udf: Fix NULL pointer dereference in udf_symlink function
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 v4.4.276 by commit 2f3d9ddd32a28803baa547e6274983b67d5e287c. For more details please see the references link.