Re: [PATCH v2 2/9] security: allow finer granularity in permitting copy-up of security xattrs

From: Paul Moore
Date: Tue Feb 20 2024 - 17:58:08 EST


On Mon, Feb 5, 2024 at 1:25 PM Stefan Berger <stefanb@xxxxxxxxxxxxx> wrote:
>
> Copying up xattrs is solely based on the security xattr name. For finer
> granularity add a dentry parameter to the security_inode_copy_up_xattr
> hook definition, allowing decisions to be based on the xattr content as
> well.
>
> Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>
> ---
> fs/overlayfs/copy_up.c | 2 +-
> include/linux/evm.h | 5 +++--
> include/linux/lsm_hook_defs.h | 3 ++-
> include/linux/security.h | 4 ++--
> security/integrity/evm/evm_main.c | 2 +-
> security/security.c | 7 ++++---
> security/selinux/hooks.c | 2 +-
> security/smack/smack_lsm.c | 2 +-
> 8 files changed, 15 insertions(+), 12 deletions(-)

Acked-by: Paul Moore <paul@xxxxxxxxxxxxxx> (LSM,SELinux)

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