Re: [PATCH v2 4/5] agents: add a skill to find other instances of a fixed bug

[Sasha Levin <sashal@kernel.org>]

On Mon, Oct 12, 2026 at 09:02:46PM -0700, Kees Cook wrote:
>On Mon, Oct 12, 2026 at 05:34:51PM -0400, Sasha Levin wrote:
>> A bug fixed in one place often exists elsewhere, in copied code, sibling
>> drivers, or other users of the same interface, and reviewers routinely
>> ask whether that was checked. Add a read-only procedure that states the
>> defect as a rule, searches for it through shared interfaces, copied
>> code, the introducing series, Coccinelle patterns and earlier fixes,
>> and verifies each candidate before reporting it.
>
>Isn't this a basic software engineering skill? I'd expect this to be in
>any agent's existing model, but okay, there's some Linux-specific aiming
>in this skill (duplicated drivers, etc).

This actually comes from a local rig I have to teach it to use tools like
Coccinelle for these tasks instead of going on a 10 hour, 50 million token
adventure auditing our entire set of drivers in the kernel :)

>I'd still prefer that this documentation, which we don't really have
>anywhere else in the tree that I'm aware of, should be in a human area,
>with the skill referencing it instead of duplicating it.

Ack. Let me think about this.

-- 
Thanks,
Sasha