Right now we seem to be passing index as "lowerdentry" and origin.dentry
as "upperdentry". IIUC, we should pass these parameters in reversed order
and this looks like a bug.
Fixes: caf70cb2ba5d ("ovl: cleanup orphan index entries")
Cc: <stable@xxxxxxxxxxxxxxx> #4.13
Signed-off-by: Vivek Goyal <vgoyal@xxxxxxxxxx>
---
fs/overlayfs/namei.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c
index 625ed8066570..5ef69bc09e0c 100644
--- a/fs/overlayfs/namei.c
+++ b/fs/overlayfs/namei.c
@@ -435,7 +435,7 @@ int ovl_verify_index(struct dentry *index, struct ovl_path *lower,
/* Check if index is orphan and don't warn before cleaning it */
if (d_inode(index)->i_nlink == 1 &&
- ovl_get_nlink(index, origin.dentry, 0) == 0)
+ ovl_get_nlink(origin.dentry, index, 0) == 0)
err = -ENOENT;
dput(origin.dentry);
--
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