ftrace: Fix null pointer dereference in ftraceaddmod()
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 v5.15.80 by commit 1bea037a1abb23a6729bef36a2265a4565f5ea77, it was introduced in version v4.13 by commit 673feb9d76ab3eddde7acfd94b206e321cfc90b9. For more details please see the references link.