Re: [syzbot] [hfs?] memory leak in __hfs_bnode_create

[Edward Adam Davis]

#syz test

diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c
index 394542a47e60..926e4b40a065 100644
--- a/fs/hfsplus/btree.c
+++ b/fs/hfsplus/btree.c
@@ -270,7 +270,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id)
 	struct hfs_btree *tree;
 	struct hfs_btree_header_rec *head;
 	struct address_space *mapping;
-	struct hfs_bnode *node;
+	struct hfs_bnode *node = NULL;
 	struct inode *inode;
 	struct page *page;
 	unsigned int size;
@@ -401,6 +401,8 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id)
 	put_page(page);
  free_inode:
 	tree->inode->i_mapping->a_ops = &hfsplus_aops;
+	if (!IS_ERR_OR_NULL(node))
+		hfs_bnode_put(node);
 	iput(tree->inode);
  free_tree:
 	kfree(tree);