ftrace: Also allocate and copy hash for reading of filter files

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/trace/ftrace.c"
                    ],
                    "versions": [
                        {
                            "version": "c20489dad156dd9919ebd854bbace46dbd2576a3",
                            "lessThan": "12064e1880fc9202be75ff668205b1703d92f74f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c20489dad156dd9919ebd854bbace46dbd2576a3",
                            "lessThan": "c4cd93811e038d19f961985735ef7bb128078dfb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c20489dad156dd9919ebd854bbace46dbd2576a3",
                            "lessThan": "e0b6b223167e1edde5c82edf38e393c06eda1f13",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c20489dad156dd9919ebd854bbace46dbd2576a3",
                            "lessThan": "a40c69f4f1ed96acbcd62e9b5ff3a596f0a91309",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c20489dad156dd9919ebd854bbace46dbd2576a3",
                            "lessThan": "3b114a3282ab1a12cb4618a8f45db5d7185e784a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c20489dad156dd9919ebd854bbace46dbd2576a3",
                            "lessThan": "c591ba1acd081d4980713e47869dd1cc3d963d19",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c20489dad156dd9919ebd854bbace46dbd2576a3",
                            "lessThan": "64db338140d2bad99a0a8c6a118dd60b3e1fb8cb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c20489dad156dd9919ebd854bbace46dbd2576a3",
                            "lessThan": "bfb336cf97df7b37b2b2edec0f69773e06d11955",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/trace/ftrace.c"
                    ],
                    "versions": [
                        {
                            "version": "4.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.297",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.241",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.190",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.149",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.103",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.44",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.16.4",
                            "lessThanOrEqual": "6.16.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }