NFSv4.2: fix LAYOUTSTATS send buffer exhaustion

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "include/linux/nfs_xdr.h"
                    ],
                    "versions": [
                        {
                            "version": "27c430644369ccd9a2272492ba6d0e85e2e4800b",
                            "lessThan": "842ac26615424577f24f0486b9d3bf97f28fad9c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27c430644369ccd9a2272492ba6d0e85e2e4800b",
                            "lessThan": "397aa7000bbf6b6a0d32e66a544e978fb478c8e4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27c430644369ccd9a2272492ba6d0e85e2e4800b",
                            "lessThan": "e82d7d999fe9f893f84bf332fd39cb5d9de7128f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27c430644369ccd9a2272492ba6d0e85e2e4800b",
                            "lessThan": "5aca000630c0fd0da102ae1abf9245dd74f2ce36",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27c430644369ccd9a2272492ba6d0e85e2e4800b",
                            "lessThan": "cb11590c7ddc6883a1b1d70b1f98b2779fe626f2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27c430644369ccd9a2272492ba6d0e85e2e4800b",
                            "lessThan": "3815b894b922e9b4f40b8b6f6d67bf80d44141c9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27c430644369ccd9a2272492ba6d0e85e2e4800b",
                            "lessThan": "a973622da0c62c34043ddbbf382cd761b03e5136",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27c430644369ccd9a2272492ba6d0e85e2e4800b",
                            "lessThan": "c75ef2137e749f2673f0617cfdaae53b2bb7195a",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "include/linux/nfs_xdr.h"
                    ],
                    "versions": [
                        {
                            "version": "4.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.52",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.6",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }