af_unix: Update last skb marker in manage_oob().

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/unix/af_unix.c"
                    ],
                    "versions": [
                        {
                            "version": "022d81a709cd553bbe2db8675f8e824f4aee6284",
                            "lessThan": "bd91dc313afe21e9d6b31ca6a47606a33ca5e35c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "22dd70eb2c3d754862964377a75abafd3167346b",
                            "lessThan": "0630bfc773d85ac44da05b2c5a037dbbd39301ab",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "22dd70eb2c3d754862964377a75abafd3167346b",
                            "lessThan": "f1816b3d7ce80dcf086bb68ff5ae6e09520ca1fa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "22dd70eb2c3d754862964377a75abafd3167346b",
                            "lessThan": "fc62a26493a98a0424d9dae2eb92a1daa1321f65",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "22dd70eb2c3d754862964377a75abafd3167346b",
                            "lessThan": "94fd4debd2e3a69cf93e766c8b328a810c228119",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ae3f9e1221b31b18dbd4c4b85d08574996bbd973",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ba0db4638525b8b054b3d546b45f7e473f477027",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "16dc252e7007547a7b72a2c21022ef81fb45e6a3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.6.29",
                            "lessThan": "6.6.160",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.157",
                            "lessThan": "5.16",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.88",
                            "lessThan": "6.2",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.8.8",
                            "lessThan": "6.9",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/unix/af_unix.c"
                    ],
                    "versions": [
                        {
                            "version": "6.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.111",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.53",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.7",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }