libavcodec/aac.c:2041: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned16 by call to `decode_extension_payload`.

libavcodec/aac.c:2017:19: Call
2015. 
2016.         case TYPE_DSE:
2017.             err = skip_data_stream_element(ac, &gb);
                        ^
2018.             break;
2019. 

libavcodec/aac.c:600:1: Parameter `*ac->avccontext`
  598.  * Skip data_stream_element; reference: table 4.10.
  599.  */
  600. static int skip_data_stream_element(AACContext *ac, GetBitContext *gb)
       ^
  601. {
  602.     int byte_align = get_bits1(gb);

libavcodec/aac.c:2041:28: Call
2039.             }
2040.             while (elem_id > 0)
2041.                 elem_id -= decode_extension_payload(ac, &gb, elem_id, che_prev, elem_type_prev);
                                 ^
2042.             err = 0; /* FIXME */
2043.             break;

libavcodec/aac.c:1644:1: Parameter `che->sbr.f_master[*]`
  1642.  * @return Returns number of bytes consumed
  1643.  */
  1644. static int decode_extension_payload(AACContext *ac, GetBitContext *gb, int cnt,
        ^
  1645.                                     ChannelElement *che, enum RawDataBlockType elem_type)
  1646. {

libavcodec/aac.c:1667:15: Call
  1665.             ac->m4ac.sbr = 1;
  1666.         }
  1667.         res = ff_decode_sbr_extension(ac, &che->sbr, gb, crc_flag, cnt, elem_type);
                      ^
  1668.         break;
  1669.     case EXT_DYNAMIC_RANGE:

libavcodec/aacsbr.c:1050:1: Parameter `sbr->f_master[*]`
    1048.  * @return  Returns number of bytes consumed from the TYPE_FIL element.
    1049.  */
    1050. int ff_decode_sbr_extension(AACContext *ac, SpectralBandReplication *sbr,
          ^
    1051.                             GetBitContext *gb_host, int crc, int cnt, int id_aac)
    1052. {

libavcodec/aacsbr.c:1079:9: Call
    1077. 
    1078.     if (sbr->reset)
    1079.         sbr_reset(ac, sbr);
                  ^
    1080. 
    1081.     if (sbr->start)

libavcodec/aacsbr.c:1029:1: Parameter `sbr->f_master[*]`
      1027. }
      1028. 
      1029. static void sbr_reset(AACContext *ac, SpectralBandReplication *sbr)
            ^
      1030. {
      1031.     int err;

libavcodec/aacsbr.c:1032:11: Call
      1030. {
      1031.     int err;
      1032.     err = sbr_make_f_master(ac, sbr, &sbr->spectrum_params);
                      ^
      1033.     if (err >= 0)
      1034.         err = sbr_make_f_derived(ac, sbr);

libavcodec/aacsbr.c:313:1: <LHS trace>
311. 
312. /// Master Frequency Band Table (14496-3 sp04 p194)
313. static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr,
     ^
314.                              SpectrumParameters *spectrum)
315. {

libavcodec/aacsbr.c:313:1: Parameter `sbr->f_master[*]`
        311. 
        312. /// Master Frequency Band Table (14496-3 sp04 p194)
        313. static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr,
             ^
        314.                              SpectrumParameters *spectrum)
        315. {

libavcodec/aacsbr.c:404:13: Binary operation: ([0, +oo] - 1):unsigned16 by call to `decode_extension_payload` 
        402.         k2diff = sbr->k[2] - sbr->k[0] - sbr->n_master * dk;
        403.         if (k2diff < 0) {
        404.             sbr->f_master[1]--;
                         ^
        405.             sbr->f_master[2]-= (k2diff < 1);
        406.         } else if (k2diff) {
