diff --git a/drm/mediadrm/plugins/clearkey/InitDataParser.cpp b/drm/mediadrm/plugins/clearkey/InitDataParser.cpp
index 0216b8d..6a4f8d5 100644
--- a/drm/mediadrm/plugins/clearkey/InitDataParser.cpp
+++ b/drm/mediadrm/plugins/clearkey/InitDataParser.cpp
@@ -114,7 +114,7 @@
     memcpy(&keyIdCount, &initData[readPosition], sizeof(keyIdCount));
     keyIdCount = ntohl(keyIdCount);
     readPosition += sizeof(keyIdCount);
-    if (readPosition + (keyIdCount * kKeyIdSize) !=
+    if (readPosition + ((uint64_t)keyIdCount * kKeyIdSize) !=
             initData.size() - sizeof(uint32_t)) {
         return android::ERROR_DRM_CANNOT_HANDLE;
     }
diff --git a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
index 592ec13..dcf3fa0 100644
--- a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
+++ b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
@@ -148,7 +148,10 @@
                                void           *pParam,
                                uint32_t       *pValueSize,
                                void           *pValue);
-int  Equalizer_setParameter    (EffectContext *pContext, void *pParam, void *pValue);
+int  Equalizer_setParameter    (EffectContext *pContext,
+                               void *pParam,
+                               uint32_t valueSize,
+                               void *pValue);
 int  Equalizer_getParameter    (EffectContext *pContext,
                                 void          *pParam,
                                 uint32_t      *pValueSize,
@@ -2473,12 +2476,17 @@
 // Inputs:
 //  pEqualizer    - handle to instance data
 //  pParam        - pointer to parameter
+//  valueSize     - value size
 //  pValue        - pointer to value
+
 //
 // Outputs:
 //
 //----------------------------------------------------------------------------
-int Equalizer_setParameter (EffectContext *pContext, void *pParam, void *pValue){
+int Equalizer_setParameter (EffectContext *pContext,
+                            void *pParam,
+                            uint32_t valueSize,
+                            void *pValue) {
     int status = 0;
     int32_t preset;
     int32_t band;
@@ -2490,6 +2498,10 @@
     //ALOGV("\tEqualizer_setParameter start");
     switch (param) {
     case EQ_PARAM_CUR_PRESET:
+        if (valueSize < sizeof(int16_t)) {
+          status = -EINVAL;
+          break;
+        }
         preset = (int32_t)(*(uint16_t *)pValue);
 
         //ALOGV("\tEqualizer_setParameter() EQ_PARAM_CUR_PRESET %d", preset);
@@ -2500,6 +2512,10 @@
         EqualizerSetPreset(pContext, preset);
         break;
     case EQ_PARAM_BAND_LEVEL:
+        if (valueSize < sizeof(int16_t)) {
+          status = -EINVAL;
+          break;
+        }
         band =  *pParamTemp;
         level = (int32_t)(*(int16_t *)pValue);
         //ALOGV("\tEqualizer_setParameter() EQ_PARAM_BAND_LEVEL band %d, level %d", band, level);
@@ -2515,6 +2531,10 @@
         break;
     case EQ_PARAM_PROPERTIES: {
         //ALOGV("\tEqualizer_setParameter() EQ_PARAM_PROPERTIES");
+        if (valueSize < sizeof(int16_t)) {
+          status = -EINVAL;
+          break;
+        }
         int16_t *p = (int16_t *)pValue;
         if ((int)p[0] >= EqualizerGetNumPresets()) {
             status = -EINVAL;
@@ -2523,6 +2543,13 @@
         if (p[0] >= 0) {
             EqualizerSetPreset(pContext, (int)p[0]);
         } else {
+            if (valueSize < (2 + FIVEBAND_NUMBANDS) * sizeof(int16_t)) {
+              android_errorWriteLog(0x534e4554, "37563371");
+              ALOGE("\tERROR Equalizer_setParameter() EQ_PARAM_PROPERTIES valueSize %d < %d",
+                    (int)valueSize, (int)((2 + FIVEBAND_NUMBANDS) * sizeof(int16_t)));
+              status = -EINVAL;
+              break;
+            }
             if ((int)p[1] != FIVEBAND_NUMBANDS) {
                 status = -EINVAL;
                 break;
@@ -3301,7 +3328,8 @@
 
                 *(int *)pReplyData = android::Equalizer_setParameter(pContext,
                                                                     (void *)p->data,
-                                                                     p->data + p->psize);
+                                                                    p->vsize,
+                                                                    p->data + p->psize);
             }
             if(pContext->EffectType == LVM_VOLUME){
                 //ALOGV("\tVolume_command cmdCode Case: EFFECT_CMD_SET_PARAM start");
diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp
index 2d6e776..5441714 100644
--- a/media/libstagefright/MPEG4Extractor.cpp
+++ b/media/libstagefright/MPEG4Extractor.cpp
@@ -2826,8 +2826,10 @@
                     int32_t delay, padding;
                     if (sscanf(mLastCommentData,
                                " %*x %x %x %*x", &delay, &padding) == 2) {
-                        if (mLastTrack == NULL)
+                        if (mLastTrack == NULL) {
+                            delete[] buffer;
                             return ERROR_MALFORMED;
+                        }
 
                         mLastTrack->meta->setInt32(kKeyEncoderDelay, delay);
                         mLastTrack->meta->setInt32(kKeyEncoderPadding, padding);
diff --git a/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp b/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp
index 1dd631a..411a251 100644
--- a/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp
+++ b/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp
@@ -255,13 +255,28 @@
             mSignalledError = true;
             return;
         }
+
+        // Need to check if header contains new info, e.g., width/height, etc.
+        VopHeaderInfo header_info;
+        uint8_t *bitstreamTmp = bitstream;
+        if (PVDecodeVopHeader(
+                    mHandle, &bitstreamTmp, &timestamp, &tmp,
+                    &header_info, &useExtTimestamp,
+                    outHeader->pBuffer) != PV_TRUE) {
+            ALOGE("failed to decode vop header.");
+
+            notify(OMX_EventError, OMX_ErrorUndefined, 0, NULL);
+            mSignalledError = true;
+            return;
+        }
+        if (handlePortSettingsChange()) {
+            return;
+        }
+
         // The PV decoder is lying to us, sometimes it'll claim to only have
         // consumed a subset of the buffer when it clearly consumed all of it.
         // ignore whatever it says...
-        if (PVDecodeVideoFrame(
-                    mHandle, &bitstream, &timestamp, &tmp,
-                    &useExtTimestamp,
-                    outHeader->pBuffer) != PV_TRUE) {
+        if (PVDecodeVopBody(mHandle, &tmp) != PV_TRUE) {
             ALOGE("failed to decode video frame.");
 
             notify(OMX_EventError, OMX_ErrorUndefined, 0, NULL);
diff --git a/media/libstagefright/codecs/m4v_h263/dec/src/vop.cpp b/media/libstagefright/codecs/m4v_h263/dec/src/vop.cpp
index 60c79a6..f18f789 100644
--- a/media/libstagefright/codecs/m4v_h263/dec/src/vop.cpp
+++ b/media/libstagefright/codecs/m4v_h263/dec/src/vop.cpp
@@ -15,6 +15,8 @@
  * and limitations under the License.
  * -------------------------------------------------------------------
  */
+#include "log/log.h"
+
 #include "mp4dec_lib.h"
 #include "bitstream.h"
 #include "vlc_decode.h"
@@ -1336,8 +1338,7 @@
             }
             tmpvar = BitstreamReadBits16(stream, 9);
 
-            video->displayWidth = (tmpvar + 1) << 2;
-            video->width = (video->displayWidth + 15) & -16;
+            int tmpDisplayWidth = (tmpvar + 1) << 2;
             /* marker bit */
             if (!BitstreamRead1Bits(stream))
             {
@@ -1350,14 +1351,21 @@
                 status = PV_FAIL;
                 goto return_point;
             }
-            video->displayHeight = tmpvar << 2;
-            video->height = (video->displayHeight + 15) & -16;
+            int tmpDisplayHeight = tmpvar << 2;
+            int tmpHeight = (tmpDisplayHeight + 15) & -16;
+            int tmpWidth = (tmpDisplayWidth + 15) & -16;
 
