[PATCH 1/4] ovl: fix memory leak on unlink of indexed file

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Fixes: caf70cb2ba5d ("ovl: cleanup orphan index entries")
Cc: <stable@xxxxxxxxxxxxxxx> # v4.13
Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx>
---
 fs/overlayfs/util.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index 8cfb62cc8672..ace4fe4c39a9 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -683,7 +683,7 @@ static void ovl_cleanup_index(struct dentry *dentry)
 	struct dentry *upperdentry = ovl_dentry_upper(dentry);
 	struct dentry *index = NULL;
 	struct inode *inode;
-	struct qstr name;
+	struct qstr name = { };
 	int err;
 
 	err = ovl_get_index_name(lowerdentry, &name);
@@ -726,6 +726,7 @@ static void ovl_cleanup_index(struct dentry *dentry)
 		goto fail;
 
 out:
+	kfree(name.name);
 	dput(index);
 	return;
 
-- 
2.17.1




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