btrfs: fix extent map use-after-free when handling missing device in readonechunk
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 v5.15.87 by commit b8e7ed42bc3ca0d0e4191ee394d34962d3624c22, it was introduced in version v4.15 by commit adfb69af7d8cb6a3958f75aad1ef4bc96891d116. For more details please see the references link.