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Épisode publié le January 12, 2022

#61 OVERCLOCK LE SOC, ON EST EN RETARD SUR LE KERNEL

Animé par Quentin Adam

Message à caractère informatique
Message à caractère informatique
#61 OVERCLOCK LE SOC, ON EST EN RETARD SUR LE KERNEL
/

Dans ce fabuleux épisode réalisé en famille avec Quentin Adam, Marc Antoine Perennou, Julien Durillon et Pierre Zemb, nous parlons de class action sur une entente Google / Apple sur les moteur de recherche, des processeurs Mobile eye by Intel et des annonces AMD et Intel pour de nouveaux procs, de GNUPG qui devient économiquement viable, du bug Exchange de l’an 2022. On vous présente les nouvelles recrues de Clever Cloud et enfin, on vous parle Kernel !

Timecodes & liens :

00:00:00 : Introduction

00:02:03
https://appleinsider.com/articles/22/01/04/class-action-lawsuit-alleges-google-pays-apple-to-stay-out-of-the-search-engine-market – https://twitter.com/techemails?lang=fr

00:07:48
https://www.intel.com/content/www/us/en/newsroom/resources/mobileye-ces-2022.html#gs.ksmzw1
https://fr.wikipedia.org/wiki/Mobileye

00:10:49 : Annonce proc au CES
https://www.theverge.com/2022/1/4/22866452/intel-amd-cpu-ces-2022-core-i9-12900ks-ryzen-processor that’s 22 for PCs, eight for gaming laptops, six in a new P series, 10 U series for thin-and-lights and four for cheap laptops and Chromebooks. Intel tease 5.5 GHz

00:13:28 : GnuPG devient économiquement viable
https://linuxfr.org/users/gouttegd/journaux/gnupg-devient-economiquement-viable-et-n-a-plus-besoin-de-dons
Annulation de tous les dons récurrents sur Paypal.
Message disant que c’est plus la peine de donner : https://gnupg.org/donate/index.html
Notamment en se faisant certifier par le Bundesamt für Sicherheit in der Informationstechnik
En parallèle, il y a aussi une nouvelle implem en rust qui, elle, expose une vraie lib : https://sequoia-pgp.org/ (rien de ouf , juste une nouvelle lib/appli)

00:18:51 : Exchange s’est tapé le bug de l’an 2022.
Microsoft releases emergency fix for Exchange year 2022 bug discovered that their servers were no longer delivering email. store the date in a signed int32 variable. Can’t convert “2201010001” However, this variable can store only a maximum value of 2,147,483,647, which is less than the new date value of 2,201,010,001 for January 1st, 2022, at midnight.
https://twitter.com/pbeyssac/status/1477370059664281606

00:22:13 Clever Cloud appoints Steven Le Roux as CTO and Cédric Biron as COO to continue its structuring

00:24:50
https://sysprog21.github.io/lkmpg/

00:28:00 : Kernel 5.13
https://kernelnewbies.org/Linux_5.13 landlock

  • LSM for sandboxing. Instead of targetting syscalls, targets kernel resources and objects Clang Control Flow Integrity
  • Crash on UB detection instead of letting potential attacks go on 00:39:30 Randomising stack address for each syscall – security ++ but perfs –

00:41:18 Apple M1 support

00:45:00 BPF programs can call kernel functions

00:47:30 misc cgroups: basic counter-based limits

00:50:00 KVM SGX support

00:51:25 = SMALL NEWS
A virtio sound driver for improved sound experience on virtualized guests https://www.qubes-os.org/

00:54:10 zstd compressed modules

00:57:55 WWAN subsystem io_uring support for multi shot mode

01:05:20 Musique par Jul(ien) : https://www.youtube.com/watch?v=yESgLltcd-k

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