-            if (video->height * video->width > video->size)
+            if (tmpHeight * tmpWidth > video->size)
             {
+                // This is just possibly "b/37079296".
+                ALOGE("b/37079296");
                 status = PV_FAIL;
                 goto return_point;
             }
+            video->displayWidth = tmpDisplayWidth;
+            video->width = tmpWidth;
+            video->displayHeight = tmpDisplayHeight;
+            video->height = tmpHeight;
 
             video->nTotalMB = video->width / MB_SIZE * video->height / MB_SIZE;
 
diff --git a/media/libstagefright/codecs/m4v_h263/enc/src/mp4enc_api.cpp b/media/libstagefright/codecs/m4v_h263/enc/src/mp4enc_api.cpp
index c2b7c8d..7ab8f45 100644
--- a/media/libstagefright/codecs/m4v_h263/enc/src/mp4enc_api.cpp
+++ b/media/libstagefright/codecs/m4v_h263/enc/src/mp4enc_api.cpp
@@ -773,7 +773,7 @@
             || (size_t)(size + (size >> 1)) > SIZE_MAX / sizeof(PIXEL)) {
         goto CLEAN_UP;
     }
-    video->currVop->yChan = (PIXEL *)M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for currVop Y */
+    video->currVop->allChan = video->currVop->yChan = (PIXEL *)M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for currVop Y */
     if (video->currVop->yChan == NULL) goto CLEAN_UP;
     video->currVop->uChan = video->currVop->yChan + size;/* Memory for currVop U */
     video->currVop->vChan = video->currVop->uChan + (size >> 2);/* Memory for currVop V */
@@ -791,7 +791,7 @@
 
     video->prevBaseVop = (Vop *) M4VENC_MALLOC(sizeof(Vop));         /* Memory for Previous Base Vop */
     if (video->prevBaseVop == NULL) goto CLEAN_UP;
-    video->prevBaseVop->yChan = (PIXEL *) M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for prevBaseVop Y */
+    video->prevBaseVop->allChan = video->prevBaseVop->yChan = (PIXEL *) M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for prevBaseVop Y */
     if (video->prevBaseVop->yChan == NULL) goto CLEAN_UP;
     video->prevBaseVop->uChan = video->prevBaseVop->yChan + size; /* Memory for prevBaseVop U */
     video->prevBaseVop->vChan = video->prevBaseVop->uChan + (size >> 2); /* Memory for prevBaseVop V */
@@ -808,7 +808,7 @@
     {
         video->nextBaseVop = (Vop *) M4VENC_MALLOC(sizeof(Vop));         /* Memory for Next Base Vop */
         if (video->nextBaseVop == NULL) goto CLEAN_UP;
-        video->nextBaseVop->yChan = (PIXEL *) M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for nextBaseVop Y */
+        video->nextBaseVop->allChan = video->nextBaseVop->yChan = (PIXEL *) M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for nextBaseVop Y */
         if (video->nextBaseVop->yChan == NULL) goto CLEAN_UP;
         video->nextBaseVop->uChan = video->nextBaseVop->yChan + size; /* Memory for nextBaseVop U */
         video->nextBaseVop->vChan = video->nextBaseVop->uChan + (size >> 2); /* Memory for nextBaseVop V */
@@ -825,7 +825,7 @@
     {
         video->prevEnhanceVop = (Vop *) M4VENC_MALLOC(sizeof(Vop));      /* Memory for Previous Enhancement Vop */
         if (video->prevEnhanceVop == NULL) goto CLEAN_UP;
-        video->prevEnhanceVop->yChan = (PIXEL *) M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for Previous Ehancement Y */
+        video->prevEnhanceVop->allChan = video->prevEnhanceVop->yChan = (PIXEL *) M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for Previous Ehancement Y */
         if (video->prevEnhanceVop->yChan == NULL) goto CLEAN_UP;
         video->prevEnhanceVop->uChan = video->prevEnhanceVop->yChan + size; /* Memory for Previous Enhancement U */
         video->prevEnhanceVop->vChan = video->prevEnhanceVop->uChan + (size >> 2); /* Memory for Previous Enhancement V */
@@ -1196,39 +1196,35 @@
 
         if (video->currVop)
         {
-            if (video->currVop->yChan)
+            if (video->currVop->allChan)
             {
-                video->currVop->yChan -= offset;
-                M4VENC_FREE(video->currVop->yChan);
+                M4VENC_FREE(video->currVop->allChan);
             }
             M4VENC_FREE(video->currVop);
         }
 
         if (video->nextBaseVop)
         {
-            if (video->nextBaseVop->yChan)
+            if (video->nextBaseVop->allChan)
             {
-                video->nextBaseVop->yChan -= offset;
-                M4VENC_FREE(video->nextBaseVop->yChan);
+                M4VENC_FREE(video->nextBaseVop->allChan);
             }
             M4VENC_FREE(video->nextBaseVop);
         }
 
         if (video->prevBaseVop)
         {
-            if (video->prevBaseVop->yChan)
+            if (video->prevBaseVop->allChan)
             {
-                video->prevBaseVop->yChan -= offset;
-                M4VENC_FREE(video->prevBaseVop->yChan);
+                M4VENC_FREE(video->prevBaseVop->allChan);
             }
             M4VENC_FREE(video->prevBaseVop);
         }
         if (video->prevEnhanceVop)
         {
-            if (video->prevEnhanceVop->yChan)
+            if (video->prevEnhanceVop->allChan)
             {
-                video->prevEnhanceVop->yChan -= offset;
-                M4VENC_FREE(video->prevEnhanceVop->yChan);
+                M4VENC_FREE(video->prevEnhanceVop->allChan);
             }
             M4VENC_FREE(video->prevEnhanceVop);
         }
diff --git a/media/libstagefright/codecs/m4v_h263/enc/src/mp4lib_int.h b/media/libstagefright/codecs/m4v_h263/enc/src/mp4lib_int.h
index 3bc9421..b05099c 100644
--- a/media/libstagefright/codecs/m4v_h263/enc/src/mp4lib_int.h
+++ b/media/libstagefright/codecs/m4v_h263/enc/src/mp4lib_int.h
@@ -39,6 +39,7 @@
 
 typedef struct tagVOP
 {
+    PIXEL   *allChan;           /* [yuv]Chan point into this buffer */
     PIXEL   *yChan;             /* The Y component */
     PIXEL   *uChan;             /* The U component */
     PIXEL   *vChan;             /* The V component */
diff --git a/media/libstagefright/omx/GraphicBufferSource.cpp b/media/libstagefright/omx/GraphicBufferSource.cpp
index 93d6584..8b6c591 100644
--- a/media/libstagefright/omx/GraphicBufferSource.cpp
+++ b/media/libstagefright/omx/GraphicBufferSource.cpp
@@ -177,9 +177,12 @@
         mIsPersistent = true;
     }
     mConsumer->setDefaultBufferSize(bufferWidth, bufferHeight);
-    // Note that we can't create an sp<...>(this) in a ctor that will not keep a
-    // reference once the ctor ends, as that would cause the refcount of 'this'
-    // dropping to 0 at the end of the ctor.  Since all we need is a wp<...>
+}
+
+status_t GraphicBufferSource::init() {
+    // Note that we can't create an sp<...>(this) in a method that will not keep a
+    // reference once the method ends, as that may cause the refcount of 'this'
+    // dropping to 0 at the end of the method.  Since all we need is a wp<...>
     // that's what we create.
     wp<BufferQueue::ConsumerListener> listener = static_cast<BufferQueue::ConsumerListener*>(this);
     sp<IConsumerListener> proxy;
@@ -190,15 +193,14 @@
     }
 
     mInitCheck = mConsumer->consumerConnect(proxy, false);
-    if (mInitCheck != NO_ERROR) {
+    if (mInitCheck == NO_ERROR) {
+        memset(&mColorAspects, 0, sizeof(mColorAspects));
+    } else {
         ALOGE("Error connecting to BufferQueue: %s (%d)",
                 strerror(-mInitCheck), mInitCheck);
-        return;
     }
 
