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Commit cd21a20b authored by Devin Moore's avatar Devin Moore
Browse files

random_binder: don't try to get ServiceManager on host 

There is no ServiceManager binder on host, so don't try to get it.

Alternative considered:
setDefaultServiceManager(sp<FakeServiceManager>::make());
But if that's called after the process already called
setDefaultServiceManager or defaultServiceManager, it will abort. So
existing users of libbinder_random_parcel would break.

Flag: EXEMPT test only
Test: binder_parcel_fuzzer # host and device
Bug: 407122315
Change-Id: I2a36ac54bac5f088d9a3e8a2f359b7a5acaddc16
parent 6e578e5b

libs/binder/tests/parcel_fuzzer/random_binder.cpp

+3 −0
Original line number Diff line number Diff line
@@ -76,13 +76,16 @@ sp<IBinder> getRandomBinder(FuzzedDataProvider* provider) { 


                return new RandomBinder(String16(str.c_str()), std::move(bytes));

            },

#ifdef __ANDROID__

            []() {

                // this is the easiest remote binder to get ahold of, and it

                // should be able to handle anything thrown at it, and

                // essentially every process can talk to it, so it's a good

                // candidate for checking usage of an actual BpBinder

                // This only works on an Android device with binder enabled

                return IInterface::asBinder(defaultServiceManager());

            },

#endif

            [&]() -> sp<IBinder> { return nullptr; },

    });

    return makeFunc();