Re: [PATCH V5 09/13] fork: audit on creation of new namespace(s)

From: Serge E. Hallyn
Date: Mon Oct 13 2014 - 09:15:01 EST


Quoting Richard Guy Briggs (rgb@xxxxxxxxxx):
> When clone(2) is called to fork a new process creating one or more namespaces,
> audit the event to tie the new pid with the namespace IDs.
>
> Signed-off-by: Richard Guy Briggs

Acked-by: Serge Hallyn <serge.hallyn@xxxxxxxxxxxxx>

> ---
> kernel/fork.c | 3 +++
> kernel/nsproxy.c | 1 +
> 2 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/kernel/fork.c b/kernel/fork.c
> index 6a13c46..a7fe4d5 100644
> --- a/kernel/fork.c
> +++ b/kernel/fork.c
> @@ -1624,6 +1624,9 @@ long do_fork(unsigned long clone_flags,
> get_task_struct(p);
> }
>
> + if (unlikely(clone_flags & CLONE_NEW_MASK)) {
> + audit_log_ns_info(p);
> + }
> wake_up_new_task(p);
>
> /* forking complete and child started to run, tell ptracer */
> diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
> index 0c2f25e..2cdc16b 100644
> --- a/kernel/nsproxy.c
> +++ b/kernel/nsproxy.c
> @@ -25,6 +25,7 @@
> #include <linux/proc_ns.h>
> #include <linux/file.h>
> #include <linux/syscalls.h>
> +#include <linux/audit.h>
>
> static struct kmem_cache *nsproxy_cachep;
>
> --
> 1.7.1
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