USB: core: Fix hang in usbkillurb by adding memory barriers
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 v4.9.300 by commit b50f5ca60475710bbc9a3af32fbfc17b1e69c2f0. For more details please see the references link.