filemap: Handle sibling entries in filemapgetread_batch()
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 v5.18.8 by commit a66f131d30e53000f08301776bf85c912ef47aad, it was introduced in version v5.12 by commit cbd59c48ae2bcadc4a7599c29cf32fd3f9b78251. For more details please see the references link.