Re: [RFC 2/2] ima: Fix detection of read/write violations on stacked filesystems

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On Tue, 16 Apr 2024 at 14:18, Mimi Zohar <zohar@xxxxxxxxxxxxx> wrote:
> Originally there was a single measureent unless the filesystem was mounted with
> SB_I_VERSION.  With commit a2a2c3c8580a ("ima: Use i_version only when
> filesystem supports it") this changed to always re-measure the file if the
> filesystem wasn't mounted with SB_I_VERSION.

Does the i_version get stored and compared only while the inode is in memory?

In that case I think it should be possible to support a version number
for the overlay inode.


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