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 v4.19.237 by commit 88791b79a1eb2ba94e95d039243e28433583a67b, it was introduced in version v3.13 by commit 96518518cc417bb0a8c80b9fb736202e28acdf96. For more details please see the references link.