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Finding a Bug in Chromium

https://bou.ke/blog/chromium-bug/
65•bouk•1y ago

Comments

rvz•1y ago
Great technical post, however:

> At Monumental we’ve building robots to automate construction, starting with masonry.

If you thought running to construction jobs was safe, well thanks to Monumental, it soon won't be.

The end goal is to achieve a 10% increase of global unemployment by the latest 2035 and 40% of employers anticipate reducing their workforce where AI can automate tasks by the 2030 deadline according to the WEF 2025 Future of Jobs report. [0]

Worse if earlier.

[0] https://www.weforum.org/publications/the-future-of-jobs-repo...

TheDong•1y ago
And according to OSHA, construction jobs account for more fatal injuries than any other job, so in a sense they're saving lives by reducing the number of dangerous jobs.

We've already managed to handle the desire to keep the sham of "jobs are a necessary part of life for everyone who isn't ultra-wealthy" going via Bullshit Jobs, we can keep inventing more Bullshit Jobs.

Heck, we probably both work Bullshit Jobs. Do we really need 20 different companies, all with thousands of employees, optimizing ad-impressions to make teenagers want to drink coke and buy nike shoes?

Do we really need 10 different "uber for pet-sitting your turtle" apps?

Each failed startup was, in reality, a large bag of bullshit jobs that transferred money from the VCs to bullshit-job workers, who's to say those people couldn't be ex construction workers?

Cthulhu_•1y ago
Given the author's name, he's Dutch which does use a lot of brick in their houses... for decoration, it's concrete blocks with prefab brick facades for at least two decades now, built by robots. See for example https://www.bouwtotaal.nl/2021/10/prefab-gevelelementen-voor...

The demand for housing and thus construction workers isn't going down any time soon; the Netherlands alone needs to build a million homes in the next decade and are running behind on that. Brick walls is just one task of many in a construction project, just like your JIRA or Github ticket is just one task of many in a software project.

bouk•1y ago
Prefab stone strips are used here and there but most brick facades are still built by hand on-site.

There's a huge shortage of workers, which is why we're working on this.

pjmlp•1y ago
Cooking and serving at tables also won't be an excape route, given that there are already kitchen and waitresses robots.

We are really going into a dystopian world, unless there is some event that disrupts the roadmap to drive everyone into unemployment, besides a few elite folks that get to profit from the robots.

The generations to come will have much more to worry about than climate, also note how all the ongoing wars, geopolitcs change back to cold war days, and AI race has made everyone forget about the planet.

Forcing us to use paper straws and wood cuttlery won't save us.

charcircuit•1y ago
My first guess would be that this early return is always happening after entering the bugged state. The one cleanup task could get stuck or not cleanup after itself properly.

    // Only one cleanup task is posted at a time.
    if (!HasDirtyJSFinalizationRegistries() || is_finalization_registry_cleanup_task_posted_) {
      return;
    }
https://source.chromium.org/chromium/chromium/src/+/main:v8/...
bouk•1y ago
Ah this makes a lot of sense, perhaps the posted flag doesn't get reset e.g. if this branch gets followed: https://source.chromium.org/chromium/chromium/src/+/main:v8/...
syg•1y ago
Yeah this is the bug. My bad, will fix.
donatj•1y ago
Hey! I too just filed my first Chromium bug[1]! They changed a behavior that broke opening new windows with tabs, and thus broke my advanced tab search extension Tabasco[2].

I was frankly impressed by the experience. They had me create a minimal extension illustrating the issue and were very quickly able automate a bisection that found its root, a security fix somewhat bluntly resolved. They've supposedly fixed the issue in an upcoming release I await with bated breath.

- [1] https://issues.chromium.org/issues/405283740

- [2] https://chromewebstore.google.com/detail/tabasco-advanced-ta...

tester756•1y ago
>FinalizationRegistry

>Avoid where possible

>Correct use of FinalizationRegistry takes careful thought, and it's best avoided if possible. It's also important to avoid relying on any specific behaviors not guaranteed by the specification. When, how, and whether garbage collection occurs is down to the implementation of any given JavaScript engine. Any behavior you observe in one engine may be different in another engine, in another version of the same engine, or even in a slightly different situation with the same version of the same engine. Garbage collection is a hard problem that JavaScript engine implementers are constantly refining and improving their solutions to.

Kinda tricky API

ketanhwr•1y ago
> A conforming JavaScript implementation, even one that does garbage collection, is not required to call cleanup callbacks.

Really looking forward to the "Explicit Resource Management" proposal[0] that sounds like a much better idea really.

[0]: https://github.com/tc39/proposal-explicit-resource-managemen...

panstromek•1y ago
Hm.. I would honestly try to avoid relying on finalization mechanism of a garbage collector like this. It sounds brittle from the start. Even without the bug, I can imagine you can get into a situation where some unused JS object holds a reference to a giant thing in wasm memory, but engine doesn't run the GC, because it technically doesn't know that, it only sees the little pointer object which seems small.

I think WASM had historically had some problem with freeing memory, so I'd probably rather rely on some pooling or arena with explicit memory size limit (for the whole allocated wasm memory).

