libavcodec/wmalosslessdec.c:905: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `decode_cdlms`.

libavcodec/wmalosslessdec.c:900:13: Call
898. 
899.         if (s->do_ac_filter)
900.             decode_ac_filter(s);
                 ^
901. 
902.         if (s->do_mclms)

libavcodec/wmalosslessdec.c:411:27: Call
  409.     int i;
  410.     s->acfilter_order   = bitstream_read(&s->bc, 4) + 1;
  411.     s->acfilter_scaling = bitstream_read(&s->bc, 4);
                                 ^
  412. 
  413.     for (i = 0; i < s->acfilter_order; i++)

libavcodec/bitstream.h:183:1: Parameter `bc->bits_left`
    181. 
    182. /* Return n bits from the buffer. n has to be in the 0-32 range. */
    183. static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)
         ^
    184. {
    185.     if (!n)

libavcodec/wmalosslessdec.c:905:20: Call
903.             decode_mclms(s);
904. 
905.         if ((res = decode_cdlms(s)) < 0)
                        ^
906.             return res;
907.         s->movave_scaling = bitstream_read(&s->bc, 3);

libavcodec/wmalosslessdec.c:440:1: Parameter `s->bc.bits_left`
  438. }
  439. 
  440. static int decode_cdlms(WmallDecodeCtx *s)
       ^
  441. {
  442.     int c, i;

libavcodec/wmalosslessdec.c:443:27: Call
  441. {
  442.     int c, i;
  443.     int cdlms_send_coef = bitstream_read_bit(&s->bc);
                                 ^
  444. 
  445.     for (c = 0; c < s->num_channels; c++) {

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: <LHS trace>
128. }
129. 
130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
     ^
131. {
132. #ifdef BITSTREAM_READER_LE

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

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

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: Binary operation: ([0, +oo] - 1):unsigned32 by call to `decode_cdlms` 
      137.     bc->bits <<= n;
      138. #endif
      139.     bc->bits_left -= n;
               ^
      140. 
      141.     return ret;
