Re: [PATCH v2 1/8] IMA: Add TCB policy as an example for ima_measurements.sh

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Hi Mimi,

> Hi Petr,

> On Fri, 2024-12-13 at 23:20 +0100, Petr Vorel wrote:
> > Taken from IMA docs [1], removed dont_measure fsmagic=0x1021994 (tmpfs)
> > as suggested by Mimi.

> > [1] https://ima-doc.readthedocs.io/en/latest/ima-policy.html#ima-tcb

> > Signed-off-by: Petr Vorel <pvorel@xxxxxxx>

> After thinking about it some more, anyone interested in constraining the
> "measure func=FILE_CHECK" rules based on LSM labels to avoid integrity
> violations would need to reboot the system anyway. [1]

> For this reason, please include the new dont_measure tmpfs rule as proposed in
> "[PATCH] ima: limit the builtin 'tcb' dont_measure tmpfs policy rule". [2]

Sure, I'll add in v3:

dont_measure fsmagic=0x1021994 func=FILE_CHECK

Kind regards,
Petr

> [1] Integrity violations -
> https://ima-doc.readthedocs.io/en/latest/event-log-format.html#template-data-hash

> [2]
> https://lore.kernel.org/linux-integrity/20241230142333.1309623-2-zohar@xxxxxxxxxxxxx/

> thanks,

> Mimi




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