CTS test for Android Security b/120084106

Bug: 120084106
Bug: 126802923
Test: Ran the new testcase on android-9.0.0_r38 with/without patch

Change-Id: If67abe25655f70e24970997450a7acf3802664ca
diff --git a/hostsidetests/securitybulletin/securityPatch/CVE-2019-2011/Android.bp b/hostsidetests/securitybulletin/securityPatch/CVE-2019-2011/Android.bp
new file mode 100644
index 0000000..59d60f3
--- /dev/null
+++ b/hostsidetests/securitybulletin/securityPatch/CVE-2019-2011/Android.bp
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+cc_test {
+    name: "CVE-2019-2011",
+    defaults: ["cts_hostsidetests_securitybulletin_defaults"],
+    srcs: [
+        "poc.cpp",
+        ":cts_hostsidetests_securitybulletin_memutils",
+    ],
+    shared_libs: [
+        "libhidlbase",
+        "libcutils",
+    ],
+    cflags: [
+        "-DCHECK_OVERFLOW",
+    ],
+}
diff --git a/hostsidetests/securitybulletin/securityPatch/CVE-2019-2011/poc.cpp b/hostsidetests/securitybulletin/securityPatch/CVE-2019-2011/poc.cpp
new file mode 100644
index 0000000..1de147c
--- /dev/null
+++ b/hostsidetests/securitybulletin/securityPatch/CVE-2019-2011/poc.cpp
@@ -0,0 +1,50 @@
+/**
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <hwbinder/Parcel.h>
+
+using namespace android::hardware;
+
+int main() {
+    int32_t numFds = 1;
+    int32_t numInts = 0;
+    android::status_t err = android::NO_ERROR;
+
+    native_handle_t *nativeHandleSend = native_handle_create(numFds, numInts);
+    Parcel *parcel = new Parcel();
+    err = parcel->writeNativeHandleNoDup(nativeHandleSend);
+    if (err != android::NO_ERROR) {
+        return EXIT_FAILURE;
+    }
+    parcel->setDataPosition(0);
+
+    nativeHandleSend->numInts = 1024;
+
+    const native_handle_t *nativeHandleReceive = nullptr;
+    err = parcel->readNativeHandleNoDup(&nativeHandleReceive);
+    if (err == android::NO_ERROR) {
+        native_handle_t *tempHandle = const_cast<native_handle_t *>(nativeHandleReceive);
+        for (numInts = nativeHandleReceive->numFds; numInts < nativeHandleReceive->numInts;
+             ++numInts) {
+            ++tempHandle->data[numInts];
+        }
+    }
+
+    // The fix is to validate the nativeHandle size and return an error. Hence
+    // if control reaches here, the patch is present. Return EXIT_SUCCESS
+    delete parcel;
+    native_handle_delete(nativeHandleSend);
+    return EXIT_SUCCESS;
+}
diff --git a/hostsidetests/securitybulletin/src/android/security/cts/CVE_2019_2011.java b/hostsidetests/securitybulletin/src/android/security/cts/CVE_2019_2011.java
new file mode 100644
index 0000000..f92c876
--- /dev/null
+++ b/hostsidetests/securitybulletin/src/android/security/cts/CVE_2019_2011.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.security.cts;
+
+import android.platform.test.annotations.SecurityTest;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import com.android.tradefed.testtype.DeviceJUnit4ClassRunner;
+import com.android.tradefed.device.ITestDevice;
+
+@RunWith(DeviceJUnit4ClassRunner.class)
+public class CVE_2019_2011 extends SecurityTestCase {
+
+    /**
+     * b/120084106
+     * Vulnerability Behaviour: SIGSEGV in self
+     */
+    @SecurityTest(minPatchLevel = "2019-03")
+    @Test
+    public void testPocCVE_2019_2011() throws Exception {
+        AdbUtils.runPocAssertNoCrashesNotVulnerable("CVE-2019-2011", null, getDevice());
+    }
+}