Curtis Walker on Twitter: "@BenLaurie Well maybe you should broaden your scope a bit and look beyond memory safety? For instance, how does CHERI enforce a policy for a mission critical system such that X can never happen before Y?" / Twitter

I am puzzled by enthusiasm for various species of memory tagging, such as sifive.com/blog/sifive-sh, dovermicrosystems.com/solutions/core, community.arm.com/developer/ip-p, which provide either coarse-grained or statistical protection when there's CHERI, which is fine-grained and exact. 1/2

community.arm.com

Arm MTE architecture: Enhancing memory safety

Arm takes a look at security threats through not addressing memory safety and how Arm's Armv8.5-A Memory Tagging Extension (MTE) can help.

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Curtis Walker

@alphasnupe

Replying to

@BenLaurie

Well maybe you should broaden your scope a bit and look beyond memory safety? For instance, how does CHERI enforce a policy for a mission critical system such that X can never happen before Y?

2:33 AM · Oct 27, 2019Twitter for Android

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