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 v4.19.222 by commit 293f957be5e39720778fb1851ced7f5fba6d51c3. For more details please see the references link.