tracing/histograms: Fix memory leak problem
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 v5.4.207 by commit ecc6dec12c33aa92c086cd702af9f544ddaf3c75, it was introduced in version v5.4.69 by commit e92c490f104993cea35e5f5d5108ac12df1850ac. For more details please see the references link.