ftrace: Fix NULL pointer dereference in isftracetrampoline when ftrace is dead
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 v4.19.257 by commit ddffe882d74ef43a3494f0ab0c24baf076c45f96. For more details please see the references link.