diff --git a/media/libmedia/IAudioFlinger.cpp b/media/libmedia/IAudioFlinger.cpp
index a3f014b..18a933f 100644
--- a/media/libmedia/IAudioFlinger.cpp
+++ b/media/libmedia/IAudioFlinger.cpp
@@ -1104,8 +1104,10 @@
         case OPEN_OUTPUT: {
             CHECK_INTERFACE(IAudioFlinger, data, reply);
             audio_module_handle_t module = (audio_module_handle_t)data.readInt32();
-            audio_config_t config;
-            data.read(&config, sizeof(audio_config_t));
+            audio_config_t config = {};
+            if (data.read(&config, sizeof(audio_config_t)) != NO_ERROR) {
+                ALOGE("b/23905951");
+            }
             audio_devices_t devices = (audio_devices_t)data.readInt32();
             String8 address(data.readString8());
             audio_output_flags_t flags = (audio_output_flags_t) data.readInt32();
@@ -1149,8 +1151,10 @@
             CHECK_INTERFACE(IAudioFlinger, data, reply);
             audio_module_handle_t module = (audio_module_handle_t)data.readInt32();
             audio_io_handle_t input = (audio_io_handle_t)data.readInt32();
-            audio_config_t config;
-            data.read(&config, sizeof(audio_config_t));
+            audio_config_t config = {};
+            if (data.read(&config, sizeof(audio_config_t)) != NO_ERROR) {
+                ALOGE("b/23905951");
+            }
             audio_devices_t device = (audio_devices_t)data.readInt32();
             String8 address(data.readString8());
             audio_source_t source = (audio_source_t)data.readInt32();
@@ -1255,8 +1259,10 @@
         }
         case CREATE_EFFECT: {
             CHECK_INTERFACE(IAudioFlinger, data, reply);
-            effect_descriptor_t desc;
-            data.read(&desc, sizeof(effect_descriptor_t));
+            effect_descriptor_t desc = {};
+            if (data.read(&desc, sizeof(effect_descriptor_t)) != NO_ERROR) {
+                ALOGE("b/23905951");
+            }
             sp<IEffectClient> client = interface_cast<IEffectClient>(data.readStrongBinder());
             int32_t priority = data.readInt32();
             audio_io_handle_t output = (audio_io_handle_t) data.readInt32();
@@ -1333,8 +1339,10 @@
         } break;
         case GET_AUDIO_PORT: {
             CHECK_INTERFACE(IAudioFlinger, data, reply);
-            struct audio_port port;
-            data.read(&port, sizeof(struct audio_port));
+            struct audio_port port = {};
+            if (data.read(&port, sizeof(struct audio_port)) != NO_ERROR) {
+                ALOGE("b/23905951");
+            }
             status_t status = getAudioPort(&port);
             reply->writeInt32(status);
             if (status == NO_ERROR) {
@@ -1346,8 +1354,10 @@
             CHECK_INTERFACE(IAudioFlinger, data, reply);
             struct audio_patch patch;
             data.read(&patch, sizeof(struct audio_patch));
-            audio_patch_handle_t handle;
-            data.read(&handle, sizeof(audio_patch_handle_t));
+            audio_patch_handle_t handle = {};
+            if (data.read(&handle, sizeof(audio_patch_handle_t)) != NO_ERROR) {
+                ALOGE("b/23905951");
+            }
             status_t status = createAudioPatch(&patch, &handle);
             reply->writeInt32(status);
             if (status == NO_ERROR) {
diff --git a/media/libmedia/IAudioPolicyService.cpp b/media/libmedia/IAudioPolicyService.cpp
index 7e6b9fc..0cc954f 100644
--- a/media/libmedia/IAudioPolicyService.cpp
+++ b/media/libmedia/IAudioPolicyService.cpp
@@ -1148,8 +1148,10 @@
 
         case GET_AUDIO_PORT: {
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
-            struct audio_port port;
-            data.read(&port, sizeof(struct audio_port));
+            struct audio_port port = {};
+            if (data.read(&port, sizeof(struct audio_port)) != NO_ERROR) {
+                ALOGE("b/23912202");
+            }
             status_t status = getAudioPort(&port);
             reply->writeInt32(status);
             if (status == NO_ERROR) {
@@ -1162,8 +1164,10 @@
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             struct audio_patch patch;
             data.read(&patch, sizeof(struct audio_patch));
-            audio_patch_handle_t handle;
-            data.read(&handle, sizeof(audio_patch_handle_t));
+            audio_patch_handle_t handle = {};
+            if (data.read(&handle, sizeof(audio_patch_handle_t)) != NO_ERROR) {
+                ALOGE("b/23912202");
+            }
             status_t status = createAudioPatch(&patch, &handle);
             reply->writeInt32(status);
             if (status == NO_ERROR) {
@@ -1292,7 +1296,7 @@
             data.read(&source, sizeof(struct audio_port_config));
             audio_attributes_t attributes;
             data.read(&attributes, sizeof(audio_attributes_t));
-            audio_io_handle_t handle;
+            audio_io_handle_t handle = {};
             status_t status = startAudioSource(&source, &attributes, &handle);
             reply->writeInt32(status);
             reply->writeInt32(handle);
diff --git a/media/libmediaplayerservice/nuplayer/GenericSource.cpp b/media/libmediaplayerservice/nuplayer/GenericSource.cpp
index 7dc9be7..b3eb5fd 100644
--- a/media/libmediaplayerservice/nuplayer/GenericSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/GenericSource.cpp
@@ -467,9 +467,17 @@
 
