libavcodec/alac.c:136: error: Integer Overflow L2
  ([1, +oo] - 16):unsigned32 by call to `decode_scalar`.

libavcodec/alac.c:136:26: Call
134.             k = 7 - av_log2(history) + ((history + 16) >> 6);
135.             k = FFMIN(k, alac->rice_limit);
136.             block_size = decode_scalar(&alac->bc, k, 16);
                              ^
137. 
138.             if (block_size > 0) {

libavcodec/alac.c:81:1: Parameter `bps`
  79. } ALACContext;
  80. 
  81. static inline unsigned int decode_scalar(BitstreamContext *bc, int k, int bps)
      ^
  82. {
  83.     unsigned int x = get_unary_0_9(bc);

libavcodec/alac.c:87:13: Call
  85.     if (x > 8) { /* RICE THRESHOLD */
  86.         /* use alternative encoding */
  87.         x = bitstream_read(bc, bps);
                  ^
  88.     } else if (k != 1) {
  89.         int extrabits = bitstream_peek(bc, k);

libavcodec/bitstream.h:183:1: Parameter `n`
    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/bitstream.h:194:12: Call
    192.     }
    193. 
    194.     return get_val(bc, n);
                    ^
    195. }
    196. 

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: ([1, +oo] - 16):unsigned32 by call to `decode_scalar` 
      137.     bc->bits <<= n;
      138. #endif
      139.     bc->bits_left -= n;
               ^
      140. 
      141.     return ret;
