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

@david_chisnall@infosec.exchange
2.7K Followers
83 Following
6.7K Posts

I am Director of System Architecture at SCI Semiconductor and a Visiting Researcher at the University of Cambridge Computer Laboratory. I remain actively involved in the #CHERI project, where I led the early language / compiler strand of the research, and am the maintainer of the #CHERIoT Platform.

I was on the FreeBSD Core Team for two terms, have been an LLVM developer since 2008, am the author of the GNUstep Objective-C runtime (libobjc2 and associated clang support), and am responsible for libcxxrt and the BSD-licensed device tree compiler.

Opinions expressed by me are not necessarily opinions. In all probability they are random ramblings and should be ignored. Failure to ignore may result in severe boredom and / or confusion. Shake well before opening. Keep refrigerated.

Warning: May contain greater than the recommended daily allowance of sarcasm.

No license, implied or explicit, is granted to use any of my posts for training AI models.

There are a lot of legitimate reasons to criticise #Signal but I've noticed in the last few weeks a lot of people criticising it for really stupid reasons. Is there some coordinated disinformation campaign, some popular LLM that's spewing nonsense when asked about Signal security, or just a large enough critical mass of awareness that this is the normal proportion of idiots?
Anyone else remember when back when 'don't break the back button' was one of the core design rules for web interfaces?
Squirrels always look and act like it’s their first day being a squirrel.

Starmer: I lost control over the benefits rebellion because I was focused on foreign policy.
https://www.theguardian.com/politics/2025/jun/29/keir-starmer-lost-grip-labour-welfare-revolt-focus-foreign-affairs

So, not because he's an incompetent, authoritarian arse who ignored clear warning signs because he arrogantly assumed the rest of his party would do whatever he said, regardless of conscience?? Because I'm thinking it's more that, really...

Starmer says he lost grip on Labour welfare revolt due to focus on foreign affairs

Prime minister says he would ‘have liked to get to a better position with colleagues sooner than we did’

The Guardian
‘Make Britain Cool Again’ should be the new slogan for our Green Party.

Dear Sir/Madam/bespoke-gendered person,

I would like to cancel my subscription to Hot Weather, effective immediately.

I find your product does not agree with me.

Yours sincerely,

Hot & Harried of Harwell

Picard management tip: There's no need to solve hard problems alone. Admit when you need help.
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aunty Anca's face when i haz not posted a picture every day teh last month. i tryz hard, bro. not so easy to be delicious every day. #dogsOfMastodon #dogsOfPixelfed #dogs