It's sometimes handy to have a config that boots a bit like a system under secure boot (forcing lockdown=integrity, without needing any extra stuff like a command line option).
This config file allows that, and also turns on a few assorted security and hardening options for good measure. Suggested-by: Michael Ellerman <m...@ellerman.id.au> Signed-off-by: Daniel Axtens <d...@axtens.net> --- arch/powerpc/configs/security.config | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 arch/powerpc/configs/security.config diff --git a/arch/powerpc/configs/security.config b/arch/powerpc/configs/security.config new file mode 100644 index 000000000000..1c91a35c6a73 --- /dev/null +++ b/arch/powerpc/configs/security.config @@ -0,0 +1,15 @@ +# This is the equivalent of booting with lockdown=integrity +CONFIG_SECURITY=y +CONFIG_SECURITYFS=y +CONFIG_SECURITY_LOCKDOWN_LSM=y +CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y +CONFIG_LOCK_DOWN_KERNEL_FORCE_INTEGRITY=y + +# These are some general, reasonably inexpensive hardening options +CONFIG_HARDENED_USERCOPY=y +CONFIG_FORTIFY_SOURCE=y +CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y + +# UBSAN bounds checking is very cheap and good for hardening +CONFIG_UBSAN=y +# CONFIG_UBSAN_MISC is not set \ No newline at end of file -- 2.25.1
