Commit 3bbcbcdc authored Jul 06, 2023 by Zhanglong Xia Committed by Kangping Dong Aug 25, 2023

fix the Thread Network fuzz testing error

The current fuzz testing comunicates with the Thread radio chip
simulation program `ot-rcp`. The 'ot-rcp' is not installed by all
devices, which causes the fuzz testing program is unable to find
the program '/vendor/bin/ot-rcp'.

This commit enables the HAL to talk to the '/dev/null' to avoid
'/vendor/bin/ot-rcp' not being found.

Bug: 289627270
Test: Run the fuzz test on cuttlefish
(cherry picked from https://android-review.googlesource.com/q/commit:7f7e8647fa94b9d126cb88f366740f2b50b1f864)
Merged-In: If410d7d75abe05c7c2d2c82fa0450e925b9a48bb
Change-Id: If410d7d75abe05c7c2d2c82fa0450e925b9a48bb

parent 83c4ef44

threadnetwork/aidl/default/Android.bp

+0 −1

Original line number	Diff line number	Diff line
		@@ -79,7 +79,6 @@ cc_fuzz {
		"fuzzer.cpp",
		],

		required: ["ot-rcp"],
		fuzz_config: {
		cc: [
		"zhanglongxia@google.com",

threadnetwork/aidl/default/fuzzer.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -22,7 +22,7 @@ using aidl::android::hardware::threadnetwork::ThreadChip;
		using android::fuzzService;

		extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
		char url[] = "spinel+hdlc+forkpty:///vendor/bin/ot-rcp?forkpty-arg=2";
		char url[] = "spinel+hdlc+null:///dev/null";
		auto service = ndk::SharedRefBase::make<ThreadChip>(url);

		fuzzService(service->asBinder().get(), FuzzedDataProvider(data, size));