fs: jfs: fix shift-out-of-bounds in dbAllocAG
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 v5.15.86 by commit 0536f76a2bca83d1a3740517ba22cc93a44b3099. For more details please see the references link.