Re: [PATCH v4 5/5] evm: Support multiple LSMs providing an xattr

From: Mimi Zohar
Date: Thu Nov 17 2022 - 12:10:29 EST


On Thu, 2022-11-10 at 10:46 +0100, Roberto Sassu wrote:
> From: Roberto Sassu <roberto.sassu@xxxxxxxxxx>
>
> Currently, evm_inode_init_security() processes a single LSM xattr from
> the array passed by security_inode_init_security(), and calculates the
> HMAC on it and other inode metadata.
>
> Given that initxattrs() callbacks, called by
> security_inode_init_security(), expect that this array is terminated when
> the xattr name is set to NULL, reuse the same assumption to scan all xattrs
> and to calculate the HMAC on all of them.
>
> Signed-off-by: Roberto Sassu <roberto.sassu@xxxxxxxxxx>

Thanks, Roberto. This looks good.

Mimi