If Integrity is not auditing, IMA shouldn't audit, either.

Signed-off-by: Stefan Berger <[email protected]>
---
 security/integrity/ima/Kconfig      |  1 +
 security/integrity/ima/ima_policy.c |  6 +++++-
 security/integrity/integrity.h      | 10 ++++++++++
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig
index 6a8f67714c83..94c2151331aa 100644
--- a/security/integrity/ima/Kconfig
+++ b/security/integrity/ima/Kconfig
@@ -12,6 +12,7 @@ config IMA
        select TCG_TIS if TCG_TPM && X86
        select TCG_CRB if TCG_TPM && ACPI
        select TCG_IBMVTPM if TCG_TPM && PPC_PSERIES
+       select INTEGRITY_AUDIT if AUDIT
        help
          The Trusted Computing Group(TCG) runtime Integrity
          Measurement Architecture(IMA) maintains a list of hash
diff --git a/security/integrity/ima/ima_policy.c 
b/security/integrity/ima/ima_policy.c
index 7297450b813c..3aed25a7178a 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -609,6 +609,9 @@ static int ima_lsm_rule_init(struct ima_rule_entry *entry,
 static void ima_log_string_op(struct audit_buffer *ab, char *key, char *value,
                              bool (*rule_operator)(kuid_t, kuid_t))
 {
+       if (!ab)
+               return;
+
        if (rule_operator == &uid_gt)
                audit_log_format(ab, "%s>", key);
        else if (rule_operator == &uid_lt)
@@ -630,7 +633,8 @@ static int ima_parse_rule(char *rule, struct ima_rule_entry 
*entry)
        bool uid_token;
        int result = 0;
 
-       ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_INTEGRITY_RULE);
+       ab = integrity_audit_log_start(NULL, GFP_KERNEL,
+                                      AUDIT_INTEGRITY_RULE);
 
        entry->uid = INVALID_UID;
        entry->fowner = INVALID_UID;
diff --git a/security/integrity/integrity.h b/security/integrity/integrity.h
index 9f2924cafa53..2afa266aea42 100644
--- a/security/integrity/integrity.h
+++ b/security/integrity/integrity.h
@@ -203,6 +203,11 @@ void integrity_audit_msg_common(struct audit_buffer *ab, 
struct inode *inode,
                                const unsigned char *fname, const char *op,
                                const char *cause, int result);
 
+static inline struct audit_buffer *
+integrity_audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type)
+{
+       return audit_log_start(ctx, gfp_mask, type);
+}
 #else
 static inline void integrity_audit_msg(int audit_msgno, struct inode *inode,
                                       const unsigned char *fname,
@@ -220,4 +225,9 @@ static inline void integrity_audit_msg_common(struct 
audit_buffer *ab,
 {
 }
 
+static inline struct audit_buffer *
+integrity_audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type)
+{
+       return NULL;
+}
 #endif
-- 
2.13.6

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