libavformat/smacker.c:337: error: Buffer Overrun L1
  Offset added: 768 Size: 64.

libavformat/smacker.c:240:1: <Length trace>
238. 
239. 
240. static int smacker_read_packet(AVFormatContext *s, AVPacket *pkt)
     ^
241. {
242.     SmackerContext *smk = s->priv_data;

libavformat/smacker.c:240:1: Parameter `s->priv_data->pal`
238. 
239. 
240. static int smacker_read_packet(AVFormatContext *s, AVPacket *pkt)
     ^
241. {
242.     SmackerContext *smk = s->priv_data;

libavformat/smacker.c:337:9: Array access: Offset added: 768 Size: 64
335.             palchange |= 2;
336.         pkt->data[0] = palchange;
337.         memcpy(pkt->data + 1, smk->pal, 768);
             ^
338.         ret = avio_read(s->pb, pkt->data + 769, frame_size);
339.         if(ret != frame_size)
