mm,hugetlb: take hugetlb_lock before decrementing h->resv_huge_pages
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 v4.9.332 by commit 3e50a07b6a5fcd39df1534d3fdaca4292a65efe6, it was introduced in version v4.4 by commit a88c769548047b21f76fd71e04b6a3300ff17160. For more details please see the references link.