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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).

Flock worker calls police on reporter filming public camera installation

https://www.investigatetv.com/2026/09/08/flock-worker-calls-police-investigatetv-reporter-filming...
247•SanjayMehta•1h ago•161 comments

Astra and Fable still hack on simple variants of alignment evals from 2025

https://www.lesswrong.com/posts/munJKF7iWMsWJLAH2/astra-and-fable-still-hack-on-simple-variants-o...
41•Levitating•1h ago•6 comments

JetKVM Mini

https://jetkvm.com/blog/introducing-jetkvm-mini
330•taubek•7h ago•125 comments

'Fingerprints' inside the Sun could reveal if it once swallowed a planet

https://ras.ac.uk/news-and-press/research-highlights/fingerprints-inside-sun-could-reveal-if-it-o...
44•blincoln•3h ago•16 comments

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https://yoshuabengio.org/en/publication/why-are-ai-agents-lying-cheating-and-coordinating
424•jonifico•14h ago•500 comments

TailTalk: A modern async user space AppleTalk stack with Rust and Tokio

https://github.com/FeralFirmware/TailTalk/
33•zdw•15h ago•11 comments

Reverse engineering my e-scooter and rewriting the firmware in Rust

https://bensimms.moe/reverse-engineering-scooter/
90•vinhnx•3d ago•28 comments

Base84 deserves a place in file names

https://00f.net/2026/09/09/base84/
25•kevvok•2d ago•10 comments

US Customs supervisor busted for stealing hardware from Homeland Security PCs

https://www.tomshardware.com/pc-components/us-customs-supervisor-busted-for-stealing-core-i7-cpus...
61•Levitating•2h ago•41 comments

Why is the x86 undefined instruction called ud2? Why 2?

https://devblogs.microsoft.com/oldnewthing/20260910-00/?p=112689
11•ibobev•3h ago•4 comments

CUDA for AMD on Windows

https://github.com/Speedstu/CUDA-for-AMD-Windows
3•chiassedu80•1h ago•0 comments

Homebrew 7.0.0

https://brew.sh/2026/09/13/homebrew-7.0.0/
312•mikemcquaid•6h ago•130 comments

On Binary Translation and Its Consequences

https://chipsandcheese.com/p/on-binary-translation-and-its-consequences
24•matt_d•2d ago•8 comments

Make your first edit to OpenStreetMap

https://high5apps.github.io/josm-plugin-website-wizard/
532•juliantigler•23h ago•133 comments

Aligned to whom?

https://hyperbo.la/w/aligned-to-whom/
128•lopopolo•12h ago•66 comments

The Interim Computer Museum

https://icm.museum/
144•mulmen•12h ago•17 comments

Ode to Metadata

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8•surprisetalk•3d ago•1 comments

Houthis Used Claude Code to Develop Missile Guidance Software: Anthropic

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24•delichon•1h ago•19 comments

I Added a Non-Wi-Fi Mitsubishi AC to Home Assistant

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128•ichacas•3d ago•63 comments

Revolut confirms customer data breach through fake government requests

https://techcrunch.com/2026/09/12/revolut-confirms-customer-data-breach-through-fake-government-r...
112•tdrz•5h ago•75 comments

Key symbols we lost to time, pt. 1: The PC side

https://unsung.aresluna.org/key-symbols-we-lost-to-time-pt-1-the-pc-side/
15•leephillips•1h ago•0 comments

Apple iPod Engraver (2019)

https://dunstanorchard.com/apple-ipod-engraver/
259•NaOH•4d ago•67 comments

Paul A. M. Dirac, Interview by Friedrich Hund (1982) [video]

https://www.youtube.com/watch?v=xJzrU38pGWc
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Don't be the out of touch Kung Fu master

https://twitter.com/ID_AA_Carmack/status/2098443262214230095
200•dsubburam•17h ago•266 comments

Nvidia is the central bank of AI

https://www.economist.com/interactive/briefing/2026/09/03/nvidia-is-the-central-bank-of-ai
526•tolugenius•1d ago•381 comments

Stabilizing Rust's Never Type

https://lwn.net/SubscriberLink/1091015/d9e48318ed242b41/
224•cjd8•4d ago•81 comments

Show HN: Analyst Index – analysts who make money telling you good stock calls

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6•haichuan•3h ago•4 comments

Everyone should slow down AI development except for me

https://xeiaso.net/notes/2026/everyone-slowdown-but-me/
652•xena•15h ago•381 comments

A wandering black hole caught feeding on the run

https://phys.org/news/2026-08-black-hole-caught.html
49•wglb•11h ago•29 comments

Getting 50 GB/S Back from the Apple Neural Engine

https://eiln.github.io/posts/ane-dma.html
195•eiln•3d ago•29 comments