GSD-2022-1002248 ext2: correct max file size computing

ext2: correct max file size computing 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 v5.4.189 by commit cc16d0bc1c695645a5c1426e81d33931cc32f55...