{"record":{"id":"a90eba9ca5b0be27","repo":"XTLS/Xray-core","slug":"oversize-payload","errorCode":null,"errorMessage":"oversize payload","messagePattern":"oversize payload","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"proxy/trojan/protocol.go","lineNumber":233,"sourceCode":"type PacketReader struct {\n\tio.Reader\n}\n\n// ReadMultiBuffer implements buf.Reader\nfunc (r *PacketReader) ReadMultiBuffer() (buf.MultiBuffer, error) {\n\taddr, port, err := addrParser.ReadAddressPort(nil, r)\n\tif err != nil {\n\t\treturn nil, errors.New(\"failed to read address and port\").Base(err)\n\t}\n\n\tvar lengthBuf [2]byte\n\tif _, err := io.ReadFull(r, lengthBuf[:]); err != nil {\n\t\treturn nil, errors.New(\"failed to read payload length\").Base(err)\n\t}\n\n\tremain := int(binary.BigEndian.Uint16(lengthBuf[:]))\n\tif remain > maxLength {\n\t\treturn nil, errors.New(\"oversize payload\")\n\t}\n\n\tvar crlf [2]byte\n\tif _, err := io.ReadFull(r, crlf[:]); err != nil {\n\t\treturn nil, errors.New(\"failed to read crlf\").Base(err)\n\t}\n\n\tdest := net.UDPDestination(addr, port)\n\tvar mb buf.MultiBuffer\n\tfor remain > 0 {\n\t\tlength := buf.Size\n\t\tif remain < length {\n\t\t\tlength = remain\n\t\t}\n\n\t\tb := buf.New()\n\t\tb.UDP = &dest\n\t\tmb = append(mb, b)","sourceCodeStart":215,"sourceCodeEnd":251,"githubUrl":"https://github.com/XTLS/Xray-core/blob/7d214f8b094f75322fa3990f8aadad1c912f24f5/proxy/trojan/protocol.go#L215-L251","documentation":"Error \"oversize payload\" thrown in XTLS/Xray-core.","triggerScenarios":"Thrown at proxy/trojan/protocol.go:233 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"7d214f8b094f75322fa3990f8aadad1c912f24f5","analyzedAt":"2026-08-15T14:26:24.325Z","schemaVersion":2},"datasetVersion":"2026-08-15T17:31:12.345Z"}