diff --git a/drm/mediadrm/plugins/clearkey/hidl/DrmPlugin.cpp b/drm/mediadrm/plugins/clearkey/hidl/DrmPlugin.cpp
index 6f69110d50..0e5169c9e0 100644
--- a/drm/mediadrm/plugins/clearkey/hidl/DrmPlugin.cpp
+++ b/drm/mediadrm/plugins/clearkey/hidl/DrmPlugin.cpp
@@ -623,6 +623,7 @@ Return<void> DrmPlugin::getSecurityLevel(const hidl_vec<uint8_t>& sessionId,
         return Void();
     }
 
+    Mutex::Autolock lock(mSecurityLevelLock);
     std::map<std::vector<uint8_t>, SecurityLevel>::iterator itr =
             mSecurityLevel.find(sid);
     if (itr == mSecurityLevel.end()) {
@@ -653,6 +654,7 @@ Return<Status> DrmPlugin::setSecurityLevel(const hidl_vec<uint8_t>& sessionId,
         return Status::ERROR_DRM_SESSION_NOT_OPENED;
     }
 
+    Mutex::Autolock lock(mSecurityLevelLock);
     std::map<std::vector<uint8_t>, SecurityLevel>::iterator itr =
             mSecurityLevel.find(sid);
     if (itr != mSecurityLevel.end()) {
diff --git a/drm/mediadrm/plugins/clearkey/hidl/include/DrmPlugin.h b/drm/mediadrm/plugins/clearkey/hidl/include/DrmPlugin.h
index 894985bd1b..e957cee194 100644
--- a/drm/mediadrm/plugins/clearkey/hidl/include/DrmPlugin.h
+++ b/drm/mediadrm/plugins/clearkey/hidl/include/DrmPlugin.h
@@ -398,7 +398,8 @@ struct DrmPlugin : public IDrmPlugin {
     std::map<std::string, std::string> mStringProperties;
     std::map<std::string, std::vector<uint8_t> > mByteArrayProperties;
     std::map<std::string, std::vector<uint8_t> > mReleaseKeysMap;
-    std::map<std::vector<uint8_t>, SecurityLevel> mSecurityLevel;
+    std::map<std::vector<uint8_t>, SecurityLevel> mSecurityLevel
+        GUARDED_BY(mSecurityLevelLock);
     sp<IDrmPluginListener> mListener;
     sp<IDrmPluginListener_V1_2> mListenerV1_2;
     SessionLibrary *mSessionLibrary;
@@ -419,6 +420,7 @@ struct DrmPlugin : public IDrmPlugin {
     DeviceFiles mFileHandle GUARDED_BY(mFileHandleLock);
     Mutex mFileHandleLock;
     Mutex mSecureStopLock;
+    Mutex mSecurityLevelLock;
 
     CLEARKEY_DISALLOW_COPY_AND_ASSIGN_AND_NEW(DrmPlugin);
 };
diff --git a/media/codec2/components/mp3/C2SoftMp3Dec.cpp b/media/codec2/components/mp3/C2SoftMp3Dec.cpp
index 5ba7e3d78f..3984f62278 100644
--- a/media/codec2/components/mp3/C2SoftMp3Dec.cpp
+++ b/media/codec2/components/mp3/C2SoftMp3Dec.cpp
@@ -405,7 +405,7 @@ void C2SoftMP3::process(
         mConfig->inputBufferCurrentLength = (inSize - inPos);
         mConfig->inputBufferMaxLength = 0;
         mConfig->inputBufferUsedLength = 0;
-        mConfig->outputFrameSize = (calOutSize - outSize);
+        mConfig->outputFrameSize = (calOutSize - outSize) / sizeof(int16_t);
         mConfig->pOutputBuffer = reinterpret_cast<int16_t *> (wView.data() + outSize);
 
