this post was submitted on 04 Jan 2024
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Android

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To celebrate a particular movie's nominations for the Golden Globes next Sunday, Jan 7, we are hosting our very own Golden Lemmy award for Best Android Device on [email protected].

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[โ€“] FutileRecipe 33 points 11 months ago (1 children)

Pixel 8 Pro. Google's current flagship device, arguably the most secure device on the market, and is first to include Memory Tagging Extension (MTE). As such, it is supported by GrapheneOS, which I highly recommend due to the increased security and control over your own phone (starting with sandboxing the Play Store if you use it, and not giving Google full system privileges like stock/OEM OS does).

When fully integrated into the compiler and each heap allocator, MTE enforces a form of memory safety. It detects memory corruption as it happens. 4 bit tags limit it to probabilistic detection for the general case, but deterministic guarantees are possible via reserving tags.

In hardened_malloc, we deterministically prevent sequential overflows by excluding adjacent tags. We exclude a tag reserved for free tag and the previous tag used for the previous allocation in the slot to help with use-after-free detection alongside FIFO and random quarantines.

https://nitter.net/GrapheneOS/status/1716945639198880037

[โ€“] [email protected] 4 points 11 months ago

I fully agree. GrapheneOS also just received an update which allows to use Android Auto. The only thing I know of that's not working under GrapheneOS is therefore Google Pay which is okay for me. This software combined with the Hardware is awesome.