nilfs2: fix leak of nilfs_root in case of writer thread creation failure
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.2 by commit 9dc48a360e7b6bb16c48625f8f80ab7665bc9648, it was introduced in version v2.6.37 by commit e912a5b66837ee89fb025e67b5efeaa11930c2ce. For more details please see the references link.