         ERROR_CODE decoderErr;
diff --git a/media/codec2/vndk/C2AllocatorIon.cpp b/media/codec2/vndk/C2AllocatorIon.cpp
index 6d27a0212d..9410ce93fc 100644
--- a/media/codec2/vndk/C2AllocatorIon.cpp
+++ b/media/codec2/vndk/C2AllocatorIon.cpp
@@ -202,6 +202,7 @@ class C2AllocationIon::Impl {
 
         c2_status_t err = mapInternal(mapSize, mapOffset, alignmentBytes, prot, flags, &(map.addr), addr);
         if (map.addr) {
+            std::lock_guard<std::mutex> guard(mMutexMappings);
             mMappings.push_back(map);
         }
         return err;
@@ -212,22 +213,26 @@ class C2AllocationIon::Impl {
             ALOGD("tried to unmap unmapped buffer");
             return C2_NOT_FOUND;
         }
-        for (auto it = mMappings.begin(); it != mMappings.end(); ++it) {
-            if (addr != (uint8_t *)it->addr + it->alignmentBytes ||
-                    size + it->alignmentBytes != it->size) {
-                continue;
+        { // Scope for the lock_guard of mMutexMappings.
+            std::lock_guard<std::mutex> guard(mMutexMappings);
+            for (auto it = mMappings.begin(); it != mMappings.end(); ++it) {
+                if (addr != (uint8_t *)it->addr + it->alignmentBytes ||
+                        size + it->alignmentBytes != it->size) {
+                    continue;
+                }
+                int err = munmap(it->addr, it->size);
+                if (err != 0) {
+                    ALOGD("munmap failed");
+                    return c2_map_errno<EINVAL>(errno);
+                }
+                if (fence) {
+                    *fence = C2Fence(); // not using fences
+                }
+                (void)mMappings.erase(it);
+                ALOGV("successfully unmapped: addr=%p size=%zu fd=%d", addr, size,
+                          mHandle.bufferFd());
+                return C2_OK;
             }
-            int err = munmap(it->addr, it->size);
-            if (err != 0) {
-                ALOGD("munmap failed");
-                return c2_map_errno<EINVAL>(errno);
-            }
-            if (fence) {
-                *fence = C2Fence(); // not using fences
-            }
-            (void)mMappings.erase(it);
-            ALOGV("successfully unmapped: addr=%p size=%zu fd=%d", addr, size, mHandle.bufferFd());
-            return C2_OK;
         }
         ALOGD("unmap failed to find specified map");
         return C2_BAD_VALUE;
@@ -236,6 +241,7 @@ class C2AllocationIon::Impl {
     virtual ~Impl() {
         if (!mMappings.empty()) {
             ALOGD("Dangling mappings!");
+            std::lock_guard<std::mutex> guard(mMutexMappings);
             for (const Mapping &map : mMappings) {
                 (void)munmap(map.addr, map.size);
             }
@@ -315,6 +321,7 @@ class C2AllocationIon::Impl {
         size_t size;
     };
     std::list<Mapping> mMappings;
+    std::mutex mMutexMappings;
 };
 
 class C2AllocationIon::ImplV2 : public C2AllocationIon::Impl {
diff --git a/media/extractors/mp4/MPEG4Extractor.cpp b/media/extractors/mp4/MPEG4Extractor.cpp
old mode 100755
new mode 100644
index a976a2b12a..78e3f00b44
--- a/media/extractors/mp4/MPEG4Extractor.cpp
+++ b/media/extractors/mp4/MPEG4Extractor.cpp
@@ -146,6 +146,7 @@ static const size_t  kMaxPcmFrameSize = 8192;
 
     MediaBufferHelper *mBuffer;
 
+    size_t mSrcBufferSize;
     uint8_t *mSrcBuffer;
 
     bool mIsHeif;
@@ -4572,7 +4573,7 @@ status_t MPEG4Extractor::updateAudioTrackInfoFromESDS_MPEG4Audio(
         if (len2 == 0) {
             return ERROR_MALFORMED;
         }
-        if (offset >= csd_size || csd[offset] != 0x01) {
+        if (offset + len1 > csd_size || csd[offset] != 0x01) {
             return ERROR_MALFORMED;
         }
         // formerly kKeyVorbisInfo
@@ -4882,6 +4883,7 @@ MPEG4Source::MPEG4Source(
       mNALLengthSize(0),
       mStarted(false),
       mBuffer(NULL),
+      mSrcBufferSize(0),
       mSrcBuffer(NULL),
       mIsHeif(itemTable != NULL),
       mItemTable(itemTable),
@@ -5060,6 +5062,7 @@ media_status_t MPEG4Source::start() {
         // file probably specified a bad max size
         return AMEDIA_ERROR_MALFORMED;
     }
+    mSrcBufferSize = max_size;
 
     mStarted = true;
 
