mutex<()>>> inserted on every
   distinct user_id; never evicted. Auth'd attacker with 1M unique user_ids
   could OOM the daemon (~150 bytes/entry = 15GB at 100M entries).

   Fix: replaced DashMap with tokio::sync::Mutex<LruCache<String,
   Arc<TokioMutex<()>>>> capped at PER_USER_LOCK_CAP = 1024. Eviction is
   safe because callers hold their own Arc clone for their critical section;
   dropping the registry slot retires only the registry's reference. Used
   tokio::sync::Mutex for the registry because LruCache::get mutates the
   recency list and requires &mut self.

   Constructor Pattern: state.rs split into state.rs (184 LOC) +
   state_factories.rs (64 LOC, new). Tests added: user_lock_evicts_past_cap
   (registry stays ≤1024 after 2048 inserts), user_lock_keeps_most_recent
   (LRU recency preserved). Existing user_lock_is_stable_per_user +
   user_lock_differs_per_user updated to async — sole call site
   (handlers/portrait.rs) gains .await.

2. kei-runtime stdout/stderr cap was post-hoc (HIGH)
   File: kei-runtime/src/invoke.rs
   Bug: wait_with_output() buffered ALL child stdout/stderr; only cap_bytes
   truncated AFTER the child finished. A malicious atom writing 10 GB stdout
   (or a buggy one looping infinitely) OOM'd the runtime BEFORE the cap fired.

   Fix: replaced wait_with_output() with two reader threads sharing
   KillHandle = Arc<Mutex<Option<Child>>>. Each reader appends bytes up to
   STREAM_CAP = 16 MiB; on cap exceedance the reader KILLS the child from
   inside the reader thread (critical — otherwise the unbounded writer would
   never EOF and a post-hoc kill would never fire). Both readers drain the
   closing pipe to EOF and return. Truncation surfaces as
   InvokeError::SubprocessError with explicit "exceeded N byte cap" message.

   Constructor Pattern: invoke.rs decomposed into invoke.rs (159 LOC) +
   invoke_io.rs (146 LOC, new) + invoke_error.rs (54 LOC, new). Test added:
   invoke_kills_runaway_atom — stages a kei-flood script running cat
   /dev/zero, verifies (a) non-zero exit, (b) stdout < 18 MiB, (c)
   "cap"/"subprocess" in stderr.

cargo check --workspace: clean. cargo test -p kei-cortex -p kei-runtime
--test-threads=1: 471 pass / 0 fail. Pre-existing openai_loop_wiring.rs
parallel-run flake (state collision when test-threads>1) is unrelated and
unchanged.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03 15:39:50 +08:00
..
firewall-diff chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
frustration-matrix chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-agent-runtime chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-artifact chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-atom-discovery chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-auth chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-auth-apple chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-auth-google fix(auth): Google OIDC account-takeover (CVE-2023-7028 class) — email_verified gate + sub as user_id + id_token cross-check 2026-05-03 15:38:53 +08:00
kei-auth-magiclink fix(security): cortex /term env_clear + bind guard, agent-stub-scan stdin, magiclink revoke 2026-05-03 15:38:23 +08:00
kei-auth-webauthn chore: strip dangling sibling refs from Cargo.toml descriptions 2026-05-03 15:37:33 +08:00
kei-backend-daytona chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-brain-view chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-cache chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-capability chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-changelog chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-chat-store chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-compute-baremetal chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-compute-digitalocean chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-compute-linode chore: strip dangling sibling refs from Cargo.toml descriptions 2026-05-03 15:37:33 +08:00
kei-compute-vultr chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-conflict-scan chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-content-store chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-cortex fix(perf): bound per-user lock LRU + stream-cap atom subprocess output 2026-05-03 15:39:50 +08:00
kei-cron-scheduler chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-crossdomain chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-curator chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-db-contract chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-decision chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-decompose chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-diff chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-discover chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-dna-index chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-entity-store chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-export-trajectories chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-forge chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-fork chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-frustration-loop chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-gateway chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-gdrive-import chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-git-bitbucket chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-git-forgejo chore: strip dangling sibling refs from Cargo.toml descriptions 2026-05-03 15:37:33 +08:00
kei-git-gitea chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-git-gitlab chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-graph-check chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-graph-export chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-graph-stream chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-hibernate chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-import-project chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-leak-matrix chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-ledger chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-ledger-sign chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-llm-bridge-mlx chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-llm-llamacpp chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-llm-mlx chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-llm-ollama chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-llm-router chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-machine-probe chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-mcp chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-memory chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-memory-postgres chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-memory-redis chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-memory-sled chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-memory-sqlite chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-migrate chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-model chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-model-router chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-net-ipsec chore: strip dangling sibling refs from Cargo.toml descriptions 2026-05-03 15:37:33 +08:00
kei-net-openvpn chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-net-wireguard chore: strip dangling sibling refs from Cargo.toml descriptions 2026-05-03 15:37:33 +08:00
kei-notify-discord chore: strip dangling sibling refs from Cargo.toml descriptions 2026-05-03 15:37:33 +08:00
kei-notify-slack chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-notify-sms chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-notify-telegram chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-pet chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-ping chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-pipe chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-projects-index chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-projects-watcher chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-provision chore: strip dangling sibling refs from Cargo.toml descriptions 2026-05-03 15:37:33 +08:00
kei-prune chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-refactor-engine chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-registry chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-replay chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-router chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-runtime fix(perf): bound per-user lock LRU + stream-cap atom subprocess output 2026-05-03 15:39:50 +08:00
kei-runtime-core chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-sage chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-scheduler chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-search-core chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-shared chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-skill-importer chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-skills chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-social-store chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-spawn chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-store chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-svc-systemd chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-task chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-tlog chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-token-tracker chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-tty chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
kei-watch chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
keisei chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
mock-render chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
ssh-check chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
tokens-sync chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
visual-diff chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00
.gitignore KeiSeiKit-public — clean state 2026-05-01 12:09:03 +08:00
Cargo.lock chore(workspace): SSoT inheritance + version unification 2026-05-02 21:40:46 +08:00
Cargo.toml chore: author email + Cargo metadata SSoT (parfionovich@keilab.io) 2026-05-03 13:55:28 +08:00