KVM: arm64: vgic: Take a refcount on IRQs referenced by last_lr_irq

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/arm64/kvm/vgic/vgic.c"
                    ],
                    "versions": [
                        {
                            "version": "6da5e537f5afe091658e846da1949d7e557d2ade",
                            "lessThan": "8b25393d16a5ca8df907bd7ee1ff2e9d85678b3c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6da5e537f5afe091658e846da1949d7e557d2ade",
                            "lessThan": "19bc5d79ece613f242b5ec03921a3b465321bfed",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cd28ca4c27ed5929f61bbed8a967c20519facb88",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.19.9",
                            "lessThan": "6.20",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/arm64/kvm/vgic/vgic.c"
                    ],
                    "versions": [
                        {
                            "version": "7.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "7.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.10",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }