{"record":{"id":"e267584d559b1ef3","repo":"crowdsecurity/crowdsec","slug":"while-creating-admin-sid-w","errorCode":null,"errorMessage":"while creating admin SID: %w","messagePattern":"while creating admin SID: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pkg/database/file_utils_windows.go","lineNumber":37,"sourceCode":"\tcurrentOwner, defaulted, err := sd.Owner()\n\n\tif err != nil {\n\t\treturn fmt.Errorf(\"while getting owner: %w\", err)\n\t}\n\n\tlog.Debugf(\"current owner is %s (%v) (defaulted: %v)\", currentOwner.String(), currentOwner, defaulted)\n\n\tcurrentGroup, defaulted, err := sd.Group()\n\n\tif err != nil {\n\t\treturn fmt.Errorf(\"while getting group: %w\", err)\n\t}\n\n\tif currentGroup == nil {\n\t\tlog.Debugf(\"current group is nil (defaulted: %v), using builtin admin instead\", defaulted)\n\t\tcurrentGroup, err = windows.CreateWellKnownSid(windows.WinBuiltinAdministratorsSid)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"while creating admin SID: %w\", err)\n\t\t}\n\t}\n\n\tlog.Debugf(\"current group is %s (%v) (defaulted: %v)\", currentGroup.String(), currentGroup, defaulted)\n\n\tdacl, err := windows.ACLFromEntries(\n\t\t[]windows.EXPLICIT_ACCESS{\n\t\t\t{\n\t\t\t\tAccessPermissions: windows.GENERIC_ALL,\n\t\t\t\tAccessMode:        windows.GRANT_ACCESS,\n\t\t\t\tInheritance:       windows.NO_INHERITANCE,\n\t\t\t\tTrustee: windows.TRUSTEE{\n\t\t\t\t\tMultipleTrusteeOperation: windows.NO_MULTIPLE_TRUSTEE,\n\t\t\t\t\tTrusteeForm:              windows.TRUSTEE_IS_SID,\n\t\t\t\t\tTrusteeType:              windows.TRUSTEE_IS_USER,\n\t\t\t\t\tTrusteeValue:             windows.TrusteeValueFromSID(currentOwner),\n\t\t\t\t},\n\t\t\t},","sourceCodeStart":19,"sourceCodeEnd":55,"githubUrl":"https://github.com/crowdsecurity/crowdsec/blob/909b5157986a2b2c2163300fdaef5ed01289f7d2/pkg/database/file_utils_windows.go#L19-L55","documentation":"When the file's security descriptor has no group SID, setFilePerm falls back to the built-in Administrators group via windows.CreateWellKnownSid(WinBuiltinAdministratorsSid). This error means that fallback SID creation itself failed, which is nearly impossible on healthy systems and indicates a broken OS security subsystem.","triggerScenarios":"The group SID was nil AND CreateWellKnownSid(WinBuiltinAdministratorsSid) failed — typically due to OS security API failure, memory allocation failure, or a heavily restricted/service-isolated environment.","commonSituations":"Running under an exotic service context or container-like isolation on Windows where WellKnownSid APIs are restricted; system-level security API corruption.","solutions":["Restart the machine / the crowdsec service to clear transient security subsystem failures.","Run crowdsec as a properly configured Windows service (per docs) rather than an ad-hoc restricted context.","Check for OS integrity issues (sfc /scannow) if CreateWellKnownSid keeps failing."],"exampleFix":null,"handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":"err := setFilePerm(path, 0600)\nif err != nil {\n\t// transient OS security API failure: retry after service restart\n\tlog.Warnf(\"setFilePerm failed, retrying after delay: %v\", err)\n}","preventionTips":["Run crowdsec as a standard Windows service per documentation.","Keep the OS healthy; CreateWellKnownSid failing indicates system-level issues."],"tags":["windows","sid","permissions","os-api"],"backgroundTag":"permission-denied","analyzedSha":"909b5157986a2b2c2163300fdaef5ed01289f7d2","analyzedAt":"2026-09-06T12:27:26.012Z","contentChangedAt":"2026-09-06T12:27:26.012Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}