vfs_getxattr_alloc() returns -EOPNOTSUPP if filesystem does not have
security label enabled. In that case there is no point in continuing
further and try to fix hashes (if ima_appraise=fix was specified) as
that will fail too. Return early
Signed-off-by: Vivek Goyal <vgo...@redhat.com>
Acked-by: Mimi Zohar <zo...@linux.vnet.ibm.com>
---
security/integrity/ima/ima_appraise.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/security/integrity/ima/ima_appraise.c
b/security/integrity/ima/ima_appraise.c
index 2d4beca..3710f44 100644
--- a/security/integrity/ima/ima_appraise.c
+++ b/security/integrity/ima/ima_appraise.c
@@ -134,6 +134,10 @@ int ima_appraise_measurement(int func, struct
integrity_iint_cache *iint,
rc = vfs_getxattr_alloc(dentry, XATTR_NAME_IMA, (char **)&xattr_value,
0, GFP_NOFS);
if (rc <= 0) {
+ /* File system does not support security xattr */
+ if (rc == -EOPNOTSUPP)
+ return INTEGRITY_UNKNOWN;
+
if (rc && rc != -ENODATA)
goto out;
--
1.7.7.6
--
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