Added liblp_builder_fuzzer and liblp_super_layout_builder_fuzzer

/*

 * Copyright (C) 2023 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at:

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

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cc_defaults {

    name: "liblp_fuzz_defaults",

    header_libs: [

        "libstorage_literals_headers",

    ],

    shared_libs: [

        "liblp",

        "libbase",

        "liblog",

    ],

    static_libs: [

        "libcutils",

    ],

    include_dirs: [

        "system/core/fs_mgr/liblp",

    ],

    fuzz_config: {

        cc: [

            "android-media-fuzzing-reports@google.com",

        ],

        componentid: 59148,

        hotlists: ["4593311"],

        description: "The fuzzers target the APIs of all liblp modules",

        vector: "local_no_privileges_required",

        service_privilege: "privileged",

        users: "multi_user",

        fuzzed_code_usage: "shipped"

    }

}

cc_fuzz {

    name: "liblp_builder_fuzzer",

    srcs: ["liblp_builder_fuzzer.cpp"],

    defaults: ["liblp_fuzz_defaults"],

}

cc_fuzz {

    name: "liblp_super_layout_builder_fuzzer",

    srcs: ["liblp_super_layout_builder_fuzzer.cpp"],

    defaults: ["liblp_fuzz_defaults"],

}

# Fuzzers for liblp

## Table of contents

+  [liblp_builder_fuzzer](#Builder)

+  [liblp_super_layout_builder_fuzzer](#SuperBuilder)

# <a  name="Builder"></a> Fuzzer for LiblpBuilder

LiblpBuilder supports the following parameters:

1. kAttributeTypes (parameter name: "attribute")

2. blockDevSize (parameter name: "blockdev_size")

3. metadataMaxSize (parameter name: "metadata_max_size")

4. metadataSlotCount (parameter name: "metadata_slot_count")

5. partitionName (parameter name: "partition_name")

6. superBlockDeviceName (parameter name: "block_device_name")

7. blockDeviceInfoSize (parameter name: "block_device_info_size")

8. alignment (parameter name: "alignment")

9. alignmentOffset (parameter name: "alignment_offset")

10. logicalBlockSize (parameter name: "logical_block_size")

11. maxMetadataSize (parameter name: "max_metadata_size")

12. numSlots (parameter name: "metadata_slot_count")

13. deviceIndex (parameter name: "device_index")

14. start (parameter name: "start")

15. end (parameter name: "end")

16. addedGroupName (parameter name: "group_name")

17. partitionGroupName (parameter name: "partition_name")

18. numSectors (parameter name: "num_sectors")

19. physicalSector (parameter name: "physical_sector")

20. resizedPartitionSize (parameter name: "requested_size")

| Parameter| Valid Values| Configured Value|

|------------- |-------------| ----- |

|`kAttributeTypes`| 1.`LP_PARTITION_ATTR_NONE`,<br/> 2.`LP_PARTITION_ATTR_READONLY`,<br/> 3.`LP_PARTITION_ATTR_SLOT_SUFFIXED`,<br/> 4.`LP_PARTITION_ATTR_UPDATED`,<br/> 5.`LP_PARTITION_ATTR_DISABLED`|Value obtained from FuzzedDataProvider|

|`blockDevSize`| Integer value from `0` to `100000`|Value obtained from FuzzedDataProvider|

|`metadataMaxSize`| Integer value from `0` to `10000` |Value obtained from FuzzedDataProvider|

|`metadataSlotCount`| Integer value from `0` to `2` |Value obtained from FuzzedDataProvider|

|`partitionName`| String |Value obtained from FuzzedDataProvider|

|`superBlockDeviceName`| String |Value obtained from FuzzedDataProvider|

|`blockDeviceInfoSize`| Integer |Value obtained from FuzzedDataProvider|

|`alignment`| Integer |Value obtained from FuzzedDataProvider|

|`alignmentOffset`| Integer |Value obtained from FuzzedDataProvider|

|`logicalBlockSize`| Integer |Value obtained from FuzzedDataProvider|

|`maxMetadataSize`| Integer value from `0` to `10000` |Value obtained from FuzzedDataProvider|

|`numSlots`| Integer value from `0` to `2` |Value obtained from FuzzedDataProvider|

|`deviceIndex`| Integer |Value obtained from FuzzedDataProvider|

|`start`| Integer |Value obtained from FuzzedDataProvider|

|`end`| Integer |Value obtained from FuzzedDataProvider|

|`partitionGroupName`| String |Value obtained from FuzzedDataProvider|

|`numSectors`| Integer value from `1` to `1000000` |Value obtained from FuzzedDataProvider|

|`physicalSector`| Integer value from `1` to `1000000` |Value obtained from FuzzedDataProvider|

|`resizedPartitionSize`| Integer value from `0` to `10000` |Value obtained from FuzzedDataProvider|

#### Steps to run

1. Build the fuzzer

```

  $ mm -j$(nproc) liblp_builder_fuzzer

```

2. Run on device

```

  $ adb sync data

  $ adb shell /data/fuzz/arm64/liblp_builder_fuzzer/liblp_builder_fuzzer

```

# <a  name="SuperBuilder"></a> Fuzzer for LiblpSuperLayoutBuilder

SuperLayoutBuilder supports the following parameters:

1. kAttributeTypes (parameter name: "attribute")

2. blockDevSize (parameter name: "blockdev_size")

3. metadataMaxSize (parameter name: "metadata_max_size")

4. metadataSlotCount (parameter name: "metadata_slot_count")

5. partitionName (parameter name: "partition_name")

6. data (parameter name: "data")

7. imageName (parameter name: "image_name")

| Parameter| Valid Values| Configured Value|

|------------- |-------------| ----- |

|`kAttributeTypes`| 1.`LP_PARTITION_ATTR_NONE`,<br/> 2.`LP_PARTITION_ATTR_READONLY`,<br/> 3.`LP_PARTITION_ATTR_SLOT_SUFFIXED`,<br/> 4.`LP_PARTITION_ATTR_UPDATED`,<br/> 5.`LP_PARTITION_ATTR_DISABLED`|Value obtained from FuzzedDataProvider|

|`blockDevSize`| Integer value from `0` to `100000`|Value obtained from FuzzedDataProvider|

|`metadataMaxSize`| Integer value from `0` to `10000` |Value obtained from FuzzedDataProvider|

|`metadataSlotCount`| Integer value from `0` to `2` |Value obtained from FuzzedDataProvider|

|`partitionName`| String |Value obtained from FuzzedDataProvider|

|`data`| String |Value obtained from FuzzedDataProvider|

|`imageName`| String |Value obtained from FuzzedDataProvider|

#### Steps to run

1. Build the fuzzer

```

  $ mm -j$(nproc) liblp_super_layout_builder_fuzzer

```

2. Run on device

```

  $ adb sync data

  $ adb shell /data/fuzz/arm64/liblp_super_layout_builder_fuzzer/liblp_super_layout_builder_fuzzer

```