xen/blkfront: harden blkfront against event channel storms
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 v4.19.222 by commit 269d7124bcfad2558d2329d0fe603ca20b20d3f4. For more details please see the references link.