linux-kernel - Re: [PATCH] fixup! audit: try harder to send to auditd upon netlink failure

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Date:	Tue, 22 Sep 2015 18:32:22 -0400
From:	Paul Moore <pmoore@...hat.com>
To:	Richard Guy Briggs <rgb@...hat.com>
Cc:	linux-audit@...hat.com, linux-kernel@...r.kernel.org,
	sgrubb@...hat.com, eparis@...hat.com, v.rathor@...il.com,
	ctcard@...mail.com
Subject: Re: [PATCH] fixup! audit: try harder to send to auditd upon netlink failure

On Saturday, September 19, 2015 05:52:50 PM Richard Guy Briggs wrote:
> A bug was introduced by "audit: try harder to send to auditd upon
> netlink failure", caused by incomplete code and a function that expects
> a string and does not accept a format plus arguments.  Create a
> temporary string variable to assemble the output text.  It could be
> merged as a fixup if it is not yet upstream.
> 
> Signed-off-by: Richard Guy Briggs <rgb@...hat.com>
> ---
>  kernel/audit.c |    5 ++++-
>  1 files changed, 4 insertions(+), 1 deletions(-)

Applied and both patches squashed into one.

> diff --git a/kernel/audit.c b/kernel/audit.c
> index 18cdfe2..9d32218 100644
> --- a/kernel/audit.c
> +++ b/kernel/audit.c
> @@ -420,7 +420,10 @@ restart:
>  		if (audit_pid) {
>  			if (err == -ECONNREFUSED || err == -EPERM
> 
>  			    || ++attempts >= AUDITD_RETRIES) {
> 
> -				audit_log_lost("audit_pid=%d reset");
> +				char s[32];
> +
> +				snprintf(s, sizeof(s), "audit_pid=%d reset", audit_pid);
> +				audit_log_lost(s);
>  				audit_pid = 0;
>  				audit_sock = NULL;
>  			} else {

-- 
paul moore
security @ redhat

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