git: kernel: Add security.ptr_restrict sysctl.
Rimvydas Jasinskas
zrj at crater.dragonflybsd.org
Wed Feb 14 00:14:49 PST 2018
commit 5b0aa8b6425de10a6fdfe870a9fe517027a60dd9
Author: zrj <rimvydas.jasinskas at gmail.com>
Date: Sun Feb 4 19:13:02 2018 +0200
kernel: Add security.ptr_restrict sysctl.
Allow to prevent leaking kernel addresses back to the userland
(intentionally or not). We have quite a lot debug prints already and by
default we allow unprivileged processes to read kernel message buffers.
Summary of changes:
sys/kern/subr_prf.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/5b0aa8b6425de10a6fdfe870a9fe517027a60dd9
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