libavcodec/wmavoice.c:1682: error: Integer Overflow L2
  ([0, +oo] - 12):unsigned32 by call to `bitstream_skip`.

libavcodec/wmavoice.c:1680:10: Call
1678.     if (bitstream_bits_left(bc) < 14)
1679.         return 1;
1680.     if (!bitstream_read_bit(bc))
               ^
1681.         return AVERROR(ENOSYS);           // WMAPro-in-WMAVoice superframe
1682.     if (bitstream_read_bit(bc)) bitstream_skip(bc, 12); // number of  samples in superframe

libavcodec/bitstream.h:144:1: Parameter `bc->bits_left`
  142. 
  143. /* Return one bit from the buffer. */
  144. static inline unsigned bitstream_read_bit(BitstreamContext *bc)
       ^
  145. {
  146.     if (!bc->bits_left)

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

libavcodec/bitstream.h:129:1: Parameter `n`
    127. }
    128. 
    129. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
         ^
    130. {
    131. #ifdef BITSTREAM_READER_LE

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

libavcodec/wmavoice.c:1682:9: Call
1680.     if (!bitstream_read_bit(bc))
1681.         return AVERROR(ENOSYS);           // WMAPro-in-WMAVoice superframe
1682.     if (bitstream_read_bit(bc)) bitstream_skip(bc, 12); // number of  samples in superframe
              ^
1683.     if (s->has_residual_lsps) {           // residual LSPs (for all frames)
1684.         if (bitstream_bits_left(bc) < s->sframe_lsp_bitsize)

libavcodec/bitstream.h:144:1: Parameter `bc->bits_left`
  142. 
  143. /* Return one bit from the buffer. */
  144. static inline unsigned bitstream_read_bit(BitstreamContext *bc)
       ^
  145. {
  146.     if (!bc->bits_left)

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

libavcodec/bitstream.h:129:1: Parameter `n`
    127. }
    128. 
    129. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
         ^
    130. {
    131. #ifdef BITSTREAM_READER_LE

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

libavcodec/wmavoice.c:1682:33: Call
1680.     if (!bitstream_read_bit(bc))
1681.         return AVERROR(ENOSYS);           // WMAPro-in-WMAVoice superframe
1682.     if (bitstream_read_bit(bc)) bitstream_skip(bc, 12); // number of  samples in superframe
                                      ^
1683.     if (s->has_residual_lsps) {           // residual LSPs (for all frames)
1684.         if (bitstream_bits_left(bc) < s->sframe_lsp_bitsize)

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] - 12):unsigned32 by call to `bitstream_skip` 
    234.     bc->bits <<= n;
    235. #endif
    236.     bc->bits_left -= n;
             ^
    237. }
    238. 
