btrfs: ensure pages are unlocked on cowfilerange() failure
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 v5.15.61 by commit b367f125c80fa838eae49e3b138dc67dfc9f46ef, it was introduced in version v5.12 by commit 42c011000963442ce533d92a492c4a057b2f5a46. For more details please see the references link.