Re: [RFC][PATCH v3 01/10] ima: Introduce hook DIGEST_LIST_CHECK

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On Fri, 2024-09-06 at 12:41 +0300, Jarkko Sakkinen wrote:
> On Thu Sep 5, 2024 at 6:25 PM EEST, Roberto Sassu wrote:
> > From: Roberto Sassu <roberto.sassu@xxxxxxxxxx>
> > 
> > Introduce a new hook to check the integrity of digest lists.
> 
> "Introduce DIGEST_LIST_CHECK, a new hook..."
> 
> > 
> > The new hook is invoked during a kernel read with file type
> 
> "with the file type"
> 
> 
> > READING_DIGEST LIST, which is done by the Integrity Digest Cache when it is
> > populating a digest cache with a digest list.
> 
> The patch creates a new struct imap_rule_entry instance when it parses
> the corresponding rule, which means that there are couple slices of
> information missing here:
> 
> 1. The commit message does not tell what the code change effectively
>    is. I scavenged this information from [1].

Sorry, to me it seems a bit redundant to state what a IMA hook is. The
new hook will be handled by IMA like the other existing hooks.

> 2. The commit message does no effort to connect the dots between the
>    effective change and the expected goal.

Sure, will mention the goal better.

Thanks

Roberto

> I'd put a lot of effort to this commit message assuming that the new
> hook is at the center of the goals of this patch set.
> 
> [1] https://elixir.bootlin.com/linux/v6.10-rc4/source/security/integrity/ima/ima_policy.c#L1404
> 
> BR, Jarkko






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