libavcodec/mlp_parser.c:336: error: Integer Overflow L2
  (32 - [0, 64]):unsigned32 by call to `ff_mlp_read_major_sync`.

libavcodec/mlp_parser.c:335:9: Call
333.         MLPHeaderInfo mh;
334. 
335.         bitstream_init(&bc, buf + 4, (buf_size - 4) << 3);
             ^
336.         if (ff_mlp_read_major_sync(avctx, &mh, &bc) < 0)
337.             goto lost_sync;

libavcodec/bitstream.h:85:9: Assignment
  83.         bc->buffer    =
  84.         bc->ptr       = NULL;
  85.         bc->bits_left = 0;
              ^
  86.         return AVERROR_INVALIDDATA;
  87.     }

libavcodec/mlp_parser.c:336:13: Call
334. 
335.         bitstream_init(&bc, buf + 4, (buf_size - 4) << 3);
336.         if (ff_mlp_read_major_sync(avctx, &mh, &bc) < 0)
                 ^
337.             goto lost_sync;
338. 

libavcodec/mlp_parser.c:146:1: Parameter `bc->bits_left`
  144.  */
  145. 
  146. int ff_mlp_read_major_sync(void *log, MLPHeaderInfo *mh, BitstreamContext *bc)
       ^
  147. {
  148.     int ratebits, channel_arrangement, header_size;

libavcodec/mlp_parser.c:165:9: Call
  163.     }
  164. 
  165.     if (bitstream_read(bc, 24) != 0xf8726f) /* Sync words */
               ^
  166.         return AVERROR_INVALIDDATA;
  167. 

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:189:9: Call
    187. 
    188.     if (n > bc->bits_left) {
    189.         refill_32(bc);
                 ^
    190.         if (bc->bits_left < 32)
    191.             bc->bits_left = 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 - [0, 64]):unsigned32 by call to `ff_mlp_read_major_sync` 
      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;
