[$] A visualizer for BPF program state
Date:
Fri, 19 Dec 2025 15:08:50 +0000
Description:
The BPF verifier is complicated. It needs to check every possible path that a BPF program's execution could take. The fact that its determination of
whether a
BPF program is safe is based on the whole lifetime of the program, instead of simple local factors, means that the cause of a verification
failure is not always obvious. Ihor Solodrai and Jordan Rome gave a presentation
( slides )
at the 2025 Linux Plumbers Conference in Tokyo about
the BPF verifier visualizer that they have been building
to make diagnosing verification failures easier.
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Link to news story:
https://lwn.net/Articles/1050585/
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