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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


Submissions for the Refereed Track, Kernel Summit, BoF and Microconferences are now open. Please read our latest blog post for tips to contribute to LPC.

https://lpc.events/blog/current/index.php/2026/03/23/submission-time-for-linux-plumbers-2026/

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

RE: https://mastodon.radio/@abraxas3d/116302038166568943
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Am I 3D printing correctly?
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What is going on with the shortage of Raspberry Pi 5 8GB boards?
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📣 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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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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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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I need to find a better way to do this.
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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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Edited 2 months ago

I love how vibecoded commits are called vommits. It's so perfect.

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Ok, nerds. Here’s a photo of a beta XBox (One S?) in dazzle camo, from a random hallway cabinet in Redmond.
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I'm hoping to reproduce this cavity stabilized oscillator design from NIST but at 12 GHz as an ultra low phase noise reference clock for the vector signal generator. This nonsense is optional, the clock could be as simple as an LMX2594.

These pipe couplings are very close to what I need for a TE015 resonator at 12 GHz. They need some minor machining, polishing, endcaps, coupling loops.

https://tf.nist.gov/general/pdf/1887.pdf
https://tf.nist.gov/general/pdf/2729.pdf

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CFP for LPC 2026 is open!

Important dates:
Thursday, April 23, 2026: Deadline to submit proposals to host a microconference
Sunday, June 28, 2026: Deadline to submit LPC Refereed Track Presentations Proposals and Kernel Summit Presentations Proposals.

Please use the following to access the full CFP and submit your proposal!

https://lpc.events/event/20/abstracts/

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Linux Security Summit 🐧

🐧 Get your proposals in this week! The CfP closes this Sunday, 15 March. 👀 ⏰

RE: https://social.kernel.org/objects/b4dcda9a-582c-4803-9d6a-30e42dfc8538
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@occult What's stopping you from coding like this?

RE: https://vox.ominous.net/@occult/116103841606429399
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@palmer TIL there are JIS versions of these things :-)

RE: https://social.kernel.org/objects/5da2b96e-6715-46b8-b0ae-c1bfe65e4868
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Oddly, the standard metric sizes are 0.9 and 1.3mm. No idea why these tools are slightly different, nor why there's a random Phillips head. I assume excellent reasons, however.

RE: https://social.kernel.org/objects/ff0ff177-e6d7-4604-a913-3f6e611576e9
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These color-coded hex tools are proof that Japan is living in the future.
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