@@ -5076,6 +5079,7 @@ media_status_t MPEG4Source::stop() {
         mBuffer = NULL;
     }
 
+    mSrcBufferSize = 0;
     delete[] mSrcBuffer;
     mSrcBuffer = NULL;
 
@@ -6242,13 +6246,20 @@ media_status_t MPEG4Source::read(
         // Whole NAL units are returned but each fragment is prefixed by
         // the start code (0x00 00 00 01).
         ssize_t num_bytes_read = 0;
-        num_bytes_read = mDataSource->readAt(offset, mSrcBuffer, size);
+        bool mSrcBufferFitsDataToRead = size <= mSrcBufferSize;
+        if (mSrcBufferFitsDataToRead) {
+          num_bytes_read = mDataSource->readAt(offset, mSrcBuffer, size);
+        } else {
+          // We are trying to read a sample larger than the expected max sample size.
+          // Fall through and let the failure be handled by the following if.
+          android_errorWriteLog(0x534e4554, "188893559");
+        }
 
         if (num_bytes_read < (ssize_t)size) {
             mBuffer->release();
             mBuffer = NULL;
 
-            return AMEDIA_ERROR_IO;
+            return mSrcBufferFitsDataToRead ? AMEDIA_ERROR_IO : AMEDIA_ERROR_MALFORMED;
         }
 
         uint8_t *dstData = (uint8_t *)mBuffer->data();
diff --git a/media/libheif/HeifDecoderImpl.cpp b/media/libheif/HeifDecoderImpl.cpp
index 273d91ccde..4a96e7b093 100644
--- a/media/libheif/HeifDecoderImpl.cpp
+++ b/media/libheif/HeifDecoderImpl.cpp
@@ -25,6 +25,7 @@
 #include <binder/IMemory.h>
 #include <binder/MemoryDealer.h>
 #include <drm/drm_framework_common.h>
+#include <log/log.h>
 #include <media/mediametadataretriever.h>
 #include <media/stagefright/MediaSource.h>
 #include <media/stagefright/foundation/ADebug.h>
@@ -421,7 +422,13 @@ bool HeifDecoderImpl::reinit(HeifFrameInfo* frameInfo) {
 
         initFrameInfo(&mSequenceInfo, videoFrame);
 
-        mSequenceLength = atoi(mRetriever->extractMetadata(METADATA_KEY_VIDEO_FRAME_COUNT));
+        const char* frameCount = mRetriever->extractMetadata(METADATA_KEY_VIDEO_FRAME_COUNT);
+        if (frameCount == nullptr) {
+            android_errorWriteWithInfoLog(0x534e4554, "215002587", -1, NULL, 0);
+            ALOGD("No valid sequence information in metadata");
+            return false;
+        }
+        mSequenceLength = atoi(frameCount);
 
         if (defaultInfo == nullptr) {
             defaultInfo = &mSequenceInfo;
diff --git a/media/libmediametrics/include/media/MediaMetricsItem.h b/media/libmediametrics/include/media/MediaMetricsItem.h
index 303343f91c..7ce75ed4f7 100644
--- a/media/libmediametrics/include/media/MediaMetricsItem.h
+++ b/media/libmediametrics/include/media/MediaMetricsItem.h
@@ -27,6 +27,7 @@
 #include <variant>
 
 #include <binder/Parcel.h>
+#include <log/log.h>
 #include <utils/Errors.h>
 #include <utils/Timers.h> // nsecs_t
 
