libavcodec/h264.c:1691: error: Buffer Overrun L3
  Offset added: 48 Size: [0, +oo].

libavcodec/h264.c:1671:1: <Length trace>
1669.  * Replicates H264 "master" context to thread contexts.
1670.  */
1671. static void clone_slice(H264Context *dst, H264Context *src)
      ^
1672. {
1673.     memcpy(dst->block_offset,     src->block_offset, sizeof(dst->block_offset));

libavcodec/h264.c:1671:1: Parameter `src->dequant4_coeff[*]`
1669.  * Replicates H264 "master" context to thread contexts.
1670.  */
1671. static void clone_slice(H264Context *dst, H264Context *src)
      ^
1672. {
1673.     memcpy(dst->block_offset,     src->block_offset, sizeof(dst->block_offset));

libavcodec/h264.c:1691:5: Array access: Offset added: 48 Size: [0, +oo]
1689.     memcpy(dst->ref_list,         src->ref_list,         sizeof(dst->ref_list));
1690. 
1691.     memcpy(dst->dequant4_coeff,   src->dequant4_coeff,   sizeof(src->dequant4_coeff));
          ^
1692.     memcpy(dst->dequant8_coeff,   src->dequant8_coeff,   sizeof(src->dequant8_coeff));
1693. }
