4 files changed, 10 insertions, 13 deletions

diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
index 11d7c0332207..9151b5369cdc 100644
--- a/security/integrity/ima/ima.h
+++ b/security/integrity/ima/ima.h
@@ -175,12 +175,10 @@ struct ima_kexec_hdr {
 /* IMA integrity metadata associated with an inode */
 struct ima_iint_cache {
 	struct mutex mutex;	/* protects: version, flags, digest */
-	u64 version;		/* track inode changes */
+	struct integrity_inode_attributes real_inode;
 	unsigned long flags;
 	unsigned long measured_pcrs;
 	unsigned long atomic_flags;
-	unsigned long real_ino;
-	dev_t real_dev;
 	enum integrity_status ima_file_status:4;
 	enum integrity_status ima_mmap_status:4;
 	enum integrity_status ima_bprm_status:4;
diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c
index 3d286de231e1..984e861f6e33 100644
--- a/security/integrity/ima/ima_api.c
+++ b/security/integrity/ima/ima_api.c
@@ -305,11 +305,11 @@ int ima_collect_measurement(struct ima_iint_cache *iint, struct file *file,
 
 	iint->ima_hash = tmpbuf;
 	memcpy(iint->ima_hash, &hash, length);
-	iint->version = i_version;
-	if (real_inode != inode) {
-		iint->real_ino = real_inode->i_ino;
-		iint->real_dev = real_inode->i_sb->s_dev;
-	}
+	if (real_inode == inode)
+		iint->real_inode.version = i_version;
+	else
+		integrity_inode_attrs_store(&iint->real_inode, i_version,
+					    real_inode);
 
 	/* Possibly temporary failure due to type of read (eg. O_DIRECT) */
 	if (!result)
diff --git a/security/integrity/ima/ima_iint.c b/security/integrity/ima/ima_iint.c
index e7c9c216c1c6..e23412a2c56b 100644
--- a/security/integrity/ima/ima_iint.c
+++ b/security/integrity/ima/ima_iint.c
@@ -59,7 +59,7 @@ static void ima_iint_init_always(struct ima_iint_cache *iint,
 				 struct inode *inode)
 {
 	iint->ima_hash = NULL;
-	iint->version = 0;
+	iint->real_inode.version = 0;
 	iint->flags = 0UL;
 	iint->atomic_flags = 0UL;
 	iint->ima_file_status = INTEGRITY_UNKNOWN;
diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
index eebf629f192e..4b215d85c14b 100644
--- a/security/integrity/ima/ima_main.c
+++ b/security/integrity/ima/ima_main.c
@@ -173,7 +173,7 @@ static void ima_check_last_writer(struct ima_iint_cache *iint,
 				      STATX_CHANGE_COOKIE,
 				      AT_STATX_SYNC_AS_STAT) ||
 		    !(stat.result_mask & STATX_CHANGE_COOKIE) ||
-		    stat.change_cookie != iint->version) {
+		    stat.change_cookie != iint->real_inode.version) {
 			iint->flags &= ~(IMA_DONE_MASK | IMA_NEW_FILE);
 			iint->measured_pcrs = 0;
 			if (update)
@@ -292,9 +292,8 @@ static int process_measurement(struct file *file, const struct cred *cred,
 	if (real_inode != inode &&
 	    (action & IMA_DO_MASK) && (iint->flags & IMA_DONE_MASK)) {
 		if (!IS_I_VERSION(real_inode) ||
-		    real_inode->i_sb->s_dev != iint->real_dev ||
-		    real_inode->i_ino != iint->real_ino ||
-		    !inode_eq_iversion(real_inode, iint->version)) {
+		    integrity_inode_attrs_changed(&iint->real_inode,
+						  real_inode)) {
 			iint->flags &= ~IMA_DONE_MASK;
 			iint->measured_pcrs = 0;
 		}