From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael Kerrisk (man-pages)" Subject: Re: [PATCH] kcmp.2: note about SECURITY_YAMA Date: Thu, 9 Jun 2016 10:20:32 +0200 Message-ID: <14e4100c-9bc0-2a6f-842a-84a93b1ba871@gmail.com> References: <1385674933-9388-1-git-send-email-shawn@churchofgit.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1385674933-9388-1-git-send-email-shawn-01I/ocv1qBBILuwUvNxBeQ@public.gmane.org> Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Shawn Landden , linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org List-Id: linux-man@vger.kernel.org On 11/28/2013 10:42 PM, Shawn Landden wrote: Thanks, Shawn. Applied. Cheers, Michael > --- > man2/kcmp.2 | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/man2/kcmp.2 b/man2/kcmp.2 > index 5cde64e..fcfe711 100644 > --- a/man2/kcmp.2 > +++ b/man2/kcmp.2 > @@ -187,7 +187,12 @@ is invalid. > Insufficient permission to inspect process resources. > The > .B CAP_SYS_PTRACE > -capability is required to inspect processes that you do not own. > +capability is required to inspect processes that you do not own. Other > +limitations on ptrace apply, such as > +.BR CONFIG_SECURITY_YAMA , > +which when /proc/sys/kernel/yama/ptrace_scope is 2 (the default) limits > +.BR kcmp() > +to child processes. > .TP > .B ESRCH > Process > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html