Merge "Scramble input windows during fuzzing" into main (b2d8c6c3) · Commits · e / os / platform_frameworks_native

services/inputflinger/tests/fuzzers/InputDispatcherFuzzer.cpp

+31 −11

Original line number	Diff line number	Diff line
		@@ -65,6 +65,27 @@ private:
		std::map<int32_t /displayId/, InputVerifier> mVerifiers;
		};

		void scrambleWindow(FuzzedDataProvider& fdp, FakeWindowHandle& window) {
		const int32_t left = fdp.ConsumeIntegralInRange<int32_t>(0, 100);
		const int32_t top = fdp.ConsumeIntegralInRange<int32_t>(0, 100);
		const int32_t width = fdp.ConsumeIntegralInRange<int32_t>(0, 100);
		const int32_t height = fdp.ConsumeIntegralInRange<int32_t>(0, 100);

		window.setFrame(Rect(left, top, left + width, top + height));
		window.setSlippery(fdp.ConsumeBool());
		window.setDupTouchToWallpaper(fdp.ConsumeBool());
		window.setIsWallpaper(fdp.ConsumeBool());
		window.setVisible(fdp.ConsumeBool());
		window.setPreventSplitting(fdp.ConsumeBool());
		const bool isTrustedOverlay = fdp.ConsumeBool();
		window.setTrustedOverlay(isTrustedOverlay);
		if (isTrustedOverlay) {
		window.setSpy(fdp.ConsumeBool());
		} else {
		window.setSpy(false);
		}
		}

		} // namespace

		sp<FakeWindowHandle> generateFuzzedWindow(FuzzedDataProvider& fdp, InputDispatcher& dispatcher,
		@@ -73,17 +94,9 @@ sp<FakeWindowHandle> generateFuzzedWindow(FuzzedDataProvider& fdp, InputDispatch
		std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
		std::string windowName = android::base::StringPrintf("Win") + std::to_string(windowNumber++);
		sp<FakeWindowHandle> window =
		sp<FakeWindowHandle>::make(application, dispatcher, "Fake", displayId);
		sp<FakeWindowHandle>::make(application, dispatcher, windowName, displayId);

		const int32_t left = fdp.ConsumeIntegralInRange<int32_t>(0, 100);
		const int32_t top = fdp.ConsumeIntegralInRange<int32_t>(0, 100);
		const int32_t width = fdp.ConsumeIntegralInRange<int32_t>(0, 100);
		const int32_t height = fdp.ConsumeIntegralInRange<int32_t>(0, 100);

		window->setFrame(Rect(left, top, left + width, top + height));
		window->setSlippery(fdp.ConsumeBool());
		window->setDupTouchToWallpaper(fdp.ConsumeBool());
		window->setTrustedOverlay(fdp.ConsumeBool());
		scrambleWindow(fdp, *window);
		return window;
		}

		@@ -113,7 +126,14 @@ void randomizeWindows(
		windowsPerDisplay.erase(displayId);
		}
		},
		// Could also clone a window, change flags, reposition, etc...
		// Change flags or move some of the existing windows
		[&]() -> void {
		for (auto& window : windows) {
		if (fdp.ConsumeBool()) {
		scrambleWindow(fdp, *window);
		}
		}
		},
		})();
		}