Re: [PATCH v1 2/8] LSM: Add an LSM identifier for external use

(off-list ancestor, not in this archive)
[PATCH v1 0/8] LSM: Two basic syscalls · Casey Schaufler <casey@schaufler-ca.com> · 2022-10-25
[PATCH v1 1/8] LSM: Identify modules by more than name · Casey Schaufler <casey@schaufler-ca.com> · 2022-10-25
Re: [PATCH v1 1/8] LSM: Identify modules by more than name · Greg KH <gregkh@linuxfoundation.org> · 2022-10-26
[PATCH v1 2/8] LSM: Add an LSM identifier for external use · Casey Schaufler <casey@schaufler-ca.com> · 2022-10-25
Re: [PATCH v1 2/8] LSM: Add an LSM identifier for external use · Greg KH <gregkh@linuxfoundation.org> · 2022-10-26
Re: [PATCH v1 2/8] LSM: Add an LSM identifier for external use · Casey Schaufler <casey@schaufler-ca.com> · 2022-10-26
Re: [PATCH v1 2/8] LSM: Add an LSM identifier for external use · Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> · 2022-10-27
Re: [PATCH v1 2/8] LSM: Add an LSM identifier for external use · Greg KH <gregkh@linuxfoundation.org> · 2022-10-27
Re: [PATCH v1 2/8] LSM: Add an LSM identifier for external use · Casey Schaufler <casey@schaufler-ca.com> · 2022-10-28
Re: [PATCH v1 2/8] LSM: Add an LSM identifier for external use · Paul Moore <paul@paul-moore.com> · 2022-11-09
Re: [PATCH v1 2/8] LSM: Add an LSM identifier for external use · Casey Schaufler <casey@schaufler-ca.com> · 2022-11-10
Re: [PATCH v1 2/8] LSM: Add an LSM identifier for external use · Paul Moore <paul@paul-moore.com> · 2022-11-10
Re: [PATCH v1 2/8] LSM: Add an LSM identifier for external use · Paul Moore <paul@paul-moore.com> · 2022-11-09
Re: [PATCH v1 2/8] LSM: Add an LSM identifier for external use · Casey Schaufler <casey@schaufler-ca.com> · 2022-11-10
[PATCH v1 3/8] LSM: Identify the process attributes for each module · Casey Schaufler <casey@schaufler-ca.com> · 2022-10-25
Re: [PATCH v1 3/8] LSM: Identify the process attributes for each module · Greg KH <gregkh@linuxfoundation.org> · 2022-10-26
Re: [PATCH v1 3/8] LSM: Identify the process attributes for each module · Paul Moore <paul@paul-moore.com> · 2022-11-09
Re: [PATCH v1 3/8] LSM: Identify the process attributes for each module · Casey Schaufler <casey@schaufler-ca.com> · 2022-11-10
Re: [PATCH v1 3/8] LSM: Identify the process attributes for each module · Paul Moore <paul@paul-moore.com> · 2022-11-10
[PATCH v1 4/8] LSM: Maintain a table of LSM attribute data · Casey Schaufler <casey@schaufler-ca.com> · 2022-10-25
Re: [PATCH v1 4/8] LSM: Maintain a table of LSM attribute data · Greg KH <gregkh@linuxfoundation.org> · 2022-10-26
Re: [PATCH v1 4/8] LSM: Maintain a table of LSM attribute data · Casey Schaufler <casey@schaufler-ca.com> · 2022-10-27
Re: [PATCH v1 4/8] LSM: Maintain a table of LSM attribute data · Greg KH <gregkh@linuxfoundation.org> · 2022-10-27
Re: [PATCH v1 4/8] LSM: Maintain a table of LSM attribute data · Casey Schaufler <casey@schaufler-ca.com> · 2022-10-27
Re: [PATCH v1 4/8] LSM: Maintain a table of LSM attribute data · Greg KH <gregkh@linuxfoundation.org> · 2022-10-27
Re: [PATCH v1 4/8] LSM: Maintain a table of LSM attribute data · Paul Moore <paul@paul-moore.com> · 2022-11-09
[PATCH v1 5/8] proc: Use lsmids instead of lsm names for attrs · Casey Schaufler <casey@schaufler-ca.com> · 2022-10-25
