apparmor: Fix memleak in aasimplewritetobuffer()
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 v5.4.211 by commit 7db182a2ebeefded86fea542fcc5d6a68bb77f58, it was introduced in version v4.17 by commit a6a52579e52b55448326db88bd9a5740e7c1a037. For more details please see the references link.