-    memset(&mColorAspects, 0, sizeof(mColorAspects));
-
-    CHECK(mInitCheck == NO_ERROR);
+    return mInitCheck;
 }
 
 GraphicBufferSource::~GraphicBufferSource() {
@@ -396,7 +398,7 @@
     int id = codecBuffer.mSlot;
     sp<Fence> fence = new Fence(fenceFd);
     if (mBufferSlot[id] != NULL &&
-        mBufferSlot[id]->handle == codecBuffer.mGraphicBuffer->handle) {
+            mBufferSlot[id]->handle == codecBuffer.mGraphicBuffer->handle) {
         mBufferUseCount[id]--;
 
         ALOGV("codecBufferEmptied: slot=%d, cbi=%d, useCount=%d, handle=%p",
@@ -486,6 +488,12 @@
             } else if (err != OK) {
                 ALOGW("suspend: acquireBuffer returned err=%d", err);
                 break;
+            } else if (item.mSlot < 0 ||
+                    item.mSlot >= BufferQueue::NUM_BUFFER_SLOTS) {
+                // Invalid buffer index
+                ALOGW("suspend: corrupted buffer index (%d)",
+                        item.mSlot);
+                break;
             }
 
             ++mNumBufferAcquired;
@@ -607,6 +615,10 @@
         // now what? fake end-of-stream?
         ALOGW("fillCodecBuffer_l: acquireBuffer returned err=%d", err);
         return false;
+    } else if (item.mSlot < 0 || item.mSlot >= BufferQueue::NUM_BUFFER_SLOTS) {
+        // Invalid buffer index
+        ALOGW("fillCodecBuffer_l: corrupted buffer index (%d)", item.mSlot);
+        return false;
     }
 
     mNumBufferAcquired++;
@@ -980,8 +992,14 @@
         BufferItem item;
         status_t err = mConsumer->acquireBuffer(&item, 0);
         if (err == OK) {
+            if (item.mSlot < 0 ||
+                    item.mSlot >= BufferQueue::NUM_BUFFER_SLOTS) {
+                // Invalid buffer index
+                ALOGW("onFrameAvailable: corrupted buffer index (%d)",
+                        item.mSlot);
+                return;
+            }
             mNumBufferAcquired++;
-
             // If this is the first time we're seeing this buffer, add it to our
             // slot table.
             if (item.mGraphicBuffer != NULL) {
diff --git a/media/libstagefright/omx/GraphicBufferSource.h b/media/libstagefright/omx/GraphicBufferSource.h
index aa4ceb3..b3fcd1b 100644
--- a/media/libstagefright/omx/GraphicBufferSource.h
+++ b/media/libstagefright/omx/GraphicBufferSource.h
@@ -62,11 +62,7 @@
 
     virtual ~GraphicBufferSource();
 
-    // We can't throw an exception if the constructor fails, so we just set
-    // this and require that the caller test the value.
-    status_t initCheck() const {
-        return mInitCheck;
-    }
+    status_t init();
 
     // Returns the handle to the producer side of the BufferQueue.  Buffers
     // queued on this will be received by GraphicBufferSource.
diff --git a/media/libstagefright/omx/OMXNodeInstance.cpp b/media/libstagefright/omx/OMXNodeInstance.cpp
index c3514b3..e7aaead 100644
--- a/media/libstagefright/omx/OMXNodeInstance.cpp
+++ b/media/libstagefright/omx/OMXNodeInstance.cpp
@@ -1130,7 +1130,7 @@
             usageBits,
             bufferConsumer);
 
-    if ((err = bufferSource->initCheck()) != OK) {
+    if ((err = bufferSource->init()) != OK) {
         return err;
     }
     setGraphicBufferSource(bufferSource);