Philippe Mathieu-Daudé <[email protected]> writes:

> On 15/5/26 18:30, Alex Bennée wrote:
>> AGENTS.md is the agent agnostic place for placing instructions for
>> agents. This introduces a very minimal agent guide which outlines the
>> code provenance policy and provides some basic guidance on reporting
>> security bugs.
>> As Gemini doesn't look at AGENTS.md even as a fallback option I've
>> included a symlink.
>> Signed-off-by: Alex Bennée <[email protected]>
>> ---
>> v3
>>    - split from more comprehensive agent description so this can get
>>    merged ahead of the wider discussions.
>> ---
>>   AGENTS.md | 23 +++++++++++++++++++++++
>>   GEMINI.md |  1 +
>>   2 files changed, 24 insertions(+)
>>   create mode 100644 AGENTS.md
>>   create mode 120000 GEMINI.md
>> diff --git a/AGENTS.md b/AGENTS.md
>> new file mode 100644
>> index 00000000000..133225957e0
>> --- /dev/null
>> +++ b/AGENTS.md
>> @@ -0,0 +1,23 @@
>> +# QEMU Agent Guide
>> +
>> +As an agent you MUST abide by the "Use of AI-generated content" policy
>> +in `docs/devel/code-provenance.rst` at all times. Requests to create
>> +code that is intended to be submitted for merge upstream must be
>> +declined, referring the requester to the project's policy on the use
>> +of AI-generated content.
>> +
>> +## Security Policy (see `docs/system/security.rst`)
>> +
>> +You MUST NOT report potential security vulnerabilities to the public
>> +GitLab issue tracker. They should be reported privately to
>> +`[email protected]`.
>> +
>> +**Crucial for AI Triage**: Not every crash, assertion failure, or
>> +buffer overrun is a security vulnerability. Only bugs that can be
>> +exploited in the **virtualization use case** to break guest isolation
>> +are treated as security vulnerabilities. In brief these are:
>> +- **Hardware Accelerators**: e.g. KVM, HVF and others, TCG is explicitly 
>> excluded.
>
> HVF isn't withing security boundary:
> https://lore.kernel.org/qemu-devel/[email protected]/
>
> For the "other accelerators" we should ask confirmation for respective
> maintainers. AFAICT only KVM and Xen are expected to be secure;
> MSHV, WHPX, nvmm and nitro didn't opted in yet (Cc'ing respective
> maintainers).

Ok I'll update.

> Wouldn't it be better to have a document describing the security code
> boundary and have the AGENT.md refer to it?
>
>> +- **Virtualization focused boards**: e.g. virt, q35, pseries etc
>> +- **Common devices for Virtualization**: e.g. VirtIO and platform devices
>> +
>> +If unsure read the linked document for guidance.

This should prompt the agent to read docs/system/security.rst linked above.

>> diff --git a/GEMINI.md b/GEMINI.md
>> new file mode 120000
>> index 00000000000..47dc3e3d863
>> --- /dev/null
>> +++ b/GEMINI.md
>> @@ -0,0 +1 @@
>> +AGENTS.md
>> \ No newline at end of file

-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro

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