mm, hugetlb: fix simple resvhugepages underflow on UFFDIO_COPY
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 v4.14.236 by commit b5869ed8a39a4c6599f1d6c52e9ece785ceb8e16, it was introduced in version v4.11 by commit 8fb5debc5fcd450470cdd789c2d80ef95ebb8cf4. For more details please see the references link.