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From: Kees Cook <keescook@chromium.org>
To: Steve Grubb <sgrubb@redhat.com>
Cc: Linux Audit <linux-audit@redhat.com>
Subject: Re: Limiting SECCOMP audit events
Date: Wed, 13 Dec 2017 16:16:47 -0800	[thread overview]
Message-ID: <CAGXu5jLNfqkbZD7fP0r6ZAvd8ULsYAM7r-wGwZoy3RzGqLGuUw@mail.gmail.com> (raw)
In-Reply-To: <58203247.sCqcla2mis@x2>

On Wed, Dec 13, 2017 at 3:58 PM, Steve Grubb <sgrubb@redhat.com> wrote:
> Hello,
>
> Over the last month, the amount of seccomp events in audit logs is
> sky-rocketing. I have over a million events in the last 2 days. Most of this
> is generated by firefox and qt webkit.
>
> I am wondering if the audit package should ship a file for
>
> /usr/lib/sysctl.d/60-auditd.conf
>
> wherein it has
>
> kernel.seccomp.actions_logged = kill_process kill_thread errno
>
> Also, has anyone verified this sysctl is filtering audit events? Even with
> the above, I have over a million events on a 4.14.3 kernel. Firefox alone is
> generating over 50,000 events per hour.

I don't think you'd want to log errno -- AIUI, that's used regularly
by a lot of seccomp policy.

-Kees

-- 
Kees Cook
Pixel Security

  reply	other threads:[~2017-12-14  0:16 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-13 23:58 Limiting SECCOMP audit events Steve Grubb
2017-12-14  0:16 ` Kees Cook [this message]
2017-12-14  0:31   ` Steve Grubb
2017-12-14  1:43     ` Paul Moore
2017-12-14  3:30       ` Steve Grubb
2017-12-14 12:42         ` Paul Moore
2017-12-14 15:29           ` Steve Grubb
2017-12-14 15:04 ` Tyler Hicks
2017-12-14 15:19   ` Steve Grubb
2017-12-14 23:06     ` Tyler Hicks
2017-12-14 23:16       ` Kees Cook
2017-12-15 14:08       ` Paul Moore
2017-12-15 15:47         ` Tyler Hicks
2017-12-15 16:09           ` Steve Grubb
2017-12-15 20:54           ` Paul Moore
2017-12-15 16:02       ` Steve Grubb
2018-01-02 20:03         ` Steve Grubb
2018-01-03  2:52           ` Tyler Hicks
2018-01-03 14:25             ` Paul Moore
2018-04-17 22:54               ` Steve Grubb
2018-04-18  1:57                 ` Paul Moore
2018-04-25  0:00                   ` Tyler Hicks
2018-04-26 14:41                     ` Paul Moore

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