diff options
| author | Lakshmi Ramasubramanian <nramas@linux.microsoft.com> | 2020-01-08 08:05:08 -0800 |
|---|---|---|
| committer | Mimi Zohar <zohar@linux.ibm.com> | 2020-01-09 14:06:06 -0500 |
| commit | ea78979d302f7de9bbd59f9dafdb070ecb05ec39 (patch) | |
| tree | 86efe4446738cfe0814735ee024ddca7a888e47b /security | |
| parent | f47825c694851955fa4c492dd56809621529b086 (diff) | |
| download | lwn-ea78979d302f7de9bbd59f9dafdb070ecb05ec39.tar.gz lwn-ea78979d302f7de9bbd59f9dafdb070ecb05ec39.zip | |
IMA: fix measuring asymmetric keys Kconfig
As a result of the asymmetric public keys subtype Kconfig option being
defined as tristate, with the existing IMA Makefile, ima_asymmetric_keys.c
could be built as a kernel module. To prevent this from happening, this
patch defines and uses an intermediate Kconfig boolean option named
IMA_MEASURE_ASYMMETRIC_KEYS.
Signed-off-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Suggested-by: James.Bottomley <James.Bottomley@HansenPartnership.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reported-by: kbuild test robot <lkp@intel.com> # ima_asymmetric_keys.c
is built as a kernel module.
Fixes: 88e70da170e8 ("IMA: Define an IMA hook to measure keys")
Fixes: cb1aa3823c92 ("KEYS: Call the IMA hook to measure keys")
[zohar@linux.ibm.com: updated patch description]
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Diffstat (limited to 'security')
| -rw-r--r-- | security/integrity/ima/Kconfig | 6 | ||||
| -rw-r--r-- | security/integrity/ima/Makefile | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig index 838476d780e5..355754a6b6ca 100644 --- a/security/integrity/ima/Kconfig +++ b/security/integrity/ima/Kconfig @@ -310,3 +310,9 @@ config IMA_APPRAISE_SIGNED_INIT default n help This option requires user-space init to be signed. + +config IMA_MEASURE_ASYMMETRIC_KEYS + bool + depends on IMA + depends on ASYMMETRIC_PUBLIC_KEY_SUBTYPE=y + default y diff --git a/security/integrity/ima/Makefile b/security/integrity/ima/Makefile index 207a0a9eb72c..3e9d0ad68c7b 100644 --- a/security/integrity/ima/Makefile +++ b/security/integrity/ima/Makefile @@ -12,4 +12,4 @@ ima-$(CONFIG_IMA_APPRAISE) += ima_appraise.o ima-$(CONFIG_IMA_APPRAISE_MODSIG) += ima_modsig.o ima-$(CONFIG_HAVE_IMA_KEXEC) += ima_kexec.o obj-$(CONFIG_IMA_BLACKLIST_KEYRING) += ima_mok.o -obj-$(CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE) += ima_asymmetric_keys.o +obj-$(CONFIG_IMA_MEASURE_ASYMMETRIC_KEYS) += ima_asymmetric_keys.o |