Date: Sat, 28 Feb 2015 09:33:51 -0700 From: Ian Lepore <ian@freebsd.org> To: Dmitry Morozovsky <marck@rinet.ru> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r279361 - in head: sys/kern sys/sys usr.sbin/jail Message-ID: <1425141231.1281.39.camel@freebsd.org> In-Reply-To: <alpine.BSF.2.00.1502281802370.37279@woozle.rinet.ru> References: <201502271628.t1RGSurE067472@svn.freebsd.org> <alpine.BSF.2.00.1502281802370.37279@woozle.rinet.ru>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, 2015-02-28 at 18:03 +0300, Dmitry Morozovsky wrote: > Ian, > > On Fri, 27 Feb 2015, Ian Lepore wrote: > > > Author: ian > > Date: Fri Feb 27 16:28:55 2015 > > New Revision: 279361 > > URL: https://svnweb.freebsd.org/changeset/base/279361 > > > > Log: > > Allow the kern.osrelease and kern.osreldate sysctl values to be set in a > > jail's creation parameters. This allows the kernel version to be reliably > > spoofed within the jail whether examined directly with sysctl or > > indirectly with the uname -r and -K options. > > > > The values can only be set at jail creation time, to eliminate the need > > for any locking when accessing the values via sysctl. > > > > The overridden values are inherited by nested jails (unless the config for > > the nested jails also overrides the values). > > > > There is no sanity or range checking, other than disallowing an empty > > release string or a zero release date, by design. The system > > administrator is trusted to set sane values. Setting values that are > > newer than the actual running kernel will likely cause compatibility > > problems. > > > > Differential Revision: https://reviews.freebsd.org/D1948 > > Relnotes: yes > > Thanks, very useful feature. Just one question: no MFC planned? > > [diff snipped] > > -- > Sincerely, > D.Marck [DM5020, MCK-RIPE, DM3-RIPN] > [ FreeBSD committer: marck@FreeBSD.org ] > ------------------------------------------------------------------------ > *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** > ------------------------------------------------------------------------ I will definitely mfc (we need this on 10-stable at $work), but I hate being spammed and/or nagged by robots so I don't use MFC: tags. -- ian
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1425141231.1281.39.camel>