diff --git a/media/libstagefright/codecs/avcenc/SoftAVCEnc.cpp b/media/libstagefright/codecs/avcenc/SoftAVCEnc.cpp
index 358c743..32fdbd3 100644
--- a/media/libstagefright/codecs/avcenc/SoftAVCEnc.cpp
+++ b/media/libstagefright/codecs/avcenc/SoftAVCEnc.cpp
@@ -1170,6 +1170,12 @@
     ps_inp_raw_buf->e_color_fmt = mIvVideoColorFormat;
     source = NULL;
     if ((inputBufferHeader != NULL) && inputBufferHeader->nFilledLen) {
+        OMX_ERRORTYPE error = validateInputBuffer(inputBufferHeader);
+        if (error != OMX_ErrorNone) {
+            ALOGE("b/69065651");
+            android_errorWriteLog(0x534e4554, "69065651");
+            return error;
+        }
         source = inputBufferHeader->pBuffer + inputBufferHeader->nOffset;
 
         if (mInputDataIsMeta) {
diff --git a/media/libstagefright/codecs/m4v_h263/enc/SoftMPEG4Encoder.cpp b/media/libstagefright/codecs/m4v_h263/enc/SoftMPEG4Encoder.cpp
index 7b90a01..f6a7b0e 100644
--- a/media/libstagefright/codecs/m4v_h263/enc/SoftMPEG4Encoder.cpp
+++ b/media/libstagefright/codecs/m4v_h263/enc/SoftMPEG4Encoder.cpp
@@ -434,6 +434,14 @@
         }
 
         if (inHeader->nFilledLen > 0) {
+            OMX_ERRORTYPE error = validateInputBuffer(inHeader);
+            if (error != OMX_ErrorNone) {
+                ALOGE("b/69065651");
+                android_errorWriteLog(0x534e4554, "69065651");
+                mSignalledError = true;
+                notify(OMX_EventError, error, 0, 0);
+                return;
+            }
             const uint8_t *inputData = NULL;
             if (mInputDataIsMeta) {
                 inputData =
diff --git a/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp b/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp
index a5666da..f6257b1 100644
--- a/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp
+++ b/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp
@@ -653,6 +653,13 @@
             return;
         }
 
+        OMX_ERRORTYPE error = validateInputBuffer(inputBufferHeader);
+        if (error != OMX_ErrorNone) {
+            ALOGE("b/27569635");
+            android_errorWriteLog(0x534e4554, "27569635");
+            notify(OMX_EventError, error, 0, 0);
+            return;
+        }
         const uint8_t *source =
             inputBufferHeader->pBuffer + inputBufferHeader->nOffset;
 
@@ -668,14 +675,6 @@
                 return;
             }
         } else {
-            if (inputBufferHeader->nFilledLen < frameSize) {
-                android_errorWriteLog(0x534e4554, "27569635");
-                notify(OMX_EventError, OMX_ErrorUndefined, 0, 0);
-                return;
-            } else if (inputBufferHeader->nFilledLen > frameSize) {
-                ALOGW("Input buffer contains too many pixels");
-            }
-
             if (mColorFormat == OMX_COLOR_FormatYUV420SemiPlanar) {
                 ConvertYUV420SemiPlanarToYUV420Planar(
                         source, mConversionBuffer, mWidth, mHeight);
diff --git a/media/libstagefright/omx/SoftVideoEncoderOMXComponent.cpp b/media/libstagefright/omx/SoftVideoEncoderOMXComponent.cpp
index f33bdc0..6e563b7 100644
--- a/media/libstagefright/omx/SoftVideoEncoderOMXComponent.cpp
+++ b/media/libstagefright/omx/SoftVideoEncoderOMXComponent.cpp
@@ -664,4 +664,17 @@
     return SimpleSoftOMXComponent::getExtensionIndex(name, index);
 }
 
+OMX_ERRORTYPE SoftVideoEncoderOMXComponent::validateInputBuffer(
+        const OMX_BUFFERHEADERTYPE *inputBufferHeader) {
+    size_t frameSize = mInputDataIsMeta ?
+            max(sizeof(VideoNativeMetadata), sizeof(VideoGrallocMetadata))
+            : mWidth * mHeight * 3 / 2;
+    if (inputBufferHeader->nFilledLen < frameSize) {
+        return OMX_ErrorUndefined;
+    } else if (inputBufferHeader->nFilledLen > frameSize) {
+        ALOGW("Input buffer contains more data than expected.");
+    }
+    return OMX_ErrorNone;
+}
+
 }  // namespace android
diff --git a/media/libstagefright/omx/include/media/stagefright/omx/SoftVideoEncoderOMXComponent.h b/media/libstagefright/omx/include/media/stagefright/omx/SoftVideoEncoderOMXComponent.h
index db5496a..2d6f31b 100644
--- a/media/libstagefright/omx/include/media/stagefright/omx/SoftVideoEncoderOMXComponent.h
+++ b/media/libstagefright/omx/include/media/stagefright/omx/SoftVideoEncoderOMXComponent.h
@@ -67,6 +67,8 @@
 
     virtual OMX_ERRORTYPE getExtensionIndex(const char *name, OMX_INDEXTYPE *index);
 
+    OMX_ERRORTYPE validateInputBuffer(const OMX_BUFFERHEADERTYPE *inputBufferHeader);
+
     enum {
         kInputPortIndex = 0,
         kOutputPortIndex = 1,