android crash on eglDestroyImageKHR using GraphicBuffer

I'm copying data to the GraphicBuffer using the following code: uint8_t *ptr; sp<GraphicBuffer> gBuffer = new GraphicBuffer(width,height,format,usage); gBuffer->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&ptr)); //Copy Data gBuffer->unlock(); EGLClient clientBuffer = (EGLClientBuffer)gBuffer->getNativeBuffer(); EGLImageKHR img = eglCreateImageKHR(eglGetDisplay(EGL_DEFAULT_DISPLAY), EGL_NO_CONTEXT