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

From Steve Grubb <sgrubb@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH] fixup! audit: try harder to send to auditd upon netlink failure
Date 2015-09-18 11:20 +0200
Message-ID <q9ZZM-6Jw-13@gated-at.bofh.it> (permalink)
References <q9YKm-4Mg-9@gated-at.bofh.it>
Organization Red Hat

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On Fri, 18 Sep 2015 03:52:43 -0400
Richard Guy Briggs <rgb@redhat.com> 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@redhat.com>
> ---
>  kernel/audit.c |    5 ++++-
>  1 files changed, 4 insertions(+), 1 deletions(-)
> 
> diff --git a/kernel/audit.c b/kernel/audit.c
> index 18cdfe2..60913e6 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];
> +
> +				sprintf(s, "audit_pid=%d reset",
> audit_pid);

We normally use name=value for everything important. Reset by itself
will get dropped by auparse. action=reset (or something similar) would
be better.

-Steve

> +				audit_log_lost(s);
>  				audit_pid = 0;
>  				audit_sock = NULL;
>  			} else {

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Thread

[PATCH] fixup! audit: try harder to send to auditd upon netlink failure Richard Guy Briggs <rgb@redhat.com> - 2015-09-18 10:00 +0200
  Re: [PATCH] fixup! audit: try harder to send to auditd upon netlink  failure Steve Grubb <sgrubb@redhat.com> - 2015-09-18 11:20 +0200
    Re: [PATCH] fixup! audit: try harder to send to auditd upon netlink  failure Richard Guy Briggs <rgb@redhat.com> - 2015-09-18 12:10 +0200
  Re: [PATCH] fixup! audit: try harder to send to auditd upon netlink failure Paul Moore <pmoore@redhat.com> - 2015-09-18 22:40 +0200
    Re: [PATCH] fixup! audit: try harder to send to auditd upon netlink  failure Richard Guy Briggs <rgb@redhat.com> - 2015-09-20 00:00 +0200

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