Re: [PATCH v30 05/12] LSM: Infrastructure management of the superblock

[PATCH v30 00/12] Landlock LSM · Mickaël Salaün <mic@digikod.net> · 2021-03-16
[PATCH v30 03/12] landlock: Set up the security framework and manage credentials · Mickaël Salaün <mic@digikod.net> · 2021-03-16
Re: [PATCH v30 03/12] landlock: Set up the security framework and manage credentials · Kees Cook <hidden> · 2021-03-19
Re: [PATCH v30 03/12] landlock: Set up the security framework and manage credentials · Mickaël Salaün <mic@digikod.net> · 2021-03-19
[PATCH v30 02/12] landlock: Add ruleset and domain management · Mickaël Salaün <mic@digikod.net> · 2021-03-16
Re: [PATCH v30 02/12] landlock: Add ruleset and domain management · Kees Cook <hidden> · 2021-03-19
Re: [PATCH v30 02/12] landlock: Add ruleset and domain management · Mickaël Salaün <mic@digikod.net> · 2021-03-19
Re: [PATCH v30 02/12] landlock: Add ruleset and domain management · Kees Cook <hidden> · 2021-03-19
Re: [PATCH v30 02/12] landlock: Add ruleset and domain management · James Morris <jmorris@namei.org> · 2021-03-24
Re: [PATCH v30 02/12] landlock: Add ruleset and domain management · Mickaël Salaün <mic@digikod.net> · 2021-03-25
Re: [PATCH v30 02/12] landlock: Add ruleset and domain management · Jann Horn <jannh@google.com> · 2021-03-23
[PATCH v30 01/12] landlock: Add object management · Mickaël Salaün <mic@digikod.net> · 2021-03-16
Re: [PATCH v30 01/12] landlock: Add object management · Kees Cook <hidden> · 2021-03-19
Re: [PATCH v30 01/12] landlock: Add object management · Mickaël Salaün <mic@digikod.net> · 2021-03-19
[PATCH v30 04/12] landlock: Add ptrace restrictions · Mickaël Salaün <mic@digikod.net> · 2021-03-16
Re: [PATCH v30 04/12] landlock: Add ptrace restrictions · Kees Cook <hidden> · 2021-03-19
[PATCH v30 06/12] fs,security: Add sb_delete hook · Mickaël Salaün <mic@digikod.net> · 2021-03-16
Re: [PATCH v30 06/12] fs,security: Add sb_delete hook · Kees Cook <hidden> · 2021-03-19
[PATCH v30 08/12] landlock: Add syscall implementations · Mickaël Salaün <mic@digikod.net> · 2021-03-16
Re: [PATCH v30 08/12] landlock: Add syscall implementations · Kees Cook <hidden> · 2021-03-19
Re: [PATCH v30 08/12] landlock: Add syscall implementations · Mickaël Salaün <mic@digikod.net> · 2021-03-19
Re: [PATCH v30 08/12] landlock: Add syscall implementations · Mickaël Salaün <mic@digikod.net> · 2021-03-24
[PATCH v30 09/12] arch: Wire up Landlock syscalls · Mickaël Salaün <mic@digikod.net> · 2021-03-16
[PATCH v30 05/12] LSM: Infrastructure management of the superblock · Mickaël Salaün <mic@digikod.net> · 2021-03-16
Re: [PATCH v30 05/12] LSM: Infrastructure management of the superblock · Kees Cook <hidden> · 2021-03-19
[PATCH v30 07/12] landlock: Support filesystem access-control · Mickaël Salaün <mic@digikod.net> · 2021-03-16
Re: [PATCH v30 07/12] landlock: Support filesystem access-control · James Morris <jmorris@namei.org> · 2021-03-18
Re: [PATCH v30 07/12] landlock: Support filesystem access-control · Kees Cook <hidden> · 2021-03-19
Re: [PATCH v30 07/12] landlock: Support filesystem access-control · Mickaël Salaün <mic@digikod.net> · 2021-03-19
Re: [PATCH v30 07/12] landlock: Support filesystem access-control · Mickaël Salaün <mic@digikod.net> · 2021-03-23
Re: [PATCH v30 07/12] landlock: Support filesystem access-control · Jann Horn <jannh@google.com> · 2021-03-23
Re: [PATCH v30 07/12] landlock: Support filesystem access-control · Mickaël Salaün <mic@digikod.net> · 2021-03-23
Re: [PATCH v30 07/12] landlock: Support filesystem access-control · Jann Horn <jannh@google.com> · 2021-03-23
Re: [PATCH v30 07/12] landlock: Support filesystem access-control · Mickaël Salaün <mic@digikod.net> · 2021-03-23
Re: [PATCH v30 07/12] landlock: Support filesystem access-control · Jann Horn <jannh@google.com> · 2021-03-24
[PATCH v30 11/12] samples/landlock: Add a sandbox manager example · Mickaël Salaün <mic@digikod.net> · 2021-03-16
Re: [PATCH v30 11/12] samples/landlock: Add a sandbox manager example · Kees Cook <hidden> · 2021-03-19
[PATCH v30 12/12] landlock: Add user and kernel documentation · Mickaël Salaün <mic@digikod.net> · 2021-03-16
Re: [PATCH v30 12/12] landlock: Add user and kernel documentation · Kees Cook <hidden> · 2021-03-19
Re: [PATCH v30 12/12] landlock: Add user and kernel documentation · Mickaël Salaün <mic@digikod.net> · 2021-03-19
Re: [PATCH v30 12/12] landlock: Add user and kernel documentation · Mickaël Salaün <mic@digikod.net> · 2021-03-23
Re: [PATCH v30 12/12] landlock: Add user and kernel documentation · Mickaël Salaün <mic@digikod.net> · 2021-03-24
Re: [PATCH v30 00/12] Landlock LSM · James Morris <jmorris@namei.org> · 2021-03-18
Re: [PATCH v30 00/12] Landlock LSM · Mickaël Salaün <mic@digikod.net> · 2021-03-19

From: Kees Cook <hidden>
Date: 2021-03-19 17:25:29
Also in: linux-api, linux-arch, linux-doc, linux-fsdevel, linux-kselftest, lkml

On Tue, Mar 16, 2021 at 09:42:45PM +0100, Mickaël Salaün wrote:

From: Casey Schaufler <casey@schaufler-ca.com>

Move management of the superblock->sb_security blob out of the
individual security modules and into the security infrastructure.
Instead of allocating the blobs from within the modules, the modules
tell the infrastructure how much space is required, and the space is
allocated there.

Cc: Kees Cook <redacted>
Cc: John Johansen <john.johansen@canonical.com>
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>

Reviewed-by: Kees Cook <redacted>

-- 
Kees Cook

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