On Mon, Jun 22, 2020 at 12:40:49PM -0700, Randy Dunlap wrote: > On 6/22/20 12:31 PM, Kees Cook wrote: > > This provides the ability for architectures to enable kernel stack base > > address offset randomization. This feature is controlled by the boot > > param "randomize_kstack_offset=on/off", with its default value set by > > CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT. > > > > Co-developed-by: Elena Reshetova <elena.reshet...@intel.com> > > Signed-off-by: Elena Reshetova <elena.reshet...@intel.com> > > Link: > > https://lore.kernel.org/r/20190415060918.3766-1-elena.reshet...@intel.com > > Signed-off-by: Kees Cook <keesc...@chromium.org> > > --- > > Makefile | 4 ++++ > > arch/Kconfig | 23 ++++++++++++++++++ > > include/linux/randomize_kstack.h | 40 ++++++++++++++++++++++++++++++++ > > init/main.c | 23 ++++++++++++++++++ > > 4 files changed, 90 insertions(+) > > create mode 100644 include/linux/randomize_kstack.h > > Please add documentation for the new kernel boot parameter to > Documentation/admin-guide/kernel-parameters.txt.
Oops, yes. Thanks for the reminder! (I wonder if checkpatch can notice "+early_param" and suggest the Doc update hmmm) -- Kees Cook