[$] A look inside the BPF verifier

Date:
Tue, 23 Jul 2024 14:57:47 +0000

Description:
LWN has covered BPF since its initial introduction to Linux , usually through the lens of the newest
developments; this can make it hard to view the whole picture. BPF provides
a way to extend a running kernel, without having to recompile and reboot.
It does this in a safe way, so that malicious BPF
programs cannot crash a running kernel, thanks to the BPF verifier. So how does
the verifier actually work, what are its limits, and how has it changed since the early days of BPF?

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Link to news story:
https://lwn.net/Articles/982077/


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