libavcodec/ac3dec.c:319: error: Buffer Overrun L3
  Offset: [-1, +oo] Size: 6 by call to `ff_eac3_parse_header`.

libavcodec/ac3dec.c:276:11: Call
274.     int err;
275. 
276.     err = ff_ac3_parse_header(&s->gbc, &hdr);
               ^
277.     if(err)
278.         return err;

libavcodec/ac3_parser.c:37:1: Parameter `hdr->num_blocks`
  35. 
  36. 
  37. int ff_ac3_parse_header(GetBitContext *gbc, AC3HeaderInfo *hdr)
      ^
  38. {
  39.     int frame_size_code;

libavcodec/ac3dec.c:294:5: Assignment
292.     s->center_mix_level             = hdr.center_mix_level;
293.     s->surround_mix_level           = hdr.surround_mix_level;
294.     s->num_blocks                   = hdr.num_blocks;
         ^
295.     s->frame_type                   = hdr.frame_type;
296.     s->substreamid                  = hdr.substreamid;

libavcodec/ac3dec.c:319:16: Call
317.     } else if (CONFIG_EAC3_DECODER) {
318.         s->eac3 = 1;
319.         return ff_eac3_parse_header(s);
                    ^
320.     } else {
321.         av_log(s->avctx, AV_LOG_ERROR, "E-AC-3 support not compiled in\n");

libavcodec/eac3dec.c:206:1: <Offset trace>
204. }
205. 
206. int ff_eac3_parse_header(AC3DecodeContext *s)
     ^
207. {
208.     int i, blk, ch;

libavcodec/eac3dec.c:206:1: Parameter `s->num_blocks`
  204. }
  205. 
  206. int ff_eac3_parse_header(AC3DecodeContext *s)
       ^
  207. {
  208.     int i, blk, ch;

libavcodec/eac3dec.c:206:1: <Length trace>
204. }
205. 
206. int ff_eac3_parse_header(AC3DecodeContext *s)
     ^
207. {
208.     int i, blk, ch;

libavcodec/eac3dec.c:206:1: Parameter `s->cpl_in_use[*]`
  204. }
  205. 
  206. int ff_eac3_parse_header(AC3DecodeContext *s)
       ^
  207. {
  208.     int i, blk, ch;

libavcodec/eac3dec.c:417:38: Array access: Offset: [-1, +oo] Size: 6 by call to `ff_eac3_parse_header` 
  415.                 s->cpl_in_use[blk] = get_bits1(gbc);
  416.             } else {
  417.                 s->cpl_in_use[blk] = s->cpl_in_use[blk-1];
                                            ^
  418.             }
  419.             num_cpl_blocks += s->cpl_in_use[blk];