@@ -466,16 +467,16 @@ class BaseItem {
     template <> // static
     status_t extract(std::string *val, const char **bufferpptr, const char *bufferptrmax) {
         const char *ptr = *bufferpptr;
-        while (*ptr != 0) {
+        do {
             if (ptr >= bufferptrmax) {
                 ALOGE("%s: buffer exceeded", __func__);
+                android_errorWriteLog(0x534e4554, "204445255");
                 return BAD_VALUE;
             }
-            ++ptr;
-        }
-        const size_t size = (ptr - *bufferpptr) + 1;
+        } while (*ptr++ != 0);
+        // ptr is terminator+1, == bufferptrmax if we finished entire buffer
         *val = *bufferpptr;
-        *bufferpptr += size;
+        *bufferpptr = ptr;
         return NO_ERROR;
     }
     template <> // static
diff --git a/media/libstagefright/MediaCodec.cpp b/media/libstagefright/MediaCodec.cpp
index 553f59a41f..8283187c80 100644
--- a/media/libstagefright/MediaCodec.cpp
+++ b/media/libstagefright/MediaCodec.cpp
@@ -720,6 +720,8 @@ MediaCodec::MediaCodec(
         };
     }
 
+    // we want an empty metrics record for any early getMetrics() call
+    // this should be the *only* initMediametrics() call that's not on the Looper thread
     initMediametrics();
 }
 
@@ -728,8 +730,17 @@ MediaCodec::~MediaCodec() {
     mResourceManagerProxy->removeClient();
 
     flushMediametrics();
+
+    // clean any saved metrics info we stored as part of configure()
+    if (mConfigureMsg != nullptr) {
+        mediametrics_handle_t metricsHandle;
+        if (mConfigureMsg->findInt64("metrics", &metricsHandle)) {
+            mediametrics_delete(metricsHandle);
+        }
+    }
 }
 
+// except for in constructor, called from the looper thread (and therefore mutexed)
 void MediaCodec::initMediametrics() {
     if (mMetricsHandle == 0) {
         mMetricsHandle = mediametrics_create(kCodecKeyName);
@@ -759,11 +770,12 @@ void MediaCodec::initMediametrics() {
 }
 
 void MediaCodec::updateMediametrics() {
-    ALOGV("MediaCodec::updateMediametrics");
     if (mMetricsHandle == 0) {
         return;
     }
 
+    Mutex::Autolock _lock(mMetricsLock);
+
     if (mLatencyHist.getCount() != 0 ) {
         mediametrics_setInt64(mMetricsHandle, kCodecLatencyMax, mLatencyHist.getMax());
         mediametrics_setInt64(mMetricsHandle, kCodecLatencyMin, mLatencyHist.getMin());
@@ -798,6 +810,8 @@ void MediaCodec::updateMediametrics() {
 #endif
 }
 
+// called to update info being passed back via getMetrics(), which is a
+// unique copy for that call, no concurrent access worries.
 void MediaCodec::updateEphemeralMediametrics(mediametrics_handle_t item) {
     ALOGD("MediaCodec::updateEphemeralMediametrics()");
 
@@ -837,7 +851,13 @@ void MediaCodec::updateEphemeralMediametrics(mediametrics_handle_t item) {
 }
 
 void MediaCodec::flushMediametrics() {
+    ALOGD("flushMediametrics");
+
+    // update does its own mutex locking
     updateMediametrics();
+
+    // ensure mutex while we do our own work
+    Mutex::Autolock _lock(mMetricsLock);
     if (mMetricsHandle != 0) {
         if (mediametrics_count(mMetricsHandle) > 0) {
             mediametrics_selfRecord(mMetricsHandle);
@@ -1220,6 +1240,8 @@ status_t MediaCodec::init(const AString &name) {
     }
     msg->setString("name", name);
 
+    // initial naming setup covers the period before the first call to ::configure().
+    // after that, we manage this through ::configure() and the setup message.
     if (mMetricsHandle != 0) {
         mediametrics_setCString(mMetricsHandle, kCodecCodec, name.c_str());
         mediametrics_setCString(mMetricsHandle, kCodecMode,
@@ -1279,18 +1301,24 @@ status_t MediaCodec::configure(
         const sp<IDescrambler> &descrambler,
         uint32_t flags) {
     sp<AMessage> msg = new AMessage(kWhatConfigure, this);
+    mediametrics_handle_t nextMetricsHandle = mediametrics_create(kCodecKeyName);
 
