Description: kvm: initialize all of the kvm_debugregs structure before sending it to userspace
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=2179892
 https://lore.kernel.org/kvm/20230214103304.3689213-1-gregkh@linuxfoundation.org/
Notes:
Bugs:
upstream: released (6.2) [2c10b61421a28e95a46ab489fd56c0f442ff6952]
6.1-upstream-stable: released (6.1.13) [747ca7c8a0c7bce004709143d1cd6596b79b1deb]
5.10-upstream-stable: released (5.10.169) [6416c2108ba54d569e4c98d3b62ac78cb12e7107]
4.19-upstream-stable: released (4.19.273) [669c76e55de332fbcbce5b74fccef1b4698a8936]
sid: released (6.1.15-1)
5.10-bullseye-security: released (5.10.178-1)
4.19-buster-security: released (4.19.282-1)