libavcodec/aacdec.c:2057: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned16 by call to `decode_extension_payload`.

libavcodec/aacdec.c:1994:13: Call
1992. 
1993.     if (show_bits(&gb, 12) == 0xfff) {
1994.         if (parse_adts_frame_header(ac, &gb) < 0) {
                  ^
1995.             av_log(avctx, AV_LOG_ERROR, "Error decoding AAC frame header.\n");
1996.             return -1;

libavcodec/aacdec.c:1939:1: Parameter `(*ac->che[*][*]).*.strlen`
  1937. }
  1938. 
  1939. static int parse_adts_frame_header(AACContext *ac, GetBitContext *gb)
        ^
  1940. {
  1941.     int size;

libavcodec/aacdec.c:2057:28: Call
2055.             }
2056.             while (elem_id > 0)
2057.                 elem_id -= decode_extension_payload(ac, &gb, elem_id, che_prev, elem_type_prev);
                                 ^
2058.             err = 0; /* FIXME */
2059.             break;

libavcodec/aacdec.c:1654:1: Parameter `che->sbr.f_master[*]`
  1652.  * @return Returns number of bytes consumed
  1653.  */
  1654. static int decode_extension_payload(AACContext *ac, GetBitContext *gb, int cnt,
        ^
  1655.                                     ChannelElement *che, enum RawDataBlockType elem_type)
  1656. {

libavcodec/aacdec.c:1681:15: Call
  1679.             ac->m4ac.sbr = 1;
  1680.         }
  1681.         res = ff_decode_sbr_extension(ac, &che->sbr, gb, crc_flag, cnt, elem_type);
                      ^
  1682.         break;
  1683.     case EXT_DYNAMIC_RANGE:

libavcodec/aacsbr.c:1045:1: Parameter `sbr->f_master[*]`
    1043.  * @return  Returns number of bytes consumed from the TYPE_FIL element.
    1044.  */
    1045. int ff_decode_sbr_extension(AACContext *ac, SpectralBandReplication *sbr,
          ^
    1046.                             GetBitContext *gb_host, int crc, int cnt, int id_aac)
    1047. {

libavcodec/aacsbr.c:1074:9: Call
    1072. 
    1073.     if (sbr->reset)
    1074.         sbr_reset(ac, sbr);
                  ^
    1075. 
    1076.     if (sbr->start)

libavcodec/aacsbr.c:1024:1: Parameter `sbr->f_master[*]`
      1022. }
      1023. 
      1024. static void sbr_reset(AACContext *ac, SpectralBandReplication *sbr)
            ^
      1025. {
      1026.     int err;

libavcodec/aacsbr.c:1027:11: Call
      1025. {
      1026.     int err;
      1027.     err = sbr_make_f_master(ac, sbr, &sbr->spectrum_params);
                      ^
      1028.     if (err >= 0)
      1029.         err = sbr_make_f_derived(ac, sbr);

libavcodec/aacsbr.c:304:1: <LHS trace>
302. 
303. /// Master Frequency Band Table (14496-3 sp04 p194)
304. static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr,
     ^
305.                              SpectrumParameters *spectrum)
306. {

libavcodec/aacsbr.c:304:1: Parameter `sbr->f_master[*]`
        302. 
        303. /// Master Frequency Band Table (14496-3 sp04 p194)
        304. static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr,
             ^
        305.                              SpectrumParameters *spectrum)
        306. {

libavcodec/aacsbr.c:395:13: Binary operation: ([0, +oo] - 1):unsigned16 by call to `decode_extension_payload` 
        393.         k2diff = sbr->k[2] - sbr->k[0] - sbr->n_master * dk;
        394.         if (k2diff < 0) {
        395.             sbr->f_master[1]--;
                         ^
        396.             sbr->f_master[2]-= (k2diff < 1);
        397.         } else if (k2diff) {
