[PATCH v3 31/34] ima,evm: move initcalls to the LSM framework

Mimi Zohar zohar at linux.ibm.com
Mon Sep 8 22:33:46 UTC 2025


On Sun, 2025-09-07 at 21:05 -0400, Paul Moore wrote:
> > The "unrelated to IMA/EVM" wording misses the point.  An exception was made to
> > load the pre-boot keys onto the .platform keyring in order for IMA/EVM to verify
> > the kexec kernel image appended signature.  This exception was subsequently
> > extended to verifying the pesigned kexec kernel image signature.  (Other
> > subsystems are abusing the keys on the .platform keyring to verify other
> > signatures.)
> > 
> > Instead of saying "unrelated to IMA/EVM", how about saying something along the
> > lines of "IMA has a dependency on the platform and machine keyrings, but this
> > dependency isn't limited to IMA/EVM."
> > 
> > Paul, this patch set doesn't apply to cleanly to Linus's tree.  What is the base
> > commit?
> 
> It would have been based on the lsm/dev branch since the LSM tree is
> the target, however, given the scope of the patchset and the fact that
> it has been several weeks since it was originally posted, I wouldn't
> be surprised it if needs some fuzzing when applied on top of lsm/dev
> too.

Thanks, Paul.  I was able to apply the patches and run some regression tests.

Mimi





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