Stress on Our Shared Heart

Our Stack Overflow
Software runs in layers. Our application calls our framework. Our framework calls our database pooler. Our database pooler calls our TLS library. Our TLS library calls our kernel.
When each layer carries an unpatched defect, costs do not add — they compound. A 1,000× slowdown in our connection pooler multiplies against a 66× slowdown in our framework's header matching, against a 500× overhead in our TLS handshake. Our stack does not crash. It slows. Every request pays. Every user waits. Nobody sees why.
This is stress on our shared heart. Not a single point of failure. A distributed, invisible tax levied on every operation, in every system, by every unpatched defect accumulated across three decades of copy-paste inheritance.
We fix it layer by layer, starting with our most upstream bottlenecks first.
Our Dependency DAG — Live Bottleneck Map
Our closed set: every language, framework, library, and application we have scanned. Nodes are colored by worst active MOAD. Size reflects downstream reach. Outreach priority flows from our most upstream, highest-severity defects downward.
Node colors: ■ Active MOAD-0001 (CWE-407) ■ Disclosed ■ CLEAN ■ Not yet scanned
Bottleneck Rankings — Who to Reach First
Our graph uses downstream reach × log(speedup) × defect count to rank outreach priority, recomputed on every build. Our most upstream node with our highest speedup ratio is our first contact.
| Rank | Target | Layer | Worst Speedup | Defects | Downstream | Status |
|---|---|---|---|---|---|---|
| 1 | OpenSSL | TLS/Crypto | 500× | 4 | 36 | uncontacted |
| 2 | Linux | OS/Kernel | 20× | 8 | 118 | uncontacted |
| 3 | Systemd | Init/Service Manager | 300× | 4 | 17 | uncontacted |
| 4 | Javac | JVM | 116× | 7 | 23 | uncontacted |
| 5 | Rails | Web Framework | 1,000× | 18 | 1 | uncontacted |
| 6 | Go | Runtime | 200× | 3 | 16 | uncontacted |
| 7 | Dbus | IPC Bus | 100× | 1 | 18 | uncontacted |
| 8 | Maven | Build | 200× | 6 | 3 | uncontacted |
| 9 | Redis | Cache/KV | 500× | 5 | 2 | uncontacted |
| 10 | PgBouncer | Conn Pool | 1,000× | 2 | 3 | uncontacted |
| 11 | Erlang | Runtime | 500× | 3 | 3 | uncontacted |
| 12 | Hadoop | Dist Storage | 1,000× | 5 | 3 | uncontacted |
| 13 | Ffmpeg | Media Codec | 45× | 5 | 2 | uncontacted |
| 14 | Cmake | Build | 500× | 7 | 1 | uncontacted |
| 15 | Celery | Task Queue | 499× | 4 | 1 | uncontacted |
| 16 | Ruby | Runtime | — | 7 | 4 | uncontacted |
| 17 | Curl | HTTP lib | — | 4 | 7 | uncontacted |
| 18 | Rustc | Runtime | 68× | 3 | 2 | uncontacted |
| 19 | Scala | Application | 100× | 2 | 2 | uncontacted |
| 20 | Xen | Hypervisor | 5,000× | 1 | 2 | uncontacted |
| 21 | Spring | Web Framework | 200× | 7 | 1 | uncontacted |
| 22 | Kubernetes | Orchestration | 150× | 7 | 1 | uncontacted |
| 23 | Postgres | Database | 25× | 1 | 4 | uncontacted |
| 24 | Mysql | Database | 333× | 5 | 1 | uncontacted |
| 25 | V8 | JS Runtime | 50× | 4 | 1 | uncontacted |
| 26 | Gradle | Build | — | 2 | 2 | uncontacted |
| 27 | Mbed TLS | TLS/Crypto | — | 2 | 1 | uncontacted |
| 28 | Pytorch | ML | — | 3 | 1 | uncontacted |
| 29 | wolfSSL | TLS/Crypto | — | 1 | 1 | uncontacted |
| 30 | Zulip | Application | 2,000× | 3 | 0 | uncontacted |
Compound Burden — What Our Users Pay Today
Every unpatched MOAD is a multiplier. When stacked across layers, costs compound. The numbers below are what our users pay on every operation compared to the patched baseline.
