do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/fhandle.c"
                    ],
                    "versions": [
                        {
                            "version": "990d6c2d7aee921e3bce22b2d6a750fd552262be",
                            "lessThan": "4bac28f441e3cc9d3f1a84c8d023228a68d8a7c1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "990d6c2d7aee921e3bce22b2d6a750fd552262be",
                            "lessThan": "772a7def9868091da3bcb0d6c6ff9f0c03d7fa8b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "990d6c2d7aee921e3bce22b2d6a750fd552262be",
                            "lessThan": "cde76b3af247f615447bcfecf610bb76c3529126",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "990d6c2d7aee921e3bce22b2d6a750fd552262be",
                            "lessThan": "423b6bdf19bbc5e1f7e7461045099917378f7e71",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "990d6c2d7aee921e3bce22b2d6a750fd552262be",
                            "lessThan": "e6450d5e46a737a008b4885aa223486113bf0ad6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "990d6c2d7aee921e3bce22b2d6a750fd552262be",
                            "lessThan": "c1362eae861db28b1608b9dc23e49634fe87b63b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "990d6c2d7aee921e3bce22b2d6a750fd552262be",
                            "lessThan": "cba138f1ef37ec6f961baeab62f312dedc7cf730",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "990d6c2d7aee921e3bce22b2d6a750fd552262be",
                            "lessThan": "bf9ec1b24ab4e94345aa1c60811dd329f069c38b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "990d6c2d7aee921e3bce22b2d6a750fd552262be",
                            "lessThan": "3948abaa4e2be938ccdfc289385a27342fb13d43",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/fhandle.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.39",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.39",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.311",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.273",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.214",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.153",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.83",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.23",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.7.11",
                            "lessThanOrEqual": "6.7.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.8.2",
                            "lessThanOrEqual": "6.8.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.9",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }