Re: Clear kernel audit buffer?
Hi Richard,
Thanks for the quick reply.
Yes, I did run auditctl -D to clear all rules. And during testing I
have enlarged the buffer queue to 10240 messages.
Did you mean that once -D is issued, the buffer will be cleared by
auditd, but not by linux kernel?
On Tue, Jan 14, 2014 at 3:24 AM, Richard Guy Briggs <rgb(a)redhat.com> wrote:
On 13/12/26, Aaron Lewis wrote:
> Hi,
>
> I'm doing a stress test on auditd, so I add a rule to monitor "open"
> syscall, then I use a c program to generate massive amount of logs.
> The program finished and exited.
>
> But I generated too much, if I kill auditd and start it again, I can
> still see a lot of type=SYSCALL logs. (But not CWD or PATH)
>
> Can I clear the existing buffer?
Did you remove the rule that caused the massive amount of logging?
Auditd will drain that buffer. The default is a queue of 64 messages,
which should drain reasonably quickly if the rule has been removed and
the queue length hasn't been overridden to a huge value. Otherwise,
there is no other way to drain that buffer.
> Aaron Lewis - PGP: 0xDFE6C29E ( http://keyserver.veridis.com )
- RGB
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Richard Guy Briggs <rbriggs(a)redhat.com>
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Best Regards,
Aaron Lewis - PGP: 0x13714D33 - http://pgp.mit.edu/
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