libavcodec/atrac3plus.c:1719: error: Integer Overflow L2
  (32 - [-2+min(64, `bc->bits_left`), -2+max(65, `bc->bits_left`)]):unsigned32 by call to `bitstream_read_vlc`.

libavcodec/atrac3plus.c:1696:1: Parameter `bc->bits_left`
1694.  * @return result code: 0 = OK, otherwise - error code
1695.  */
1696. static int decode_tones_info(BitstreamContext *bc, Atrac3pChanUnitCtx *ctx,
      ^
1697.                              int num_channels, AVCodecContext *avctx)
1698. {

libavcodec/atrac3plus.c:1706:38: Call
1704.                sizeof(*ctx->channels[ch_num].tones_info) * ATRAC3P_SUBBANDS);
1705. 
1706.     ctx->waves_info->tones_present = bitstream_read_bit(bc);
                                           ^
1707.     if (!ctx->waves_info->tones_present)
1708.         return 0;

libavcodec/bitstream.h:145:1: Parameter `bc->bits_left`
  143. 
  144. /* Return one bit from the buffer. */
  145. static inline unsigned bitstream_read_bit(BitstreamContext *bc)
       ^
  146. {
  147.     if (!bc->bits_left)

libavcodec/bitstream.h:150:12: Call
  148.         refill_64(bc);
  149. 
  150.     return get_val(bc, 1);
                  ^
  151. }
  152. 

libavcodec/bitstream.h:130:1: Parameter `n`
    128. }
    129. 
    130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
         ^
    131. {
    132. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:139:5: Assignment
    137.     bc->bits <<= n;
    138. #endif
    139.     bc->bits_left -= n;
             ^
    140. 
    141.     return ret;

libavcodec/atrac3plus.c:1712:39: Call
1710.     memset(ctx->waves_info->waves, 0, sizeof(ctx->waves_info->waves));
1711. 
1712.     ctx->waves_info->amplitude_mode = bitstream_read_bit(bc);
                                            ^
1713.     if (!ctx->waves_info->amplitude_mode) {
1714.         avpriv_report_missing_feature(avctx, "GHA amplitude mode 0");

libavcodec/bitstream.h:145:1: Parameter `bc->bits_left`
  143. 
  144. /* Return one bit from the buffer. */
  145. static inline unsigned bitstream_read_bit(BitstreamContext *bc)
       ^
  146. {
  147.     if (!bc->bits_left)

libavcodec/bitstream.h:150:12: Call
  148.         refill_64(bc);
  149. 
  150.     return get_val(bc, 1);
                  ^
  151. }
  152. 

libavcodec/bitstream.h:130:1: Parameter `n`
    128. }
    129. 
    130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
         ^
    131. {
    132. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:139:5: Assignment
    137.     bc->bits <<= n;
    138. #endif
    139.     bc->bits_left -= n;
             ^
    140. 
    141.     return ret;

libavcodec/atrac3plus.c:1719:9: Call
1717. 
1718.     ctx->waves_info->num_tone_bands =
1719.         bitstream_read_vlc(bc, tone_vlc_tabs[0].table,
              ^
1720.                            tone_vlc_tabs[0].bits, 1) + 1;
1721. 

libavcodec/bitstream.h:313:1: Parameter `bc->bits_left`
  311.  * If the VLC code is invalid and max_depth > 1, then the number of bits removed
  312.  * is undefined. */
  313. static inline int bitstream_read_vlc(BitstreamContext *bc, VLC_TYPE (*table)[2],
       ^
  314.                                      int bits, int max_depth)
  315. {

libavcodec/bitstream.h:317:20: Call
  315. {
  316.     int nb_bits;
  317.     unsigned idx = bitstream_peek(bc, bits);
                          ^
  318.     int code = table[idx][0];
  319.     int n    = table[idx][1];

libavcodec/bitstream.h:215:1: Parameter `n`
    213. /* Return n bits from the buffer, but do not change the buffer state.
    214.  * n has to be in the 0-32 range. */
    215. static inline unsigned bitstream_peek(BitstreamContext *bc, unsigned n)
         ^
    216. {
    217.     if (n > bc->bits_left)

libavcodec/bitstream.h:218:9: Call
    216. {
    217.     if (n > bc->bits_left)
    218.         refill_32(bc);
                 ^
    219. 
    220.     return show_val(bc, n);

libavcodec/bitstream.h:60:1: <RHS trace>
58. }
59. 
60. static inline void refill_32(BitstreamContext *bc)
    ^
61. {
62.     if (bc->ptr >= bc->buffer_end)

libavcodec/bitstream.h:60:1: Parameter `bc->bits_left`
      58. }
      59. 
      60. static inline void refill_32(BitstreamContext *bc)
          ^
      61. {
      62.     if (bc->ptr >= bc->buffer_end)

libavcodec/bitstream.h:68:5: Binary operation: (32 - [-2+min(64, bc->bits_left), -2+max(65, bc->bits_left)]):unsigned32 by call to `bitstream_read_vlc` 
      66.     bc->bits       = (uint64_t)AV_RL32(bc->ptr) << bc->bits_left | bc->bits;
      67. #else
      68.     bc->bits       = bc->bits | (uint64_t)AV_RB32(bc->ptr) << (32 - bc->bits_left);
              ^
      69. #endif
      70.     bc->ptr       += 4;
