[RESTRICT AUTOMERGE] CTS test for Android security b/156999009

Bug: 156999009
Bug: 163560415
Test: Ran the new testcase on android-8.1.0_r11 with/without patch

Change-Id: I7f1cbe9d555445d20a41fb60d3cf1ddbccc08605
(cherry picked from commit add45b07681aaf63bbed7410074893ece2216f60)
diff --git a/hostsidetests/securitybulletin/AndroidTest.xml b/hostsidetests/securitybulletin/AndroidTest.xml
index b84c794..a4cc86c 100644
--- a/hostsidetests/securitybulletin/AndroidTest.xml
+++ b/hostsidetests/securitybulletin/AndroidTest.xml
@@ -272,6 +272,7 @@
         <!--__________________-->
         <!-- Bulletin 2020-10 -->
         <!-- Please add tests solely from this bulletin below to avoid merge conflict -->
+        <option name="push" value="CVE-2020-0408->/data/local/tmp/CVE-2020-0408" />
         <option name="push" value="CVE-2020-0421->/data/local/tmp/CVE-2020-0421" />
 
         <option name="append-bitness" value="true" />
diff --git a/hostsidetests/securitybulletin/securityPatch/CVE-2020-0408/Android.mk b/hostsidetests/securitybulletin/securityPatch/CVE-2020-0408/Android.mk
new file mode 100644
index 0000000..2da1a2e
--- /dev/null
+++ b/hostsidetests/securitybulletin/securityPatch/CVE-2020-0408/Android.mk
@@ -0,0 +1,31 @@
+# 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.
+
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := CVE-2020-0408
+LOCAL_SRC_FILES := poc.cpp
+LOCAL_MULTILIB := both
+LOCAL_MODULE_STEM_32 := $(LOCAL_MODULE)32
+LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
+LOCAL_SHARED_LIBRARIES:= libutils
+
+# Tag this module as a cts/sts test artifact
+LOCAL_COMPATIBILITY_SUITE := cts sts vts
+LOCAL_CTS_TEST_PACKAGE := android.security.cts
+
+LOCAL_ARM_MODE := arm
+LOCAL_CFLAGS := -Wall -Werror
+include $(BUILD_CTS_EXECUTABLE)
diff --git a/hostsidetests/securitybulletin/securityPatch/CVE-2020-0408/poc.cpp b/hostsidetests/securitybulletin/securityPatch/CVE-2020-0408/poc.cpp
new file mode 100644
index 0000000..dcccd2e
--- /dev/null
+++ b/hostsidetests/securitybulletin/securityPatch/CVE-2020-0408/poc.cpp
@@ -0,0 +1,31 @@
+/**
+ * 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 "utils/String16.h"
+
+int main(void) {
+  android::String16 str{u"hello world"};
+  android::String16 substr{u"hello"};
+  const size_t begin = substr.size();
+  const size_t len = std::numeric_limits<size_t>::max();
+  if (str.remove(len, begin) != android::OK) {
+    return EXIT_FAILURE;
+  }
+  if (strcmp16(str, substr) != 0) {
+    return EXIT_FAILURE;
+  }
+  return EXIT_SUCCESS;
+}
diff --git a/hostsidetests/securitybulletin/src/android/security/cts/TestMedia.java b/hostsidetests/securitybulletin/src/android/security/cts/TestMedia.java
index 24041cc..1e911bc 100644
--- a/hostsidetests/securitybulletin/src/android/security/cts/TestMedia.java
+++ b/hostsidetests/securitybulletin/src/android/security/cts/TestMedia.java
@@ -54,6 +54,21 @@
      ******************************************************************************/
 
     /**
+     * b/156999009
+     * Vulnerability Behaviour: SIGABRT in self
+     */
+    @Test
+    @SecurityTest(minPatchLevel = "2020-10")
+    public void testPocCVE_2020_0408() throws Exception {
+        String signals[] = {CrashUtils.SIGSEGV, CrashUtils.SIGBUS, CrashUtils.SIGABRT};
+        String binaryName = "CVE-2020-0408";
+        AdbUtils.pocConfig testConfig = new AdbUtils.pocConfig(binaryName, getDevice());
+        testConfig.config = new CrashUtils.Config().setProcessPatterns(binaryName);
+        testConfig.config.setSignals(signals);
+        AdbUtils.runPocAssertNoCrashesNotVulnerable(testConfig);
+    }
+
+    /**
      * b/161894517
      * Vulnerability Behaviour: SIGABRT in self
      */