diff mbox series

[v2,5/7] ext4: Log error when lookup of encoded dentry fails

Message ID 20220428221027.269084-6-krisman@collabora.com
State Superseded
Headers show
Series Clean up the case-insenstive lookup path | expand

Commit Message

Gabriel Krisman Bertazi April 28, 2022, 10:10 p.m. UTC 
If the volume is in strict mode, ext4_ci_compare can report a broken
encoding name.  This will not trigger on a bad lookup, which is caught
earlier, only if the actual disk name is bad.

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>

---

Changes since v1:
  - reword error message "file in directory" -> "filename" (Eric)
---
 fs/ext4/namei.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index e450e52eef48..d53c8d101099 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1457,6 +1457,9 @@  static bool ext4_match(struct inode *parent,
 			 * only case where it happens is on a disk
 			 * corruption or ENOMEM.
 			 */
+			if (ret == -EINVAL)
+				EXT4_ERROR_INODE(parent,
+						 "Bad encoded filename");
 			return false;
 		}
 		return ret;