From: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
To: Kees Cook <keescook@chromium.org>
Cc: mtk.manpages@gmail.com, linux-api@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] prctl.2: document SECCOMP_MODE_FILTER vs EFAULT
Date: Wed, 07 Jan 2015 09:43:04 +0100 [thread overview]
Message-ID: <54ACF198.4050605@gmail.com> (raw)
In-Reply-To: <1411685267-27949-3-git-send-email-keescook@chromium.org>
On 09/26/2014 12:47 AM, Kees Cook wrote:
> This notes the distinction made between EINVAL and EFAULT when attempting
> to use SECCOMP_MODE_FILTER with PR_SET_SECCOMP.
Thanks, Kees. Applied.
Cheers,
Michael
> Suggested-by: Andy Lutomirski <luto@amacapital.net>
> Signed-off-by: Kees Cook <keescook@chromium.org>
> ---
> man2/prctl.2 | 23 +++++++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
> diff --git a/man2/prctl.2 b/man2/prctl.2
> index 1199891..b7ddaac 100644
> --- a/man2/prctl.2
> +++ b/man2/prctl.2
> @@ -825,6 +825,19 @@ is set appropriately.
> .I arg2
> is an invalid address.
> .TP
> +.B EFAULT
> +.I option
> +is
> +.BR PR_SET_SECCOMP ,
> +.I arg2
> +is
> +.BR SECCOMP_MODE_FILTER ,
> +the system was built with
> +.BR CONFIG_SECCOMP_FILTER
> +and
> +.I arg3
> +is an invalid address.
> +.TP
> .B EINVAL
> The value of
> .I option
> @@ -859,6 +872,16 @@ and the kernel was not configured with
> .B EINVAL
> .I option
> is
> +.BR PR_SET_SECCOMP ,
> +.I arg2
> +is
> +.BR SECCOMP_MODE_FILTER ,
> +and the kernel was not configured with
> +.BR CONFIG_SECCOMP_FILTER .
> +.TP
> +.B EINVAL
> +.I option
> +is
> .BR PR_SET_MM ,
> and one of the following is true
> .RS
>
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
prev parent reply other threads:[~2015-01-07 8:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-25 22:47 [PATCH 0/2] add seccomp man-page Kees Cook
[not found] ` <1411685267-27949-1-git-send-email-keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2014-09-25 22:47 ` [PATCH 1/2] seccomp.2: document seccomp syscall Kees Cook
2014-09-26 1:29 ` Andy Lutomirski
[not found] ` <CALCETrVaYjrq0xBDouu9ZQ3Hm65Dmt2Uih4zscCGcDC+M89+qg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-26 5:55 ` Kees Cook
[not found] ` <CAGXu5jJEn5QZPrVa4UjuT34PVuadhXqSb_d=o3W04QvZq-fMNw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-02 16:37 ` Michael Kerrisk (man-pages)
[not found] ` <1411685267-27949-2-git-send-email-keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2014-11-02 16:36 ` Michael Kerrisk (man-pages)
2014-11-02 17:10 ` Michael Kerrisk (man-pages)
2014-09-25 22:47 ` [PATCH 2/2] prctl.2: document SECCOMP_MODE_FILTER vs EFAULT Kees Cook
2015-01-07 8:43 ` Michael Kerrisk (man-pages) [this message]
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