GSD-2022-1007894 tracing: kprobe: Fix potential null-ptr-deref on trace_event_file in kprobe_event_gen_test_exit()

tracing: kprobe: Fix potential null-ptr-deref on traceeventfile in kprobeeventgentestexit 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....