netfilter: nftables: initialize registers in nftdo_chain()
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 v4.9.309 by commit 4d28522acd1c4415c85f6b33463713a268f68965, it was introduced in version v3.13 by commit 96518518cc417bb0a8c80b9fb736202e28acdf96. For more details please see the references link.