libavcodec/h264.c:1164: error: Buffer Overrun L3
  Offset: [-1, +oo] Size: 16 by call to `decode_nal_units`.

libavcodec/h264.c:1140:1: Parameter `h->s.slice_context_count`
1138. }
1139. 
1140. int ff_h264_decode_extradata(H264Context *h)
      ^
1141. {
1142.     AVCodecContext *avctx = h->s.avctx;

libavcodec/h264.c:1164:17: Call
1162.             if (p - avctx->extradata + nalsize > avctx->extradata_size)
1163.                 return -1;
1164.             if (decode_nal_units(h, p, nalsize) < 0) {
                      ^
1165.                 av_log(avctx, AV_LOG_ERROR,
1166.                        "Decoding sps %d from avcC failed\n", i);

libavcodec/h264.c:4088:9: Assignment
  4086.     for (; pass <= 1; pass++) {
  4087.         buf_index     = 0;
  4088.         context_count = 0;
                ^
  4089.         next_avc      = h->is_avc ? 0 : buf_size;
  4090.         nal_index     = 0;

libavcodec/h264.c:4335:17: Call
  4333. 
  4334.             if (context_count == h->max_contexts) {
  4335.                 execute_decode_slices(h, context_count);
                        ^
  4336.                 context_count = 0;
  4337.             }

libavcodec/h264.c:4031:1: <Offset trace>
4029.  * @param context_count number of contexts to execute
4030.  */
4031. static int execute_decode_slices(H264Context *h, int context_count)
      ^
4032. {
4033.     MpegEncContext *const s     = &h->s;

libavcodec/h264.c:4031:1: Parameter `context_count`
    4029.  * @param context_count number of contexts to execute
    4030.  */
    4031. static int execute_decode_slices(H264Context *h, int context_count)
          ^
    4032. {
    4033.     MpegEncContext *const s     = &h->s;

libavcodec/h264.c:4031:1: <Length trace>
4029.  * @param context_count number of contexts to execute
4030.  */
4031. static int execute_decode_slices(H264Context *h, int context_count)
      ^
4032. {
4033.     MpegEncContext *const s     = &h->s;

libavcodec/h264.c:4031:1: Parameter `h->thread_context[*]`
    4029.  * @param context_count number of contexts to execute
    4030.  */
    4031. static int execute_decode_slices(H264Context *h, int context_count)
          ^
    4032. {
    4033.     MpegEncContext *const s     = &h->s;

libavcodec/h264.c:4054:32: Array access: Offset: [-1, +oo] Size: 16 by call to `decode_nal_units` 
    4052. 
    4053.         /* pull back stuff from slices to master context */
    4054.         hx                   = h->thread_context[context_count - 1];
                                         ^
    4055.         s->mb_x              = hx->s.mb_x;
    4056.         s->mb_y              = hx->s.mb_y;