-    if (mMetricsHandle != 0) {
+    if (nextMetricsHandle != 0) {
         int32_t profile = 0;
         if (format->findInt32("profile", &profile)) {
-            mediametrics_setInt32(mMetricsHandle, kCodecProfile, profile);
+            mediametrics_setInt32(nextMetricsHandle, kCodecProfile, profile);
         }
         int32_t level = 0;
         if (format->findInt32("level", &level)) {
-            mediametrics_setInt32(mMetricsHandle, kCodecLevel, level);
+            mediametrics_setInt32(nextMetricsHandle, kCodecLevel, level);
         }
-        mediametrics_setInt32(mMetricsHandle, kCodecEncoder,
+        mediametrics_setInt32(nextMetricsHandle, kCodecEncoder,
                               (flags & CONFIGURE_FLAG_ENCODE) ? 1 : 0);
+
+        // moved here from ::init()
+        mediametrics_setCString(nextMetricsHandle, kCodecCodec, mInitName.c_str());
+        mediametrics_setCString(nextMetricsHandle, kCodecMode,
+                                mIsVideo ? kCodecModeVideo : kCodecModeAudio);
     }
 
     if (mIsVideo) {
@@ -1300,17 +1328,17 @@ status_t MediaCodec::configure(
             mRotationDegrees = 0;
         }
 
-        if (mMetricsHandle != 0) {
-            mediametrics_setInt32(mMetricsHandle, kCodecWidth, mVideoWidth);
-            mediametrics_setInt32(mMetricsHandle, kCodecHeight, mVideoHeight);
-            mediametrics_setInt32(mMetricsHandle, kCodecRotation, mRotationDegrees);
+        if (nextMetricsHandle != 0) {
+            mediametrics_setInt32(nextMetricsHandle, kCodecWidth, mVideoWidth);
+            mediametrics_setInt32(nextMetricsHandle, kCodecHeight, mVideoHeight);
+            mediametrics_setInt32(nextMetricsHandle, kCodecRotation, mRotationDegrees);
             int32_t maxWidth = 0;
             if (format->findInt32("max-width", &maxWidth)) {
-                mediametrics_setInt32(mMetricsHandle, kCodecMaxWidth, maxWidth);
+                mediametrics_setInt32(nextMetricsHandle, kCodecMaxWidth, maxWidth);
             }
             int32_t maxHeight = 0;
             if (format->findInt32("max-height", &maxHeight)) {
-                mediametrics_setInt32(mMetricsHandle, kCodecMaxHeight, maxHeight);
+                mediametrics_setInt32(nextMetricsHandle, kCodecMaxHeight, maxHeight);
             }
         }
 
@@ -1334,13 +1362,23 @@ status_t MediaCodec::configure(
         } else {
             msg->setPointer("descrambler", descrambler.get());
         }
-        if (mMetricsHandle != 0) {
-            mediametrics_setInt32(mMetricsHandle, kCodecCrypto, 1);
+        if (nextMetricsHandle != 0) {
+            mediametrics_setInt32(nextMetricsHandle, kCodecCrypto, 1);
         }
     } else if (mFlags & kFlagIsSecure) {
         ALOGW("Crypto or descrambler should be given for secure codec");
     }
 
+    if (mConfigureMsg != nullptr) {
+        // if re-configuring, we have one of these from before.
+        // Recover the space before we discard the old mConfigureMsg
+        mediametrics_handle_t metricsHandle;
+        if (mConfigureMsg->findInt64("metrics", &metricsHandle)) {
+            mediametrics_delete(metricsHandle);
+        }
+    }
+    msg->setInt64("metrics", nextMetricsHandle);
+
     // save msg for reset
     mConfigureMsg = msg;
 
@@ -1851,24 +1889,42 @@ status_t MediaCodec::getCodecInfo(sp<MediaCodecInfo> *codecInfo) const {
     return OK;
 }
 
+// this is the user-callable entry point
 status_t MediaCodec::getMetrics(mediametrics_handle_t &reply) {
 
     reply = 0;
 
-    // shouldn't happen, but be safe
-    if (mMetricsHandle == 0) {
-        return UNKNOWN_ERROR;
+    sp<AMessage> msg = new AMessage(kWhatGetMetrics, this);
+    sp<AMessage> response;
+    status_t err;
+    if ((err = PostAndAwaitResponse(msg, &response)) != OK) {
+        return err;
     }
 
-    // update any in-flight data that's not carried within the record
-    updateMediametrics();
+    CHECK(response->findInt64("metrics", &reply));
 
