arm64: fix oops in concurrently setting insn_emulation sysctls
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 v4.14.291 by commit 9d5fec6ba2e4117d196a8259ab54615ffe562460. For more details please see the references link.