dm btree remove: fix use after free in rebalance_children()
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 v5.4.168 by commit 501ecd90efdc9b2edc6c28852ecd098a4adf8f00. For more details please see the references link.