| Operation | Tier | Compound Tax | Bottleneck Chain |
|---|---|---|---|
| HTTP request — Django | per-request | 156.2G× | openssl (500×) → nginx (100×) → pgbouncer (1,000×) → postgres (25×) → django (125×) |
| HTTP request — Rails | per-request | 1.2T× | openssl (500×) → nginx (100×) → pgbouncer (1,000×) → postgres (25×) → rails (1,000×) |
| MySQL query via ProxySQL | per-request | 1.3M× | openssl (500×) → proxysql (8×) → mysql (333×) |
| TLS handshake | per-request | 500× | openssl (500×) |
| Python ML inference | per-request | 1× (clean) | — |
| Service activation — systemd+dbus | per-activation | 600.0k× | linux (20×) → dbus (100×) → systemd (300×) |
| D-Bus IPC dispatch | per-activation | 2.0k× | linux (20×) → dbus (100×) |
| Java build — Spring+Maven | per-activation | 4.6M× | javac (116×) → maven (200×) → spring (200×) |
| Mercurial log --graph | per-activation | 445× | mercurial (445×) |
| Git push via libgit2 | per-activation | 500× | openssl (500×) |
| VM boot under Xen | per-VM-start | 100.0k× | xen (5,000×) → linux (20×) |
| Kubernetes pod schedule | per-VM-start | 3.0G× | xen (5,000×) → linux (20×) → go (200×) → kubernetes (150×) |
Proof — What We Have Already Done
We do not file tickets. We write patches.
Mercurial — shipped 2026-04-03. hg log -G on a repository with 200k commits and 500 active branches drops from 6.3 hours to 1.3 minutes. Two O(k) operations inside an O(k) inner loop per commit — list.index() and x in list — replaced with O(1) dict lookups. One file changed. 23 tests. Patch submitted to mercurial-devel@mercurial-scm.org. Every hg binary on the planet inherits this fix when it merges.
This is how all of our patches work. We isolate the defect. We prove the complexity. We write the fix. We write the tests. We submit upstream. We move to the next node.
1,264 defects isolated. 919 patches written. 60+ ecosystems scanned.
Every one of these is a Mercurial-scale fix waiting to land.
What Changes When We Ship
MOAD-0001 — O(N²) → O(N)
Our connection pooler no longer scans our full database list on every login. Our IDS no longer iterates every field name per header. Our VCS no longer renders our graph in quadratic time. Our build system no longer cascades reactor lookups.
At Google scale: hg log -G drops from 6.3 hours to 1.3 minutes. PgBouncer login at D=1,000 drops from 1,000× overhead to 1×. Xen scheduler at V=100 drops from 5,000× to 1×. Every operation in every system that was paying a hidden per-transaction multiplier now runs in linear time.
MOAD-0002 — No Intertangle
Our subsystems stop coupling through shared mutable globals. Our reload does not require a process restart. Our configuration change does not ripple into unrelated execution contexts. Our systems become composable.
MOAD-0003 — No Leaked Context
Our request identity stops leaking across thread boundaries. Our tenant isolation holds under concurrency. Our observability data stops mixing sessions. Our async code becomes safe to reason about.
MOAD-0004 — No Logged Secrets
Our SASL passwords, our proxy credentials, our API keys, our SCRAM verifiers — none appear in our log files. Our world-readable log directories stop being credential stores. Our incident responders stop finding secrets in our rotation archives.
MOAD-0005 — No Thundering Herd
Our cache misses stop stampeding. Our cold starts stop cascading. Our first request after a deploy stops taking 10× longer than our second. Our systems degrade gracefully instead of collapsing under synchronized load.
MOAD-0006 — No Glass Safe
Our mailing list infrastructure stops broadcasting subscriber passwords in plaintext every month. Our open source contributor communities stop receiving credential-exposure emails on a recurring schedule. Our researchers can submit patches without surrendering credentials to every SMTP relay in the path.