 void NuPlayer::GenericSource::notifyPreparedAndCleanup(status_t err) {
     if (err != OK) {
-        mDataSource.clear();
-        mCachedSource.clear();
-        mHttpSource.clear();
+        {
+            sp<DataSource> dataSource = mDataSource;
+            sp<NuCachedSource2> cachedSource = mCachedSource;
+            sp<DataSource> httpSource = mHttpSource;
+            {
+                Mutex::Autolock _l(mDisconnectLock);
+                mDataSource.clear();
+                mCachedSource.clear();
+                mHttpSource.clear();
+            }
+        }
         mBitrate = -1;
 
         cancelPollBuffering();
@@ -522,13 +530,20 @@
 }
 
 void NuPlayer::GenericSource::disconnect() {
-    if (mDataSource != NULL) {
+    sp<DataSource> dataSource, httpSource;
+    {
+        Mutex::Autolock _l(mDisconnectLock);
+        dataSource = mDataSource;
+        httpSource = mHttpSource;
+    }
+
+    if (dataSource != NULL) {
         // disconnect data source
-        if (mDataSource->flags() & DataSource::kIsCachingDataSource) {
-            static_cast<NuCachedSource2 *>(mDataSource.get())->disconnect();
+        if (dataSource->flags() & DataSource::kIsCachingDataSource) {
+            static_cast<NuCachedSource2 *>(dataSource.get())->disconnect();
         }
-    } else if (mHttpSource != NULL) {
-        static_cast<HTTPBase *>(mHttpSource.get())->disconnect();
+    } else if (httpSource != NULL) {
+        static_cast<HTTPBase *>(httpSource.get())->disconnect();
     }
 }
 
diff --git a/media/libmediaplayerservice/nuplayer/GenericSource.h b/media/libmediaplayerservice/nuplayer/GenericSource.h
index dc85d2d..ac980ef 100644
--- a/media/libmediaplayerservice/nuplayer/GenericSource.h
+++ b/media/libmediaplayerservice/nuplayer/GenericSource.h
@@ -153,6 +153,7 @@
     int32_t mPrevBufferPercentage;
 
     mutable Mutex mReadBufferLock;
+    mutable Mutex mDisconnectLock;
 
     sp<ALooper> mLooper;
 
diff --git a/media/libstagefright/codecs/amrnb/dec/Android.mk b/media/libstagefright/codecs/amrnb/dec/Android.mk
index 3750e2e..76a7f40 100644
--- a/media/libstagefright/codecs/amrnb/dec/Android.mk
+++ b/media/libstagefright/codecs/amrnb/dec/Android.mk
@@ -98,7 +98,7 @@
         libstagefright_amrnbdec libsndfile
 
 LOCAL_SHARED_LIBRARIES := \
-        libstagefright_amrnb_common libaudioutils
+        libstagefright_amrnb_common libaudioutils liblog
 
 LOCAL_MODULE := libstagefright_amrnbdec_test
 LOCAL_MODULE_TAGS := optional
diff --git a/media/libstagefright/codecs/amrnb/dec/src/a_refl.cpp b/media/libstagefright/codecs/amrnb/dec/src/a_refl.cpp
index fb7cff3..696d2da 100644
--- a/media/libstagefright/codecs/amrnb/dec/src/a_refl.cpp
+++ b/media/libstagefright/codecs/amrnb/dec/src/a_refl.cpp
@@ -59,6 +59,8 @@
 /*----------------------------------------------------------------------------
 ; INCLUDES
 ----------------------------------------------------------------------------*/
+#include <log/log.h>
+
 #include "a_refl.h"
 #include "typedef.h"
 #include "cnst.h"
@@ -291,7 +293,8 @@
                 {
                     refl[i] = 0;
                 }
-                break;
+                ALOGE("b/23609206");
+                return;
             }
 
             bState[j] = extract_l(L_temp);