-    // send it back to the caller.
-    reply = mediametrics_dup(mMetricsHandle);
+    return OK;
+}
 
-    updateEphemeralMediametrics(reply);
+// runs on the looper thread (for mutex purposes)
+void MediaCodec::onGetMetrics(const sp<AMessage>& msg) {
 
-    return OK;
+    mediametrics_handle_t results = 0;
+
+    sp<AReplyToken> replyID;
+    CHECK(msg->senderAwaitsResponse(&replyID));
+
+    if (mMetricsHandle != 0) {
+        updateMediametrics();
+        results = mediametrics_dup(mMetricsHandle);
+        updateEphemeralMediametrics(results);
+    } else {
+        results = mediametrics_dup(mMetricsHandle);
+    }
+
+    sp<AMessage> response = new AMessage;
+    response->setInt64("metrics", results);
+    response->postReply(replyID);
 }
 
 status_t MediaCodec::getInputBuffers(Vector<sp<MediaCodecBuffer> > *buffers) const {
@@ -2813,6 +2869,13 @@ void MediaCodec::onMessageReceived(const sp<AMessage> &msg) {
             break;
         }
 
+        case kWhatGetMetrics:
+        {
+            onGetMetrics(msg);
+            break;
+        }
+
+
         case kWhatConfigure:
         {
             if (mState != INITIALIZED) {
@@ -2833,6 +2896,18 @@ void MediaCodec::onMessageReceived(const sp<AMessage> &msg) {
             sp<AMessage> format;
             CHECK(msg->findMessage("format", &format));
 
+            // start with a copy of the passed metrics info for use in this run
+            mediametrics_handle_t handle;
+            CHECK(msg->findInt64("metrics", &handle));
+            if (handle != 0) {
+                if (mMetricsHandle != 0) {
+                    flushMediametrics();
+                }
+                mMetricsHandle = mediametrics_dup(handle);
+                // and set some additional metrics values
+                initMediametrics();
+            }
+
             int32_t push;
             if (msg->findInt32("push-blank-buffers-on-shutdown", &push) && push != 0) {
                 mFlags |= kFlagPushBlankBuffersOnShutdown;
diff --git a/media/libstagefright/NuMediaExtractor.cpp b/media/libstagefright/NuMediaExtractor.cpp
index c6385079dd..7c4855ba35 100644
--- a/media/libstagefright/NuMediaExtractor.cpp
+++ b/media/libstagefright/NuMediaExtractor.cpp
@@ -627,9 +627,11 @@ status_t NuMediaExtractor::appendVorbisNumPageSamples(
         numPageSamples = -1;
     }
 
+    // insert, including accounting for the space used.
     memcpy((uint8_t *)buffer->data() + mbuf->range_length(),
            &numPageSamples,
            sizeof(numPageSamples));
+    buffer->setRange(buffer->offset(), buffer->size() + sizeof(numPageSamples));
 
     uint32_t type;
     const void *data;
@@ -678,6 +680,8 @@ status_t NuMediaExtractor::readSampleData(const sp<ABuffer> &buffer) {
 
     ssize_t minIndex = fetchAllTrackSamples();
 
+    buffer->setRange(0, 0);     // start with an empty buffer
+
     if (minIndex < 0) {
         return ERROR_END_OF_STREAM;
     }
@@ -693,25 +697,25 @@ status_t NuMediaExtractor::readSampleData(const sp<ABuffer> &buffer) {
         sampleSize += sizeof(int32_t);
     }
 
+    // capacity() is ok since we cleared out the buffer
     if (buffer->capacity() < sampleSize) {
         return -ENOMEM;
     }
 
+    const size_t srclen = it->mBuffer->range_length();
     const uint8_t *src =
         (const uint8_t *)it->mBuffer->data()
             + it->mBuffer->range_offset();
 
-    memcpy((uint8_t *)buffer->data(), src, it->mBuffer->range_length());
+    memcpy((uint8_t *)buffer->data(), src, srclen);
+    buffer->setRange(0, srclen);
 
     status_t err = OK;
     if (info->mTrackFlags & kIsVorbis) {
+        // adjusts range when it inserts the extra bits
         err = appendVorbisNumPageSamples(it->mBuffer, buffer);
     }
 