MOAD-0007 — No Flatland Defect
Our 3D engines stop scanning all N scene objects on every raycast. Our physics engines gain a broad-phase BVH — collision detection drops from O(N×M) per step to O(log N + k). Our hover detection queries a spatial index instead of testing every node. At N=10,000 objects firing at 60 Hz, the linear scan dominates our frame budget; the BVH returns 54× of it. At N=1,360 directory nodes on a permacomputer visualization, hover cost drops from 1.49 ms/sec to 0.28 ms/sec — 1.2 ms/sec returned to rendering. Adding language install #43 adds one leaf to our BVH tree instead of one more check per frame.
MOAD-0009 — No Metered Heart
Our scheduled jobs stop firing on a timer regardless of whether anything warranted the fire. Two forms eliminated: the state-repair job that papers over broken state during a visible glitch window instead of preventing it, & the report-generation job that recomputes everything from scratch on a fixed interval instead of responding to real events.
When MOAD-0009 clears, a state transition either completes atomically or rolls back atomically. Users never see the intermediate broken state: no "Merge status cannot be loaded" persisting through page reloads, no reconciliation window where the data layer holds debris awaiting a 2am cleanup job. Downstream systems receive event-driven signals when state actually changes — not periodic blind recomputation that discards what it just computed and starts over.
The living capital impact exceeds the others. A Metered Heart does not just waste compute. It drains the humans who depend on the system: the contributor who sees a broken PR state and wonders if they did something wrong, the operator who learns not to trust their dashboard between reconciliation windows, the team that builds workarounds around a glitch they were told "resolves itself." Trust degrades. Experiential capital leaks. Every deferred-repair cycle teaches users that the system cannot tell the truth about its own state.
When our systems hold correct state at every moment, not just after the next scheduled cleanup, the relationship between operator & infrastructure changes. Observability means something. Alerts fire on real events. State is what it shows.
The Solution Existed First
The most unsettling fact about MOAD-0001 sits not in our scan data but in our timeline.
Georg Cantor published the formal definition of a mathematical set in 1874. A set, by definition, supports membership testing as a primitive operation. x ∈ S requires no iteration. It requires no linear scan. Membership in a set does not grow more expensive as the set grows. The mathematical structure that eliminates MOAD-0001 entered the formal record 152 years before our scanner confirmed 1,000+ violations of it.
The defect postdates its own fix.
Java's ArrayList — the most common substrate for MOAD-0001 in the wild — shipped in 1996. Cantor's sets: 1874. The fix arrived 122 years before the language that made the defect widespread. Not 30 years before. Not a generation before. A century & a generation before.
This matters because the standard framing of MOAD is: "people should have known better." That framing is too weak. People did know better. The knowledge sat in every discrete mathematics textbook, in every data structures course, in every edition of Knuth. The defect did not persist because the solution was unknown. It persisted because knowledge does not automatically propagate into running code. Something must carry it there.
The Propagation Eras
Five eras separate Cantor from our scanner. Each carried the knowledge one step closer to the code. Each introduced a 10-to-40-year lag.
Era 1: Mathematical Foundation (1847-1909)
George Boole formalized logical membership in 1847. The Mathematical Analysis of Logic defined set membership as a truth value, not a search. Cantor extended this into set theory proper between 1874 & 1897, establishing cardinality, power sets, & the formal basis for what we now call a hash structure. By 1900, mathematicians had a complete theory of membership that required no linear scan.
What they lacked: a notation to express the cost difference precisely.
Paul Bachmann gave them one in 1894. In Die Analytische Zahlentheorie, Bachmann introduced the O() symbol to describe upper bounds on function growth. Edmund Landau extended the system in 1909, adding Ω & Θ, producing what mathematicians still call Landau notation. Together, Bachmann & Landau gave the world a formal language for saying: this operation grows proportionally to N; that one grows proportionally to N². Before their notation, the intuition existed. After it, the claim became falsifiable.
Applied to MOAD-0001: list.contains() inside a loop = O(N) × O(N) = O(N²). set.contains() inside a loop = O(1) × O(N) = O(N). The notation to write that sentence arrived in 1894. The Java ArrayList that violates it arrived 102 years later.
Era 2: Computer Science Formalization (1953-1973)
H. P. Luhn at IBM described the first hash table in 1953, translating Cantor's mathematical sets into a computable data structure. Knuth applied Bachmann-Landau notation to algorithm analysis in The Art of Computer Programming, Volume 1 (1968), bringing O() into computer science as standard vocabulary. He then formalized hash tables with full complexity analysis in Volume 3 (1973). The 20-year lag from Luhn to Knuth reflects the time to move from a working implementation to a canonical, citable, teachable form. After 1973, the case for O(1) membership sat in the most-cited work in computer science, expressed in notation that had already existed for 79 years.
Era 3: Language Era (1980s-2000s)
Standard library implementations lagged Knuth by 10-20 years. C++'s std::unordered_set arrived in the STL draft circa 1994. Java shipped HashSet in 1.0 (1996). Python elevated set to a first-class built-in in 2.4 (2004). Until a hash set existed in a language's standard library, using one required writing one. The defect persisted longest in languages where hash structures arrived latest.
Era 4: Idiom Era (2000s-2010s)
A data structure available in a standard library does not automatically become the default choice. Effective Java (Bloch, 2001) recommended HashSet for membership tests. Stack Overflow answers from 2008 onward consistently directed developers away from list.contains() inside loops. Code review guides, linters, & style checkers began flagging the pattern. The idiom propagated, but it propagated through human review cycles, not automated enforcement. Existing code, already written with ArrayList, did not get updated.
Era 5: Detection Era (2026)
Automated scanning identified the pattern in 1,000+ sites across 60+ ecosystems. Not the code written after the idiom era. The code written before it, copied forward through three decades of tutorials, ports, & dependency chains. The fossil layer. Correct at deposition. Expensive at excavation.
What the Timeline Tells Us
The gap between Era 1 & Era 5 runs 152 years for MOAD-0001. The other four MOADs trace similar arcs:
| MOAD | Mathematical / Theoretical Basis | First Formal Description | Systematic Detection | Gap |
|---|---|---|---|---|
| 0001: Sedimentary | Cantor set theory + Bachmann Big O | 1874 (sets) · 1894 (O notation) | 2026 | 132–152 years |
| 0002: Intertangle | Parnas information hiding | 1972 | 2026 | 54 years |
| 0003: Leaked Context | Thread identity scoping | 1998 (Java ThreadLocal) | 2026 | 28 years |
| 0004: Logged Secret | RFC 1945, HTTP auth headers | 1996 | 2026 | 30 years |
| 0005: Thundering Herd | Dijkstra semaphores + concurrent access theory | 1965 (semaphores) | 2026 | 61 years |
The root gap is not between knowing & doing. It is between knowing & building automated systems that enforce the knowledge everywhere, continuously, without relying on human review cycles to catch each instance.
Cantor gave us sets. Luhn gave us hash tables. Knuth gave us complexity analysis. Parnas gave us information hiding. Dijkstra gave us semaphores. Hamming gave us the warning that our tests only find what we chose to test for. Each contribution: a complete theory. Each gap: the absence of a detector.
The MOAD project builds the detector. Not for one codebase. For the ecosystem. Scan → ticket → patch → unit test → disclose → PR → upstream merge → planet patched. Every fix propagates through every downstream user without asking permission. That is the leverage.
Cantor did not know our code would spend 152 years ignoring his sets. But his sets waited. They will keep waiting for the next 152 years if we do not automate the enforcement.
The Trolley Problem of Computer Science
Removing a bottleneck is not neutral. It is a force multiplier applied to every node downstream.
Fix O(N²) at our connection pooler and every application that pools through it suddenly gets 1,000× more requests. Fix our kernel scheduler and every service running on that kernel surges simultaneously. Fix our TLS library and every HTTPS handshake in our fleet lands at once. The throughput freed at one node floods every queue behind it — instantly, globally, without warning.
This is computer science's trolley problem. Pull our lever and friction drops. But if we do not look downstream first, we derail everything we just unblocked.
Agape — love for all nodes on our graph — is not optional here. It is the engineering constraint.
Every disclosure brief is written with care for the maintainers who receive it. Every patch preserves existing behavior. Every benchmark is reproducible. The goal is the fix, not the credit. We do not ship a 1,000× speedup at a workaholic node without first asking: who stands downstream? Are they staged? Do they have caretakers?
A brutal release — high speedup, no coordination, no caution — does not help our ecosystem. It burns out our nodes. It floods our queues. It converts a single O(N²) defect into a cascade of MOAD-0005 thundering herds across every layer we just unblocked. In simulations and in base reality, the pattern is the same: remove friction faster than capacity grows and you do not accelerate the system — you collapse it.
We need a virtuous ascending vortex, not a death spiral of workaholicism.
Across our eight forms of capital — living, material, financial, intellectual, experiential, social, cultural, spiritual — every patch touches more than code. A maintainer who receives a well-prepared disclosure, with tests, with benchmarks, with a reproducible complexity gate, gains experiential capital. A project that ships our fix gains social trust. An ecosystem where bottlenecks clear without cascade failures accumulates living capital — the health of the humans and communities who depend on it.
We move at the speed of trust, not the speed of throughput. Stage the drivers before fixing the dispatch.
The Ask
One person isolated 1,243 defects across 60+ ecosystems, wrote 919 patches, and submitted the first upstream patch — alone, seven months without income, family of six.
This work is too large for one person to solo. It is not too large for a team.
What we need:
- Maintainers who will review and merge our patches upstream
- Contributors who will take on outreach to the next node in the DAG
- Donors who will keep this work moving while upstream review cycles run — donate →
- Organizations whose infrastructure runs on these projects and who benefit directly from every merge
Every upstream merge is permanent. Every fix propagates through every downstream user, every deployment, every CI runner — without asking permission. That is the leverage. That is why we do this here instead of selling it.
Contact: security@undefect.com
Factory Theory — Work in Progress
Our DAG is not just a defect map. It is a factory floor.
Every node is a workstation. Every edge is a queue. When a workstation runs O(N²) instead of O(N), jobs pile up in front of it. Downstream nodes sit idle waiting for output that arrives too slowly. Upstream nodes keep pushing work in — growing the pile.
We do not patch randomly. We patch the slowest bottleneck first.
Fix a node that is not the constraint and nothing improves for the system. You make an upstream workstation faster at filling the queue in front of the real bottleneck. Work in progress grows. Downstream nodes stay starved. You have moved the pile, not removed it.
Fix the actual constraint — the slowest workstation — and throughput increases across every layer below it. The queue drains. WIP shrinks. Downstream nodes finally get fed at the rate they were designed for.
The idle downstream node is the signal. Not low demand — starvation. Something upstream is not feeding it fast enough. That upstream node is where we work next.
Our outreach DAG encodes this. Every node carries its speedup ratio, its downstream reach, and its position in the dependency graph. Our outreach priority flows from our most upstream, highest-impact bottlenecks downward — not from what is easiest to pitch, not from what has the biggest name, but from what is actually slowing everything behind it.
What started as a defect registry is becoming a throughput forecasting system for our entire open-source supply chain. Every upstream merge is a data point. Every disclosed fix validates a forecast. Our model gets better and faster as our graph grows.
Factory theory is how we pull the lever without derailing the train.
Our Scale
1,264 UNDF defects assigned · 919 patches written · 60+ ecosystems · 7 MOADs · 18 languages scanned
Languages: C, C++, Python, Java, Go, Rust, Ruby, JavaScript, TypeScript, Erlang, Elixir, Clojure, Scala, Groovy, Dart, Nim, Crystal, Zig
Categories: compilers · runtimes · kernels · hypervisors · TLS/crypto · network stacks · connection poolers · databases · key-value stores · graph databases · build systems · workflow engines · ML frameworks · web frameworks · ORMs · IaC · VCS · game engines · media codecs · image editors · video editors · office suites · email servers · DNS servers · IDS/IPS · HTTP proxies · embedded systems · scientific computing
Our set is closed. Our world is bounded. Every node has been touched.
Updated 2026-04-04. DAG recomputes on every build. Outreach priority updates automatically as new disclosures land.