Re: [PATCH V5 11/13] audit: emit AUDIT_NS_INFO record with AUDIT_VIRT_CONTROL record

From: Serge E. Hallyn
Date: Mon Oct 13 2014 - 09:34:17 EST


Quoting Richard Guy Briggs (rgb@xxxxxxxxxx):
> Signed-off-by: Richard Guy Briggs <rgb@xxxxxxxxxx>
> ---
> include/uapi/linux/audit.h | 2 ++
> kernel/audit.c | 2 ++
> 2 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
> index 7ec7209..beb23f7 100644
> --- a/include/uapi/linux/audit.h
> +++ b/include/uapi/linux/audit.h
> @@ -163,6 +163,8 @@
>
> #define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */
>
> +#define AUDIT_VIRT_CONTROL 2500 /* Start, Pause, Stop VM */
> +
> /* Rule flags */
> #define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */
> #define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */
> diff --git a/kernel/audit.c b/kernel/audit.c
> index 84590d1..5404c24 100644
> --- a/kernel/audit.c
> +++ b/kernel/audit.c
> @@ -941,6 +941,8 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
> }
> audit_set_portid(ab, NETLINK_CB(skb).portid);
> audit_log_end(ab);
> + if (msg_type == AUDIT_VIRT_CONTROL)
> + audit_log_ns_info(NULL);

AFAICT your patchset leaves audit_log_ns_info() immediately returning if
arg1 is NULL. Is handling that coming later? Why not leave this until
that patch comes?

> mutex_lock(&audit_cmd_mutex);
> }
> break;
> --
> 1.7.1
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