crypto: pcrypt - Fix handling of MAY_BACKLOG requests

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "crypto/pcrypt.c"
                    ],
                    "versions": [
                        {
                            "version": "5a1436beec5744029f3ac90b6fe71a698dcd6155",
                            "lessThan": "ae7e95638d956d556d74b9abb9e780d3bd3dcd9e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5a1436beec5744029f3ac90b6fe71a698dcd6155",
                            "lessThan": "1d7f07df450bac3301938fbc4251f2611be4084e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5a1436beec5744029f3ac90b6fe71a698dcd6155",
                            "lessThan": "76641449b28979ebd6c02e9598367e119e385236",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5a1436beec5744029f3ac90b6fe71a698dcd6155",
                            "lessThan": "9f1cbca178c03188e201ed175251372149bb25f2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5a1436beec5744029f3ac90b6fe71a698dcd6155",
                            "lessThan": "eb34e243df57e32f4c08fa191f3602ea19076276",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5a1436beec5744029f3ac90b6fe71a698dcd6155",
                            "lessThan": "77d55bc8675ee851ed639dc9be77325a8024cf67",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5a1436beec5744029f3ac90b6fe71a698dcd6155",
                            "lessThan": "46271895ddfb1ba41f89f7e0dffbe9c2bcf7380a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5a1436beec5744029f3ac90b6fe71a698dcd6155",
                            "lessThan": "915b692e6cb723aac658c25eb82c58fd81235110",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "crypto/pcrypt.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.34",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.34",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.140",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.86",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.27",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.4",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }