ext4: make sure ext4_append() always allocates new block
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 v4.14.291 by commit 57e3a559dadc9fecce9baa55b78181d1ad261aad. For more details please see the references link.