libavformat/smacker.c:300: error: Buffer Overrun L1
  Offset added: 768 Size: 64.

libavformat/smacker.c:219:1: <Length trace>
217. 
218. 
219. static int smacker_read_packet(AVFormatContext *s, AVPacket *pkt)
     ^
220. {
221.     SmackerContext *smk = s->priv_data;

libavformat/smacker.c:219:1: Parameter `s->priv_data->pal`
217. 
218. 
219. static int smacker_read_packet(AVFormatContext *s, AVPacket *pkt)
     ^
220. {
221.     SmackerContext *smk = s->priv_data;

libavformat/smacker.c:300:9: Array access: Offset added: 768 Size: 64
298.             palchange |= 2;
299.         pkt->data[0] = palchange;
300.         memcpy(pkt->data + 1, smk->pal, 768);
             ^
301.         ret = get_buffer(s->pb, pkt->data + 769, frame_size);
302.         if(ret != frame_size)
