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 v4.9.276 by commit 371566f63cbd0bb6fbb25b8fe9d5798268d35af9. For more details please see the references link.