In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUG_ON on ENOMEM from btrfs_lookup_extent_info() in walk_down_proc() We handle errors here properly, ENOMEM isn't fatal, return the error.
https://git.kernel.org/stable/c/a580fb2c3479d993556e1c31b237c9e5be4944a3
https://git.kernel.org/stable/c/704c359b4093a2af650a20eaa030c435d7c30f91