-    if (err == OK) {
-        buffer->setRange(0, sampleSize);
-    }
-
     return err;
 }
 
diff --git a/media/libstagefright/SimpleDecodingSource.cpp b/media/libstagefright/SimpleDecodingSource.cpp
index 771dfeabf5..55aa86b8cb 100644
--- a/media/libstagefright/SimpleDecodingSource.cpp
+++ b/media/libstagefright/SimpleDecodingSource.cpp
@@ -318,18 +318,23 @@ status_t SimpleDecodingSource::doRead(
                 }
                 size_t cpLen = min(in_buf->range_length(), in_buffer->capacity());
                 memcpy(in_buffer->base(), (uint8_t *)in_buf->data() + in_buf->range_offset(),
-                        cpLen );
+                        cpLen);
 
                 if (mIsVorbis) {
                     int32_t numPageSamples;
                     if (!in_buf->meta_data().findInt32(kKeyValidSamples, &numPageSamples)) {
                         numPageSamples = -1;
                     }
-                    memcpy(in_buffer->base() + cpLen, &numPageSamples, sizeof(numPageSamples));
+                    if (cpLen + sizeof(numPageSamples) <= in_buffer->capacity()) {
+                        memcpy(in_buffer->base() + cpLen, &numPageSamples, sizeof(numPageSamples));
+                        cpLen += sizeof(numPageSamples);
+                    } else {
+                        ALOGW("Didn't have enough space to copy kKeyValidSamples");
+                    }
                 }
 
                 res = mCodec->queueInputBuffer(
-                        in_ix, 0 /* offset */, in_buf->range_length() + (mIsVorbis ? 4 : 0),
+                        in_ix, 0 /* offset */, cpLen,
                         timestampUs, 0 /* flags */);
                 if (res != OK) {
                     ALOGI("[%s] failed to queue input buffer #%zu", mComponentName.c_str(), in_ix);
diff --git a/media/libstagefright/include/media/stagefright/MediaCodec.h b/media/libstagefright/include/media/stagefright/MediaCodec.h
index 7614ba5e6b..24f148e717 100644
--- a/media/libstagefright/include/media/stagefright/MediaCodec.h
+++ b/media/libstagefright/include/media/stagefright/MediaCodec.h
@@ -328,6 +328,7 @@ struct MediaCodec : public AHandler {
         kWhatSetNotification                = 'setN',
         kWhatDrmReleaseCrypto               = 'rDrm',
         kWhatCheckBatteryStats              = 'chkB',
+        kWhatGetMetrics                     = 'getM',
     };
 
     enum {
@@ -373,6 +374,7 @@ struct MediaCodec : public AHandler {
     sp<Surface> mSurface;
     SoftwareRenderer *mSoftRenderer;
 
+    Mutex mMetricsLock;
     mediametrics_handle_t mMetricsHandle = 0;
     nsecs_t mLifetimeStartNs = 0;
     void initMediametrics();
@@ -380,6 +382,8 @@ struct MediaCodec : public AHandler {
     void flushMediametrics();
     void updateEphemeralMediametrics(mediametrics_handle_t item);
     void updateLowLatency(const sp<AMessage> &msg);
+    void onGetMetrics(const sp<AMessage>& msg);
+
 
     sp<AMessage> mOutputFormat;
     sp<AMessage> mInputFormat;
diff --git a/media/libstagefright/timedtext/TextDescriptions.cpp b/media/libstagefright/timedtext/TextDescriptions.cpp
index 2c2d11d45b..3fec9edf65 100644
--- a/media/libstagefright/timedtext/TextDescriptions.cpp
+++ b/media/libstagefright/timedtext/TextDescriptions.cpp
@@ -466,6 +466,10 @@ status_t TextDescriptions::extract3GPPGlobalDescriptions(
 
                 if (subChunkType == FOURCC('f', 't', 'a', 'b'))
                 {
+                    if(subChunkSize < 8) {
+                        return OK;
+                    }
+
                     tmpData += 8;
                     size_t subChunkRemaining = subChunkSize - 8;
 
