perf report: Fix memory leaks around perf_tip()
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 v5.4.164 by commit df5990db088d4c7fea9a2f9b8195a7859e1768c4. For more details please see the references link.