diff options
| author |   schwarze <schwarze@openbsd.org> | 2017-09-12 02:22:15 +0000 |
|---|---|---|
| committer | schwarze <schwarze@openbsd.org> | 2017-09-12 02:22:15 +0000 |
| commit | 20d80f81a44786abd0238ec5bd70aee84efc30a3 (patch) | |
| tree | faadc661669d03df5eb72e2f233fde2e407eb9db /lib/libc | |
| parent | add functions to provide direct access to guest memory as vmd addresses (diff) | |
| download | wireguard-openbsd-20d80f81a44786abd0238ec5bd70aee84efc30a3.tar.xz wireguard-openbsd-20d80f81a44786abd0238ec5bd70aee84efc30a3.zip | |
Update the documentation regarding /dev/mem and /dev/kmem;
Theo already clamped down on these devices last year.
Triggered by a question from Nan Xiao <xiaonan830818 at gmail dot com>.
OK deraadt@
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/gen/sysctl.3 | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/libc/gen/sysctl.3 b/lib/libc/gen/sysctl.3 index 08095c62466..e021e73f443 100644 --- a/lib/libc/gen/sysctl.3 +++ b/lib/libc/gen/sysctl.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: sysctl.3,v 1.282 2017/09/10 11:30:43 tom Exp $ +.\" $OpenBSD: sysctl.3,v 1.283 2017/09/12 02:22:15 schwarze Exp $ .\" .\" Copyright (c) 1993 .\" The Regents of the University of California. All rights reserved. @@ -27,7 +27,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd $Mdocdate: September 10 2017 $ +.Dd $Mdocdate: September 12 2017 $ .Dt SYSCTL 3 .Os .Sh NAME @@ -484,6 +484,8 @@ information. .Bl -tag -width "123456" .It Dv KERN_ALLOWKMEM Pq Va kern.allowkmem Allow userland processes access to +.Pa /dev/mem +and .Pa /dev/kmem . When running with a .Xr securelevel 7 |