safesetid: check size of policy writes

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "security/safesetid/securityfs.c"
                    ],
                    "versions": [
                        {
                            "version": "aeca4e2ca65c1aeacfbe520684e6421719d99417",
                            "lessThan": "976284b94f2021df09829e37a367e19b84d9e5f3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aeca4e2ca65c1aeacfbe520684e6421719d99417",
                            "lessThan": "ecf6a4a558097920447a6fb84dfdb279e2ac749a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aeca4e2ca65c1aeacfbe520684e6421719d99417",
                            "lessThan": "a0dec65f88c8d9290dfa1d2ca1e897abe54c5881",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aeca4e2ca65c1aeacfbe520684e6421719d99417",
                            "lessThan": "96fae5bd1589731592d30b3953a90a77ef3928a6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aeca4e2ca65c1aeacfbe520684e6421719d99417",
                            "lessThan": "36b385d0f2b4c0bf41d491e19075ecd990d2bf94",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aeca4e2ca65c1aeacfbe520684e6421719d99417",
                            "lessThan": "c71d35676d46090c891b6419f253fb92a1a9f4eb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aeca4e2ca65c1aeacfbe520684e6421719d99417",
                            "lessThan": "f09ff307c7299392f1c88f763299e24bc99811c7",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "security/safesetid/securityfs.c"
                    ],
                    "versions": [
                        {
                            "version": "5.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.235",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.179",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.129",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.78",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.14",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.3",
                            "lessThanOrEqual": "6.13.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }