libavcodec/cfhd.c:551: error: Integer Overflow L2
  ([0, +oo] - 9):unsigned32 by call to `bitstream_skip`.

libavcodec/cfhd.c:522:1: Parameter `s->bc.bits_left`
520.     }                                                                   \
521. 
522. static int read_highpass_coeffs(CFHDContext *s, GetByteContext *gb,
     ^
523.                                 int16_t *coeff_data)
524. {

libavcodec/cfhd.c:547:16: Call
545.            s->channel_num, s->level, s->codebook, expected);
546. 
547.     if ((ret = bitstream_init8(&s->bc, gb->buffer,
                    ^
548.                                bytestream2_get_bytes_left(gb))) < 0)
549.         return ret;

libavcodec/bitstream.h:103:1: Parameter `bc->bits_left`
  101. 
  102. /* Initialize BitstreamContext with buffer size in bytes instead of bits. */
  103. static inline int bitstream_init8(BitstreamContext *bc, const uint8_t *buffer,
       ^
  104.                                   unsigned byte_size)
  105. {

libavcodec/cfhd.c:551:9: Call
549.         return ret;
550.     if (!s->codebook) {
551.         DECODE_SUBBAND_COEFFS(table_9_rl_vlc, level == 64)
             ^
552.     } else {
553.         DECODE_SUBBAND_COEFFS(table_18_rl_vlc, level == 255 && run == 2)

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

libavcodec/cfhd.c:551:9: Call
549.         return ret;
550.     if (!s->codebook) {
551.         DECODE_SUBBAND_COEFFS(table_9_rl_vlc, level == 64)
             ^
552.     } else {
553.         DECODE_SUBBAND_COEFFS(table_18_rl_vlc, level == 255 && run == 2)

libavcodec/bitstream.h:240:1: Parameter `n`
  238. 
  239. /* Skip n bits in the buffer. */
  240. static inline void bitstream_skip(BitstreamContext *bc, unsigned n)
       ^
  241. {
  242.     if (n < bc->bits_left)

libavcodec/bitstream.h:243:9: Call
  241. {
  242.     if (n < bc->bits_left)
  243.         skip_remaining(bc, n);
               ^
  244.     else {
  245.         n -= bc->bits_left;

libavcodec/bitstream.h:229:1: <LHS trace>
227. }
228. 
229. static inline void skip_remaining(BitstreamContext *bc, unsigned n)
     ^
230. {
231. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:229:1: Parameter `bc->bits_left`
    227. }
    228. 
    229. static inline void skip_remaining(BitstreamContext *bc, unsigned n)
         ^
    230. {
    231. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:229:1: <RHS trace>
227. }
228. 
229. static inline void skip_remaining(BitstreamContext *bc, unsigned n)
     ^
230. {
231. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:229:1: Parameter `n`
    227. }
    228. 
    229. static inline void skip_remaining(BitstreamContext *bc, unsigned n)
         ^
    230. {
    231. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:236:5: Binary operation: ([0, +oo] - 9):unsigned32 by call to `bitstream_skip` 
    234.     bc->bits <<= n;
    235. #endif
    236.     bc->bits_left -= n;
             ^
    237. }
    238. 
