From: Mimi Zohar <zohar@linux.ibm.com>
Date: Wed, 2 Jun 2021 20:33:39 +0000 (-0400)
Subject: ima: differentiate between EVM failures in the audit log
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=55748ac6a6d3e35f8fd0f5c9284df7c7f3b1705a;p=linux.git

ima: differentiate between EVM failures in the audit log

Differentiate between an invalid EVM portable signature failure
from other EVM HMAC/signature failures.

Reviewed-by: Roberto Sassu <roberto.sassu@huawei.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
---

diff --git a/security/integrity/ima/ima_appraise.c b/security/integrity/ima/ima_appraise.c
index 940695e7b5356..ef9dcfce45d45 100644
--- a/security/integrity/ima/ima_appraise.c
+++ b/security/integrity/ima/ima_appraise.c
@@ -422,7 +422,8 @@ int ima_appraise_measurement(enum ima_hooks func,
 		goto out;
 	case INTEGRITY_FAIL_IMMUTABLE:
 		set_bit(IMA_DIGSIG, &iint->atomic_flags);
-		fallthrough;
+		cause = "invalid-fail-immutable";
+		goto out;
 	case INTEGRITY_FAIL:		/* Invalid HMAC/signature. */
 		cause = "invalid-HMAC";
 		goto out;