From 579baeece66ef9360da7d815fd328faf271a3008 Mon Sep 17 00:00:00 2001 From: Joel Stanley Date: Tue, 21 Jan 2020 15:29:57 +1100 Subject: powerpc/configs/skiroot: Enable security features This turns on HARDENED_USERCOPY with HARDENED_USERCOPY_PAGESPAN, and FORTIFY_SOURCE. It also enables SECURITY_LOCKDOWN_LSM with _EARLY and LOCK_DOWN_KERNEL_FORCE_INTEGRITY options enabled. This still allows xmon to be used in read-only mode. MODULE_SIG is selected by lockdown, so it is still enabled. Because we're setting LOCK_DOWN_KERNELFORCE_INTEGRITY=y we also need to enable KEXEC_FILE=y so that kexec continues to work. Signed-off-by: Joel Stanley [mpe: Switch to lockdown integrity mode per oohal, enable KEXEC_FILE as reported by jms] Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20200121043000.16212-7-mpe@ellerman.id.au --- arch/powerpc/configs/skiroot_defconfig | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/configs') diff --git a/arch/powerpc/configs/skiroot_defconfig b/arch/powerpc/configs/skiroot_defconfig index 24a210fe0049..715d29a43372 100644 --- a/arch/powerpc/configs/skiroot_defconfig +++ b/arch/powerpc/configs/skiroot_defconfig @@ -36,6 +36,7 @@ CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y CONFIG_CPU_IDLE=y CONFIG_HZ_100=y CONFIG_KEXEC=y +CONFIG_KEXEC_FILE=y CONFIG_PRESERVE_FA_DUMP=y CONFIG_IRQ_ALL_CPUS=y CONFIG_NUMA=y @@ -49,7 +50,6 @@ CONFIG_JUMP_LABEL=y CONFIG_STRICT_KERNEL_RWX=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y -CONFIG_MODULE_SIG=y CONFIG_MODULE_SIG_FORCE=y CONFIG_MODULE_SIG_SHA512=y CONFIG_PARTITION_ADVANCED=y @@ -272,6 +272,16 @@ CONFIG_NLS_ASCII=y CONFIG_NLS_ISO8859_1=y CONFIG_NLS_UTF8=y CONFIG_ENCRYPTED_KEYS=y +CONFIG_SECURITY=y +CONFIG_HARDENED_USERCOPY=y +# CONFIG_HARDENED_USERCOPY_FALLBACK is not set +CONFIG_HARDENED_USERCOPY_PAGESPAN=y +CONFIG_FORTIFY_SOURCE=y +CONFIG_SECURITY_LOCKDOWN_LSM=y +CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y +CONFIG_LOCK_DOWN_KERNEL_FORCE_INTEGRITY=y +# CONFIG_INTEGRITY is not set +CONFIG_LSM="yama,loadpin,safesetid,integrity" # CONFIG_CRYPTO_HW is not set CONFIG_CRC16=y CONFIG_CRC_ITU_T=y -- cgit v1.2.3