bpf: Fix integer overflow in preallocelemsand_freelist()
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 v4.14.251 by commit f34bcd10c4832d491049905d25ea3f46a410c426, it was introduced in version v4.6 by commit 557c0c6e7df8e14a46bd7560d193fa5bbc00a858. For more details please see the references link.