linux-kernel - Re: [PATCH v3 3/5] LSM: Use lsm_context in security_inode

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Message-ID: <5e5c5e04ff82a8a8e94f02ecbe63b1fd@paul-moore.com>
Date: Thu, 31 Oct 2024 18:53:39 -0400
From: Paul Moore <paul@...l-moore.com>
To: Casey Schaufler <casey@...aufler-ca.com>, casey@...aufler-ca.com, linux-security-module@...r.kernel.org
Cc: jmorris@...ei.org, serge@...lyn.com, keescook@...omium.org, john.johansen@...onical.com, penguin-kernel@...ove.sakura.ne.jp, stephen.smalley.work@...il.com, linux-kernel@...r.kernel.org, selinux@...r.kernel.org, mic@...ikod.net, linux-nfs@...r.kernel.org
Subject: Re: [PATCH v3 3/5] LSM: Use lsm_context in security_inode_getsecctx

On Oct 23, 2024 Casey Schaufler <casey@...aufler-ca.com> wrote:
> 
> Change the security_inode_getsecctx() interface to fill a lsm_context
> structure instead of data and length pointers.  This provides
> the information about which LSM created the context so that
> security_release_secctx() can use the correct hook.
> 
> Signed-off-by: Casey Schaufler <casey@...aufler-ca.com>
> Cc: linux-nfs@...r.kernel.org
> ---
>  fs/nfsd/nfs4xdr.c             | 26 ++++++++++----------------
>  include/linux/lsm_hook_defs.h |  4 ++--
>  include/linux/security.h      |  5 +++--
>  security/security.c           | 12 ++++++------
>  security/selinux/hooks.c      | 10 ++++++----
>  security/smack/smack_lsm.c    |  7 ++++---
>  6 files changed, 31 insertions(+), 33 deletions(-)

See my note on patch 1/5, merging into lsm/dev.

--
paul-moore.com