linux-kernel - Re: [PATCH v2 0/3] audit: add support for openat2

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Date:   Fri, 30 Apr 2021 13:42:35 -0400
From:   Richard Guy Briggs <rgb@...hat.com>
To:     Linux-Audit Mailing List <linux-audit@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-fsdevel@...r.kernel.org
Cc:     Paul Moore <paul@...l-moore.com>,
        Eric Paris <eparis@...isplace.org>,
        Steve Grubb <sgrubb@...hat.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Eric Paris <eparis@...hat.com>, x86@...nel.org,
        linux-alpha@...r.kernel.org, linux-ia64@...r.kernel.org,
        linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-s390@...r.kernel.org, sparclinux@...r.kernel.org,
        Aleksa Sarai <cyphar@...har.com>
Subject: Re: [PATCH v2 0/3] audit: add support for openat2

On 2021-04-30 13:29, Richard Guy Briggs wrote:
> The openat2(2) syscall was added in v5.6.  Add support for openat2 to the
> audit syscall classifier and for recording openat2 parameters that cannot
> be captured in the syscall parameters of the SYSCALL record.

Well, that was a bit premature...  Commit descriptions in each of the
patches might be a good idea...  Somehow they got dropped from V1.  I
guess they seemed obvious to me.  :-)    Changelog might be a nice
addition too...  Sorry for the noise.

> Supporting userspace code can be found in
> https://github.com/rgbriggs/audit-userspace/tree/ghau-openat2
> 
> Supporting test case can be found in
> https://github.com/linux-audit/audit-testsuite/pull/103
> 
> Richard Guy Briggs (3):
>   audit: replace magic audit syscall class numbers with macros
>   audit: add support for the openat2 syscall
>   audit: add OPENAT2 record to list how
> 
>  arch/alpha/kernel/audit.c          | 10 ++++++----
>  arch/ia64/kernel/audit.c           | 10 ++++++----
>  arch/parisc/kernel/audit.c         | 10 ++++++----
>  arch/parisc/kernel/compat_audit.c  | 11 +++++++----
>  arch/powerpc/kernel/audit.c        | 12 +++++++-----
>  arch/powerpc/kernel/compat_audit.c | 13 ++++++++-----
>  arch/s390/kernel/audit.c           | 12 +++++++-----
>  arch/s390/kernel/compat_audit.c    | 13 ++++++++-----
>  arch/sparc/kernel/audit.c          | 12 +++++++-----
>  arch/sparc/kernel/compat_audit.c   | 13 ++++++++-----
>  arch/x86/ia32/audit.c              | 13 ++++++++-----
>  arch/x86/kernel/audit_64.c         | 10 ++++++----
>  fs/open.c                          |  2 ++
>  include/linux/audit.h              | 11 +++++++++++
>  include/linux/auditscm.h           | 24 +++++++++++++++++++++++
>  include/uapi/linux/audit.h         |  1 +
>  kernel/audit.h                     |  2 ++
>  kernel/auditsc.c                   | 31 ++++++++++++++++++++++++------
>  lib/audit.c                        | 14 +++++++++-----
>  lib/compat_audit.c                 | 15 ++++++++++-----
>  20 files changed, 168 insertions(+), 71 deletions(-)
>  create mode 100644 include/linux/auditscm.h
> 
> -- 
> 2.27.0
> 

- RGB

--
Richard Guy Briggs <rgb@...hat.com>
Sr. S/W Engineer, Kernel Security, Base Operating Systems
Remote, Ottawa, Red Hat Canada
IRC: rgb, SunRaycer
Voice: +1.647.777.2635, Internal: (81) 32635