nvmet-tcp: Fix potential UAF when ddgst mismatch

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/nvme/target/tcp.c"
                    ],
                    "versions": [
                        {
                            "version": "91edfca6f8b364d60cde3ddefaf7d03ddf35774b",
                            "lessThan": "dfb902462bca478f050224ec7a7195aafa7643b1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fda871c0ba5d2eed2cd1c881573168129da70058",
                            "lessThan": "7e558308eba14c8136cb1e615f0c850f76d1fc0a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fda871c0ba5d2eed2cd1c881573168129da70058",
                            "lessThan": "96fe2513df590e74b04253a45089cae75569570e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fda871c0ba5d2eed2cd1c881573168129da70058",
                            "lessThan": "e091ff83d962f9ed00d9bd70443676de9fe98bdc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fda871c0ba5d2eed2cd1c881573168129da70058",
                            "lessThan": "6f9442983a3e4227afd1c83a5251ddbca585ea21",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fda871c0ba5d2eed2cd1c881573168129da70058",
                            "lessThan": "088ee46c18d99baef453afd74181dd40ade044ad",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fda871c0ba5d2eed2cd1c881573168129da70058",
                            "lessThan": "dbbd07d0a7020b80f6a7028e561908f7b83b3d5a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4b17476d809273617d3317fa0d4ae78aa488d760",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.10.20",
                            "lessThan": "5.10.265",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.11.3",
                            "lessThan": "5.12",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/nvme/target/tcp.c"
                    ],
                    "versions": [
                        {
                            "version": "5.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.265",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.216",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }