Fuzzers for libinit

Table of contents

Fuzzer for InitParser

InitParser supports the following parameters:

  1. ValidPathNames (parameter name: "kValidPaths")
  2. ValidParseInputs (parameter name: "kValidInputs")
ParameterValid ValuesConfigured Value
kValidPaths0./system/etc/init/hw/init.rc,
1./system/etc/init		Value obtained from FuzzedDataProvider
kValidInputs0.{"","cpu", "10", "10"},
1.{"","RLIM_CPU", "10", "10"},
2.{"","12", "unlimited", "10"},
3.{"","13", "-1", "10"},
4.{"","14", "10", "unlimited"},
5.{"","15", "10", "-1"}		Value obtained from FuzzedDataProvider

Steps to run

  1. Build the fuzzer
  $ mm -j$(nproc) init_parser_fuzzer
  1. Run on device
  $ adb sync data
  $ adb shell /data/fuzz/arm64/init_parser_fuzzer/init_parser_fuzzer

Fuzzer for InitProperty

InitProperty supports the following parameters: PropertyType (parameter name: "PropertyType")

ParameterValid ValuesConfigured Value
PropertyType0.STRING,
1.BOOL,
2.INT,
3.UINT,
4.DOUBLE,
5.SIZE,
6.ENUM,
7.RANDOM		Value obtained from FuzzedDataProvider

Steps to run

  1. Build the fuzzer
  $ mm -j$(nproc) init_property_fuzzer
  1. Run on device
  $ adb sync data
  $ adb shell /data/fuzz/arm64/init_property_fuzzer/init_property_fuzzer