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| author | Bruno E. O. Meneguele <bmeneguele@gmail.com> | 2017-12-05 11:35:32 -0200 |
|---|---|---|
| committer | Mimi Zohar <zohar@linux.vnet.ibm.com> | 2017-12-18 09:43:48 -0500 |
| commit | 9c655be0644429b71396347887b43676ab4f6781 (patch) | |
| tree | 8c4cf2283c3fa79d712e4119d3684f08dac2d73c | |
| parent | 4e8581eefe720f8d990b892a8c9d298875e1a299 (diff) | |
| download | op-kernel-dev-9c655be0644429b71396347887b43676ab4f6781.zip op-kernel-dev-9c655be0644429b71396347887b43676ab4f6781.tar.gz | |
ima: log message to module appraisal error
Simple but useful message log to the user in case of module appraise is
forced and fails due to the lack of file descriptor, that might be
caused by kmod calls to compressed modules.
Signed-off-by: Bruno E. O. Meneguele <brdeoliv@redhat.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
| -rw-r--r-- | security/integrity/ima/ima_main.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c index 0abc7d0d..21330d0 100644 --- a/security/integrity/ima/ima_main.c +++ b/security/integrity/ima/ima_main.c @@ -404,8 +404,10 @@ int ima_read_file(struct file *file, enum kernel_read_file_id read_id) if (!file && read_id == READING_MODULE) { if (!sig_enforce && (ima_appraise & IMA_APPRAISE_MODULES) && - (ima_appraise & IMA_APPRAISE_ENFORCE)) + (ima_appraise & IMA_APPRAISE_ENFORCE)) { + pr_err("impossible to appraise a module without a file descriptor. sig_enforce kernel parameter might help\n"); return -EACCES; /* INTEGRITY_UNKNOWN */ + } return 0; /* We rely on module signature checking */ } return 0; |
