init/main.c: Fix potential static_command_line memory overflow

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "init/main.c"
                    ],
                    "versions": [
                        {
                            "version": "f5c7310ac73ea270e3a1acdb73d1b4817f11fd67",
                            "lessThan": "2ef607ea103616aec0289f1b65d103d499fa903a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5c7310ac73ea270e3a1acdb73d1b4817f11fd67",
                            "lessThan": "0dc727a4e05400205358a22c3d01ccad2c8e1fe4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5c7310ac73ea270e3a1acdb73d1b4817f11fd67",
                            "lessThan": "76c2f4d426a5358fced5d5990744d46f10a4ccea",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5c7310ac73ea270e3a1acdb73d1b4817f11fd67",
                            "lessThan": "81cf85ae4f2dd5fa3e43021782aa72c4c85558e8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5c7310ac73ea270e3a1acdb73d1b4817f11fd67",
                            "lessThan": "936a02b5a9630c5beb0353c3085cc49d86c57034",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5c7310ac73ea270e3a1acdb73d1b4817f11fd67",
                            "lessThan": "46dad3c1e57897ab9228332f03e1c14798d2d3b9",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "init/main.c"
                    ],
                    "versions": [
                        {
                            "version": "5.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.216",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.157",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.88",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.29",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.8.8",
                            "lessThanOrEqual": "6.8.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.9",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }