Fuzzers for libmtp

Table of contents

• mtp_fuzzer
• mtp_host_property_fuzzer
• mtp_device_property_fuzzer
• mtp_handle_fuzzer
• mtp_packet_fuzzer
• mtp_device_fuzzer
• mtp_request_packet_fuzzer
• mtp_event_packet_fuzzer
• mtp_response_packet_fuzzer
• mtp_data_packet_fuzzer

Fuzzer for MtpServer

MtpServer supports the following parameters:

1. PacketData (parameter name: “packetData”)

Parameter	Valid Values	Configured Value
packetData	String	Value obtained from FuzzedDataProvider

Steps to run

1. Build the fuzzer

  $ mm -j$(nproc) mtp_fuzzer

2. Run on device

  $ adb sync data
  $ adb shell /data/fuzz/arm64/mtp_fuzzer/mtp_fuzzer corpus/ -dict=mtp_fuzzer.dict

Fuzzer for MtpHostProperty

MtpHostProperty supports the following parameters:

1. Feasible Type (parameter name: “kFeasibleTypes”)
2. UrbPacket Division Mode (parameter name: “kUrbPacketDivisionModes”)

Parameter	Valid Values	Configured Value
kFeasibleType	1. MTP_TYPE_UNDEFINED, 2. MTP_TYPE_INT8, 3.MTP_TYPE_UINT8, 4.MTP_TYPE_INT16, 5.MTP_TYPE_UINT16, 6.MTP_TYPE_INT32, 7.MTP_TYPE_UINT32, 8.MTP_TYPE_INT64, 9.MTP_TYPE_UINT64, 10.MTP_TYPE_INT128, 11.MTP_TYPE_UINT128, 12.MTP_TYPE_AINT8, 13.MTP_TYPE_AUINT8, 14.MTP_TYPE_AINT16, 15.MTP_TYPE_AUINT16, 16.MTP_TYPE_AINT32, 17.MTP_TYPE_AUINT32, 18.MTP_TYPE_AINT64, 19.MTP_TYPE_AUINT64, 20.MTP_TYPE_AINT128, 21.MTP_TYPE_AUINT128, 22.MTP_TYPE_STR,	Value obtained from FuzzedDataProvider
kUrbPacketDivisionMode	1. FIRST_PACKET_ONLY_HEADER, 2. FIRST_PACKET_HAS_PAYLOAD,	Value obtained from FuzzedDataProvider

Steps to run

1. Build the fuzzer

  $ mm -j$(nproc) mtp_host_property_fuzzer

2. Run on device

  $ adb sync data
  $ adb shell /data/fuzz/arm64/mtp_host_property_fuzzer/mtp_host_property_fuzzer

Fuzzer for MtpDeviceProperty

MtpDeviceProperty supports the following parameters:

1. Feasible Type (parameter name: “kFeasibleType”)

Parameter	Valid Values	Configured Value
kFeasibleType	1. MTP_TYPE_UNDEFINED, 2. MTP_TYPE_INT8, 3.MTP_TYPE_UINT8, 4.MTP_TYPE_INT16, 5.MTP_TYPE_UINT16, 6.MTP_TYPE_INT32, 7.MTP_TYPE_UINT32, 8.MTP_TYPE_INT64, 9.MTP_TYPE_UINT64, 10.MTP_TYPE_INT128, 11.MTP_TYPE_UINT128, 12.MTP_TYPE_AINT8, 13.MTP_TYPE_AUINT8, 14.MTP_TYPE_AINT16, 15.MTP_TYPE_AUINT16, 16.MTP_TYPE_AINT32, 17.MTP_TYPE_AUINT32, 18.MTP_TYPE_AINT64, 19.MTP_TYPE_AUINT64, 20.MTP_TYPE_AINT128, 21.MTP_TYPE_AUINT128, 22.MTP_TYPE_STR,	Value obtained from FuzzedDataProvider

Steps to run

1. Build the fuzzer

  $ mm -j$(nproc) mtp_device_property_fuzzer

2. Run on device

  $ adb sync data
  $ adb shell /data/fuzz/arm64/mtp_device_property_fuzzer/mtp_device_property_fuzzer

Fuzzer for MtpHandle

Steps to run

1. Build the fuzzer

  $ mm -j$(nproc) mtp_handle_fuzzer

2. Run on device

  $ adb sync data
  $ adb shell /data/fuzz/arm64/mtp_handle_fuzzer/mtp_handle_fuzzer

Fuzzer for MtpPacket

MtpPacket supports the following parameters:

1. bufferSize (parameter name: “size”)

Parameter	Valid Values	Configured Value
bufferSize	Integer 1 to 1000,	Value obtained from FuzzedDataProvider

Steps to run

1. Build the fuzzer

  $ mm -j$(nproc) mtp_packet_fuzzer

2. Run on device

  $ adb sync data
  $ adb shell /data/fuzz/arm64/mtp_packet_fuzzer/mtp_packet_fuzzer

Fuzzer for MtpDevice

MtpDevice supports the following parameters:

1. Device Name (parameter name: “deviceName”)

Parameter	Valid Values	Configured Value
deviceName	String	Value obtained from FuzzedDataProvider

Steps to run

1. Build the fuzzer

  $ mm -j$(nproc) mtp_device_fuzzer

2. Run on device

  $ adb sync data
  $ adb shell /data/fuzz/arm64/mtp_device_fuzzer/mtp_device_fuzzer

Fuzzer for MtpRequestPacket

MtpRequestPacket supports the following parameters:

1. Data (parameter name: “data”)

Parameter	Valid Values	Configured Value
data	Vector of positive Integer	Value obtained from FuzzedDataProvider

Steps to run

1. Build the fuzzer

  $ mm -j$(nproc) mtp_request_packet_fuzzer

2. Run on device

  $ adb sync data
  $ adb shell /data/fuzz/arm64/mtp_request_packet_fuzzer/mtp_request_packet_fuzzer

Fuzzer for MtpEventPacket

MtpEventPacket supports the following parameters:

1. Size (parameter name: “size”)

Parameter	Valid Values	Configured Value
size	Integer 1 to 1000,	Value obtained from FuzzedDataProvider

Steps to run

1. Build the fuzzer

  $ mm -j$(nproc) mtp_event_packet_fuzzer

2. Run on device

  $ adb sync data
  $ adb shell /data/fuzz/arm64/mtp_event_packet_fuzzer/mtp_event_packet_fuzzer

Fuzzer for MtpResponsePacket

MtpResponsePacket supports the following parameters:

1. Size (parameter name: “size”)

Parameter	Valid Values	Configured Value
size	Integer 1 to 1000,	Value obtained from FuzzedDataProvider

Steps to run

1. Build the fuzzer

  $ mm -j$(nproc) mtp_response_packet_fuzzer

2. Run on device

  $ adb sync data
  $ adb shell /data/fuzz/arm64/mtp_response_packet_fuzzer/mtp_response_packet_fuzzer

Fuzzer for MtpDataPacket

MtpDataPacket supports the following parameters:

1. UrbPacket Division Mode (parameter name: “kUrbPacketDivisionModes”)
2. Size (parameter name: “size”)

Parameter	Valid Values	Configured Value
kUrbPacketDivisionMode	1. FIRST_PACKET_ONLY_HEADER, 2. FIRST_PACKET_HAS_PAYLOAD,	Value obtained from FuzzedDataProvider
size	Integer 1 to 1000,	Value obtained from FuzzedDataProvider

Steps to run

1. Build the fuzzer

  $ mm -j$(nproc) mtp_data_packet_fuzzer

2. Run on device

  $ adb sync data
  $ adb shell /data/fuzz/arm64/mtp_data_packet_fuzzer/mtp_data_packet_fuzzer