linux-kernel - Re: [PATCH RFC 10/15] LSM: allocate mnt_opts blobs instead of module specific data

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Message-ID: <3aa966ae48394feec053a63c8868ca0a@paul-moore.com>
Date: Tue, 14 Oct 2025 19:12:55 -0400
From: Paul Moore <paul@...l-moore.com>
To: Casey Schaufler <casey@...aufler-ca.com>, casey@...aufler-ca.com, eparis@...hat.com, linux-security-module@...r.kernel.org, audit@...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
Subject: Re: [PATCH RFC 10/15] LSM: allocate mnt_opts blobs instead of module  specific data

On Jun 21, 2025 Casey Schaufler <casey@...aufler-ca.com> wrote:
> 
> Replace allocations of LSM specific mount data with the
> shared mnt_opts blob.
> 
> Signed-off-by: Casey Schaufler <casey@...aufler-ca.com>
> ---
>  include/linux/lsm_hooks.h  |  1 +
>  security/security.c        | 12 ++++++++++++
>  security/selinux/hooks.c   | 10 +++++++---
>  security/smack/smack_lsm.c |  4 ++--
>  4 files changed, 22 insertions(+), 5 deletions(-)

We discussed the concepts in this patch in a separate patchset, lore link below.

https://lore.kernel.org/linux-security-module/20250925171208.5997-1-casey@schaufler-ca.com/

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