Stefan

@schteppe

Senior software engineer @StarStable. C++, physics, Jelly Mario, p2.js, cannon.js

Boden, Sverige jellymar.io Joined March 2009

1.8K Following 4.4K Followers 12K Posts

Latest posts 5

Stefan @schteppe 4h

Non-Blocking Continuous Code Reviews, a Case Study youtu.be/1wDBMC7JjGs?is…

www.youtube.com Non-Blocking Continuous Code Reviews, a Case Study - Thierry de Pauw - NDC Oslo 2026 This talk was recorded at NDC Oslo in Oslo, Norway. #ndcoslo #ndcco...

Stefan @schteppe 2d

Even MSVC has libFuzzer now. There’s no valid excuse for not fuzzing your C/C++ code

Stefan @schteppe 2d

Can’t believe some smooth brains answered C

Literally every popular language (except C) has bounds checking

Stefan @schteppe 2d

>Out-of-bounds read

Guess which language would have prevented this
View quoted post on X

Stefan @schteppe 2d

If your LLM:

- has access your private data
- can communicate externally
- is exposed to untrusted content

then an attacker can trick the agent into accessing your private data and sending it to that attacker.

Stefan @schteppe 2d

Having users (or QA) run your C/C++ on newer phones with hardware memory tagging enabled is pretty great.

Since they crash on use-after-free it’s almost like running sanitizers in production.

Let them crash, collect the stack trace, fix the code, repeat