Claude, please stop trying to memorize random crap

https://12gramsofcarbon.com/p/agentics-memorizing-session-transcripts
75•theahura•2h ago•47 comments

Half-Baked Product

https://weli.dev/blog/half-baked-product/
991•weli•9h ago•292 comments

The Life and Times of Maxis, Part 1: SimEverything

https://www.filfre.net/2026/07/the-life-and-times-of-maxis-part-1-simeverything/
43•doppp•1h ago•0 comments

Jamesob's guide to running SOTA LLMs locally

https://github.com/jamesob/local-llm
76•livestyle•2h ago•29 comments

International chess federation sanctions Kramnik

https://www.fide.com/fide-ethics-disciplinary-commission-issues-a-decision-in-case-involving-gm-v...
16•DarkContinent•45m ago•1 comments

Factories Are Just Rooms

https://interconnected.org/home/2026/07/03/factories
60•arbesman•2h ago•22 comments

Hunting a 16-year-old SQLite WAL bug with TLA+

https://ubuntu.com/blog/hunting-a-16-year-old-sqlite-bug-with-tla-is-dqlite-affected
70•peterparker204•3d ago•2 comments

PostgreSQL and the OOM Killer: Why We Use Strict Memory Overcommit

https://www.ubicloud.com/blog/postgresql-and-the-oom-killer-why-we-use-strict-memory-overcommit
99•furkansahin•4h ago•32 comments

My Dad Helped Build North America's Oat Supply Chain: Can It Be Remade?

https://ambrook.com/offrange/perspective/how-we-lost-our-oats
30•surprisetalk•3d ago•2 comments

Give Smart People the Tools to Do Smart Things

https://superuserdone.com/posts/2026-07-03-give-smart-people-the-tools/
64•SuperUserDone•3h ago•44 comments

Valve open source the Steam Machine e-ink screen so you can make your own

https://www.gamingonlinux.com/2026/07/valve-open-source-the-steam-machine-e-ink-screen-so-you-can...
348•ahlCVA•4h ago•51 comments

The Fall and Rise of Screwworm

https://www.construction-physics.com/p/the-fall-and-rise-of-screwworm
73•crescit_eundo•4h ago•25 comments

Wordgard: The new in-browser rich-text editor from the creator of ProseMirror

https://wordgard.net/
173•indy•8h ago•70 comments

America, 1926: What a Forgotten 100-Year-Old Report Says About Who We Are

https://www.derekthompson.org/p/america-1926-an-absurdly-deep-dive
68•momentmaker•2h ago•68 comments

Best Simple System for Now

https://dannorth.net/blog/best-simple-system-for-now/
37•daan-k•2h ago•7 comments

Right to Local Intelligence

https://righttointelligence.org/
440•thoughtpeddler•17h ago•154 comments

Supersonic flight returning to US after half-century ban

https://www.forbes.com/sites/suzannerowankelleher/2026/06/30/faa-supersonic-flight-no-boom/
93•lobbly•2d ago•94 comments

CarPlay Is Additive

https://www.caseyliss.com/2026/7/2/carplay-is-additive-you-dolts
497•sprawl_•16h ago•642 comments

Anatomy of Persistent Memory's 3 Layers: Comparing ContextNest, Mem0 and Zep

https://promptowl.ai/resources/persistent-memory-ai-agents/
16•sparkystacey•3h ago•0 comments

The Safari MCP server for web developers

https://webkit.org/blog/18136/introducing-the-safari-mcp-server-for-web-developers/
215•coloneltcb•16h ago•63 comments

How working with a blind client revealed invisible accessibility gaps

https://iinteractive.com/resources/blog/read-only
76•fortyseven•3d ago•57 comments

US residents angry datacenters 'shoved down our throats' are recalling officials

https://www.theguardian.com/us-news/2026/jul/03/datacenter-recall-elections
32•beardyw•1h ago•9 comments

Markets are competitive if and only if P != NP

https://arxiv.org/abs/2602.20415
175•kscarlet•2h ago•110 comments

crustc: entirety of `rustc`, translated to C

https://github.com/FractalFir/crustc
358•Philpax•18h ago•80 comments

60% Fable cost cut by converting code to images and having the model OCR it

https://github.com/teamchong/pxpipe
37•dimitropoulos•1h ago•12 comments

Commodore 64 Basic for PostgreSQL

https://thombrown.blogspot.com/2026/07/load-plcbmbasic81-commodore-64-basic.html
50•hans_castorp•8h ago•8 comments

Program-as-Weights: A Programming Paradigm for Fuzzy Functions

https://arxiv.org/abs/2607.02512
28•simonpure•5h ago•4 comments

Reality has a surprising amount of detail (2017)

https://johnsalvatier.org/blog/2017/reality-has-a-surprising-amount-of-detail
346•vinhnx•5d ago•131 comments

Local Reasoning for Global Properties

https://tratt.net/laurie/blog/2026/local_reasoning_for_global_properties.html
29•mpweiher•2d ago•3 comments

Quake in 13 Kilobytes (2021)

https://js13kgames.com/games/q1k3
122•mortenjorck•6d ago•18 comments