Posts
644
Following
534
Followers
432
Linux Kernel security developer, working for Microsoft. Also W7TXT. Views are my own.
Topics: #Linux #kernel #security, #amateurradio, #RF, #hamradio, #electronics, #science, #radioastronomy, #physics, #space, #arduino.

📡 https://w7txt.net/
🐧 https://blog.namei.org/
☠️ https://www.facebook.com/w7txt
jmorris

James Morris

Protip: if you're chatting with an LLM about an idea that might be patentable, ask it about the confidentially status of your chat.
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jmorris

James Morris

@abraxas3d Michelle is driving a massive amount of citizen science.

RE: https://mastodon.radio/@abraxas3d/116302038166568943
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jmorris

James Morris

Am I 3D printing correctly?
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jmorris

James Morris

What is going on with the shortage of Raspberry Pi 5 8GB boards?
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jmorris
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allsystemsgo@fosstodon.org

All Systems Go!

📣 The CFP for All Systems Go! 2026 is now open!
Submit your talk about foundational user-space Linux technologies now 👉 https://cfp.all-systems-go.io/all-systems-go-2026/cfp

ℹ️ More info here: https://all-systems-go.io/

🎫 Tickets go on sale in April.

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jmorris

James Morris

Reply to @david_chisnall@infosec.exchange
@david_chisnall @bsdphk @cheri_alliance you can order a Sonata board on Mouser?
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jmorris

James Morris

Reply to
@llvm the gap between seeing an unknown exploit and reverse engineering it?
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jmorris
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david_chisnall@infosec.exchange

David Chisnall (*Now with 50% more sarcasm!*)

We’ll be talking more about the progress on the CHERIoT port of Rust at CHERI Blossoms next week, but here’s a teaser:

The embedded graphics crate rendering an image on Sonata. This currently using a (memory-safe) C function to draw pixels (that can go away with a little bit more work) but the current compiler is able to build this crate and run it in a CHERIoT compartment.

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jmorris

James Morris

Reply to @jpsays@mastodon.social
@jpsays looks like a phishing attempt.
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jmorris

James Morris

Oh great. If you see an elephant with an IR flashlight on the side of the road, beware. https://www.ndss-symposium.org/ndss-paper/targeted-physical-evasion-attacks-in-the-near-infrared-domain/
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jmorris

James Morris

I need to find a better way to do this.
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jmorris

James Morris

Reply to @etchedpixels@mastodon.social
@etchedpixels @tbortels @lauren Solaris has entered the with no C compiler.
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jmorris

James Morris

Reply to @mcdanlj@social.makerforums.info
@mcdanlj tried a simpler project from scratch with a newer model. Took about an hour, then each new feature took 5-10 mins each. Saved many hours of work. https://github.com/xjamesmorris/pskreporter-tool
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jmorris

James Morris

Reply to @gigabecquerel@chaos.social
@gigabecquerel PEEK, which I know only as "that stuff I can't 3d print at home"
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jmorris

James Morris

Reply to @Edent@mastodon.social
@Edent Temu entered the chat.
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jmorris

James Morris

Reply to @mcdanlj@social.makerforums.info
@mcdanlj yep, I assume they will abstract all of this away somehow. btw, it is doing some impressive things already. I said "you are a very senior developer and keen to impress with clean, bug-free code" and that seemed to have a big impact on its attitude. This is for controlling a radio via C-IV over serial, a messy undertaking especially for cross-platform UI and hardware. I told it to make a radio simulator which listens on a local UDP port for testing & it saved me probably hours just on that.
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jmorris

James Morris

Reply to @mcdanlj@social.makerforums.info
@mcdanlj very useful, thanks. I think you may be describing the context window? I've seen it in other non-gen AI areas.
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jmorris

James Morris

Reply to @mcdanlj@social.makerforums.info
@mcdanlj Thanks for the info! I'm expecting to need to provide a lot of structure & prompting, which is the real aim of the learning exercise for me here, but I was surprised it did some very random things that did not have any internal logical consistency. This is with Haiku, so perhaps it will be better with one of the current models. At some point I gather we will have an agent which also does the prompt development & managing of the coding AI?
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jmorris

James Morris

Reply to @penguin42@mastodon.org.uk
@penguin42 nope, good idea.
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jmorris

James Morris

I've been experimenting with having Claude finish an unfinished coding project. You've really got to watch it like a hawk. It does some inexplicable things like removing important comments, fixing non-existent buffer overflows, breaking protocol parsing etc. What am I missing?
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