[PATCH v1 6/8] LSM: lsm_self_attr syscall for LSM self attributes · Casey Schaufler <casey@schaufler-ca.com> · 2022-10-25
Re: [PATCH v1 6/8] LSM: lsm_self_attr syscall for LSM self attributes · kernel test robot <hidden> · 2022-10-25
Re: [PATCH v1 6/8] LSM: lsm_self_attr syscall for LSM self attributes · Greg KH <hidden> · 2022-10-26
Re: [PATCH v1 6/8] LSM: lsm_self_attr syscall for LSM self attributes · kernel test robot <hidden> · 2022-10-26
Re: [PATCH v1 6/8] LSM: lsm_self_attr syscall for LSM self attributes · kernel test robot <hidden> · 2022-10-26
Re: [PATCH v1 6/8] LSM: lsm_self_attr syscall for LSM self attributes · kernel test robot <hidden> · 2022-10-26
Re: [PATCH v1 6/8] LSM: lsm_self_attr syscall for LSM self attributes · Paul Moore <paul@paul-moore.com> · 2022-11-09
Re: [PATCH v1 6/8] LSM: lsm_self_attr syscall for LSM self attributes · Casey Schaufler <casey@schaufler-ca.com> · 2022-11-10
Re: [PATCH v1 6/8] LSM: lsm_self_attr syscall for LSM self attributes · Paul Moore <paul@paul-moore.com> · 2022-11-10
Re: [PATCH v1 6/8] LSM: lsm_self_attr syscall for LSM self attributes · Paul Moore <paul@paul-moore.com> · 2022-11-10
Re: [PATCH v1 6/8] LSM: lsm_self_attr syscall for LSM self attributes · Casey Schaufler <casey@schaufler-ca.com> · 2022-11-11
Re: [PATCH v1 6/8] LSM: lsm_self_attr syscall for LSM self attributes · Paul Moore <paul@paul-moore.com> · 2022-11-11
[PATCH v1 8/8] lsm: wireup syscalls lsm_self_attr and lsm_module_list · Casey Schaufler <casey@schaufler-ca.com> · 2022-10-25
Re: [PATCH v1 8/8] lsm: wireup syscalls lsm_self_attr and lsm_module_list · Geert Uytterhoeven <geert@linux-m68k.org> · 2022-10-26
[PATCH v1 7/8] LSM: Create lsm_module_list system call · Casey Schaufler <casey@schaufler-ca.com> · 2022-10-25
Re: [PATCH v1 7/8] LSM: Create lsm_module_list system call · Greg KH <gregkh@linuxfoundation.org> · 2022-10-26
Re: [PATCH v1 7/8] LSM: Create lsm_module_list system call · kernel test robot <hidden> · 2022-10-26
Re: [PATCH v1 7/8] LSM: Create lsm_module_list system call · Paul Moore <paul@paul-moore.com> · 2022-11-09
Re: [PATCH v1 7/8] LSM: Create lsm_module_list system call · Casey Schaufler <casey@schaufler-ca.com> · 2022-11-10
Re: [PATCH v1 7/8] LSM: Create lsm_module_list system call · Paul Moore <paul@paul-moore.com> · 2022-11-10

From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Date: 2022-10-27 00:11:48
Also in: linux-security-module, lkml

Possibly related (same subject, not in this thread)

2022-11-23 · [PATCH v1 2/8] LSM: Add an LSM identifier for external use · Casey Schaufler <casey@schaufler-ca.com>

quoted

+ */
+
+#ifndef _UAPI_LINUX_LSM_H
+#define _UAPI_LINUX_LSM_H
+
+/*
+ * ID values to identify security modules.
+ * A system may use more than one security module.
+ *
+ * LSM_ID_XXX values 0 - 31 are reserved for future use

Reserved for what?  Why?

You're not the first person to ask. I'll remove the reserved values
for the next version. The invalid value has to change as the id field
is going to be unsigned.

Don't define a user-visible static integer for LSM module.
We can continue using names or dynamically assigned integer.

https://lkml.kernel.org/r/a0567b10-fa83-50f4-7bf6-937e0c677e60@I-love.SAKURA.ne.jp

Nacked-by: Tetsuo Handa [off-list ref]

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