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Commit 3fccde06 authored by Chethan Kumar R E's avatar Chethan Kumar R E Committed by Alec Mouri
Browse files

Added surfaceflinger_displayhardware_fuzzer 

Test: ./surfaceflinger_displayhardware_fuzzer
Bug: 189053744

Change-Id: I2e69331d34eca4cbb81def65494acf5fdb436a39
parent 2ca555c8

services/surfaceflinger/fuzzer/Android.bp

+14 −0
Original line number Diff line number Diff line
@@ -78,3 +78,17 @@ cc_fuzz { 
        "surfaceflinger_fuzzer.cpp",

    ],

}



cc_fuzz {

    name: "surfaceflinger_displayhardware_fuzzer",

    defaults: [

        "surfaceflinger_fuzz_defaults",

    ],

    srcs: [

        "surfaceflinger_displayhardware_fuzzer.cpp",

    ],

    header_libs: [

        "android.hardware.graphics.composer@2.4-command-buffer",

        "android.hardware.graphics.composer@2.4-hal",

    ],

}

services/surfaceflinger/fuzzer/README.md

+29 −0
Original line number Diff line number Diff line 
# Fuzzers for SurfaceFlinger

## Table of contents

+ [SurfaceFlinger](#SurfaceFlinger)

+ [DisplayHardware](#DisplayHardware)



# <a name="SurfaceFlinger"></a> Fuzzer for SurfaceFlinger
@@ -22,3 +23,31 @@ You can find the possible values in the fuzzer's source code. 
  $ adb sync data

  $ adb shell /data/fuzz/arm64/surfaceflinger_fuzzer/surfaceflinger_fuzzer

```



# <a name="DisplayHardware"></a> Fuzzer for DisplayHardware



DisplayHardware supports the following parameters:

1. Hal Capability (parameter name: `hasCapability`)

2. Hal BlendMode (parameter name: `setBlendMode`)

3. Hal Composition (parameter name: `setCompositionType`)

4. Hal Display Capability (parameter name: `hasDisplayCapability`)

5. Composition Types (parameter name: `prepareFrame`)

6. Color Modes (parameter name: `setActiveColorMode`)

7. Render Intents (parameter name: `setActiveColorMode`)

8. Power Modes (parameter name: `setPowerMode`)

9. Content Types (parameter name: `setContentType`)

10. Data Space (parameter name: `setDataspace`)

11. Transforms (parameter name: `setLayerTransform`)



You can find the possible values in the fuzzer's source code.



#### Steps to run

1. Build the fuzzer

```

  $ mm -j$(nproc) surfaceflinger_displayhardware_fuzzer

```

2. Run on device

```

  $ adb sync data

  $ adb shell /data/fuzz/arm64/surfaceflinger_displayhardware_fuzzer/surfaceflinger_displayhardware_fuzzer

```