diff --git a/media/mtp/MtpProperty.h b/media/mtp/MtpProperty.h
index bfd5f7f59a..1eb8874af1 100644
--- a/media/mtp/MtpProperty.h
+++ b/media/mtp/MtpProperty.h
@@ -26,6 +26,9 @@ namespace android {
 class MtpDataPacket;
 
 struct MtpPropertyValue {
+    // pointer str initialized to NULL so that free operation
+    // is not called for pre-assigned value
+    MtpPropertyValue() : str (NULL) {}
     union {
         int8_t          i8;
         uint8_t         u8;
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 4431486a0a..96ab1f59e2 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -8925,6 +8925,12 @@ status_t AudioFlinger::MmapThread::start(const AudioClient& client,
     if (isOutput()) {
         ret = AudioSystem::startOutput(portId);
     } else {
+        {
+            // Add the track record before starting input so that the silent status for the
+            // client can be cached.
+            Mutex::Autolock _l(mLock);
+            setClientSilencedState_l(portId, false /*silenced*/);
+        }
         ret = AudioSystem::startInput(portId);
     }
 
@@ -8943,6 +8949,7 @@ status_t AudioFlinger::MmapThread::start(const AudioClient& client,
         } else {
             mHalStream->stop();
         }
+        eraseClientSilencedState_l(portId);
         return PERMISSION_DENIED;
     }
 
@@ -8951,6 +8958,9 @@ status_t AudioFlinger::MmapThread::start(const AudioClient& client,
                                         mChannelMask, mSessionId, isOutput(), client.clientUid,
                                         client.clientPid, IPCThreadState::self()->getCallingPid(),
                                         portId);
+    if (!isOutput()) {
+        track->setSilenced_l(isClientSilenced_l(portId));
+    }
 
     if (isOutput()) {
         // force volume update when a new track is added
@@ -9007,6 +9017,7 @@ status_t AudioFlinger::MmapThread::stop(audio_port_handle_t handle)
     }
 
     mActiveTracks.remove(track);
+    eraseClientSilencedState_l(track->portId());
 
     mLock.unlock();
     if (isOutput()) {
@@ -9786,6 +9797,7 @@ void AudioFlinger::MmapCaptureThread::setRecordSilenced(audio_port_handle_t port
             broadcast_l();
         }
     }
+    setClientSilencedIfExists_l(portId, silenced);
 }
 
 void AudioFlinger::MmapCaptureThread::toAudioPortConfig(struct audio_port_config *config)
diff --git a/services/audioflinger/Threads.h b/services/audioflinger/Threads.h
index b8356d3a23..21ab59353d 100644
--- a/services/audioflinger/Threads.h
+++ b/services/audioflinger/Threads.h
@@ -1847,6 +1847,26 @@ class MmapThread : public ThreadBase
     virtual     void        setRecordSilenced(audio_port_handle_t portId __unused,
                                               bool silenced __unused) {}
 
+                void        setClientSilencedState_l(audio_port_handle_t portId, bool silenced) {
+                                mClientSilencedStates[portId] = silenced;
+                            }
+
+                size_t      eraseClientSilencedState_l(audio_port_handle_t portId) {
+                                return mClientSilencedStates.erase(portId);
+                            }
+
+                bool        isClientSilenced_l(audio_port_handle_t portId) const {
+                                const auto it = mClientSilencedStates.find(portId);
+                                return it != mClientSilencedStates.end() ? it->second : false;
+                            }
+
+                void        setClientSilencedIfExists_l(audio_port_handle_t portId, bool silenced) {
+                                const auto it = mClientSilencedStates.find(portId);
+                                if (it != mClientSilencedStates.end()) {
+                                    it->second = silenced;
+                                }
+                            }
+
  protected:
                 void        dumpInternals_l(int fd, const Vector<String16>& args) override;
                 void        dumpTracks_l(int fd, const Vector<String16>& args) override;
@@ -1866,6 +1886,7 @@ class MmapThread : public ThreadBase
                 AudioHwDevice* const    mAudioHwDev;
                 ActiveTracks<MmapTrack> mActiveTracks;
                 float                   mHalVolFloat;
+                std::map<audio_port_handle_t, bool> mClientSilencedStates;
 
                 int32_t                 mNoCallbackWarningCount;
      static     constexpr int32_t       kMaxNoCallbackWarnings = 5;